August 29th, 2021, 06:37 PM | #8401 |
ninjette.org certified postwhore
Name: AKA JacRyann
Location: Mesa, AZ
Join Date: Dec 2011 Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C Posts: A lot.
MOTY - 2018, MOTM - Nov '17
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Finally put finishing touches on pregen-in-boxes I got couple years ago. This one I really like and plan on keeping for while. So taking my time. Only problem thing it needed initially was new tank as original one too rusted to use.
Tank unfortunately, was perforated due to someone using too-long fairing bolt, fairing was badly cracked on other side and seat had holes. So I got seat re-covered, got replacement fairings which had minor cracks that was easily repaired with fibreglass. Finally got around to repairing tank by removing threaded bracket, brazing hole shut and re-attaching bracket with some spot-welds. Then re-painting. Also painted fairing and put stickers on. Ahh... looks complete finally!!! Sharp eyes may notice 300 rearsets for more modern look. Also new-gen sprocket cover to accommodate 16th sprocket. Also installed new-gen rear-end: swingarm, shock/linkage, brake, rear 17" wheel. Last futzed with by DannoXYZ; August 29th, 2021 at 09:39 PM. |
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August 29th, 2021, 07:44 PM | #8402 |
Retired motorcycle Mc.
Name: Robert
Location: Weed, California.
Join Date: Jul 2021 Motorcycle(s): 2012 Kawasaki Ninja 250R, 2021 CSC TT250, 1977 Triumph Bonneville 750cc,2001 Honda XR650L. Posts: A lot.
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WOW Well done Danno ! looks awesome !
Bob...
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August 29th, 2021, 09:45 PM | #8403 |
ninjette.org certified postwhore
Name: AKA JacRyann
Location: Mesa, AZ
Join Date: Dec 2011 Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C Posts: A lot.
MOTY - 2018, MOTM - Nov '17
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thanks Bob! It was quite basket case when I got it:
i think only thing left I want to do is install new-gen front 17" wheel when tyre wears out. |
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August 29th, 2021, 11:07 PM | #8404 |
Retired motorcycle Mc.
Name: Robert
Location: Weed, California.
Join Date: Jul 2021 Motorcycle(s): 2012 Kawasaki Ninja 250R, 2021 CSC TT250, 1977 Triumph Bonneville 750cc,2001 Honda XR650L. Posts: A lot.
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LOL boy seeing boxes filled with parts brings back many memories !
I bought a $50.00 W1 650 Kawasaki many years ago that looked kind'a like that... it was a mess... I got it running about a week later and it was a fantastic bike. the W1 650 was a copy of the BSA in years gone by. it handled like a BSA and was a fantastic ride till a 4x4 pulled out infront of me I was doing about 50mph and hit his front tire dead on my knee dented his fender by the hood and I flew about 30 ft before touching down and then sliding off the road. after that one I said I know what a fly feels like when you swat them with a flyswatter ! it bent the forks badly but I straightened them between the trunk of an oak tree and a comealong ! but the impact broke the cage of one of the main bearings in the bottom end... I finally sold it to my neighbor several years later when it was apparent I was never going to get the money to fix it right. ...I've kicked myself in the tail many times for selling that bike ! but that is how it goes... .... you did a real good job of fixing up that bike ! now put some miles on it and enjoy your many hours of labor !!!! ..... Bob......
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August 30th, 2021, 08:09 AM | #8405 |
ninjette.org certified postwhore
Name: AKA JacRyann
Location: Mesa, AZ
Join Date: Dec 2011 Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C Posts: A lot.
MOTY - 2018, MOTM - Nov '17
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Yeah, it's awesome little commuter! Been using past 2-yrs to commute to S.F. (I work for tech start-up). Really saves on time, 30-35min vs 2.5-hrs by car! It actually gets better gas-mileage than my 2009 new-gen. Can go an entire week per tank vs. 4.5-days.
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August 30th, 2021, 08:21 AM | #8406 | |
ninjette.org guru
Name: Drew
Location: SoCal
Join Date: Jul 2013 Motorcycle(s): 2007 SV650S 2005 EX250F Posts: 487
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Quote:
Yesterday I took my '05 for a rip around the block. It's not perfect yet, I think I still have a little bit of crud to blow out of the carbs but it's getting there bit by bit. Here's my problem: this thing is loud. I don't like loud, and it runs against my goal for this bike which is to fly under the radar. It has a full Yoshi system that I posted for trade in the Marketplace section, anyone have a set of stock pipes they care to trade for these? https://www.ninjette.org/forums/show...57#post1293457
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August 30th, 2021, 08:33 AM | #8407 |
Retired motorcycle Mc.
Name: Robert
Location: Weed, California.
Join Date: Jul 2021 Motorcycle(s): 2012 Kawasaki Ninja 250R, 2021 CSC TT250, 1977 Triumph Bonneville 750cc,2001 Honda XR650L. Posts: A lot.
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Ooooh ! I am tempted ! I have the stock pipes with a added muffler but also the stock muffler... (supposed to be much quiter ) are you interested ? their off a 2012 though dunno but I think they should fit.
Bob........
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August 30th, 2021, 08:44 AM | #8408 | |
ninjette.org guru
Name: Drew
Location: SoCal
Join Date: Jul 2013 Motorcycle(s): 2007 SV650S 2005 EX250F Posts: 487
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Quote:
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August 30th, 2021, 08:54 AM | #8409 |
Retired motorcycle Mc.
Name: Robert
Location: Weed, California.
Join Date: Jul 2021 Motorcycle(s): 2012 Kawasaki Ninja 250R, 2021 CSC TT250, 1977 Triumph Bonneville 750cc,2001 Honda XR650L. Posts: A lot.
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Well, I know Mine is a 2 into 1 so I take it that is not what your looking for !...
ok no problem I would like to get 2 seperate pipes instead of the 2 into 1 simply because the engine would like it better ! LOL... with this aftermarket muffler on it it is kind'a loud and I'm like you I don't like loud ! that is why I insisted on the old muffler she took off when I got the bike so I do have it.... I haven't put it on yet to see how much quiter it is on it but it has got to be an improvement on the noise ! LOL..... later ! Bob..........
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September 2nd, 2021, 12:14 AM | #8410 |
Retired motorcycle Mc.
Name: Robert
Location: Weed, California.
Join Date: Jul 2021 Motorcycle(s): 2012 Kawasaki Ninja 250R, 2021 CSC TT250, 1977 Triumph Bonneville 750cc,2001 Honda XR650L. Posts: A lot.
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I tore into the 2012 250R Ninja again today, took the side fairings off and started trying to figure out the "How to put on" part of the Sliders I got off Amazon.... sense they came with no instructions....
so I tried to follow the guys Post on this forum about putting those exact things on my bike.... however I ran into a snag right off the bat. the 2 piece bolt arangement they sent with the Kit doesn't fit in the recess it is supposed to fit in.... so I was left with 2 options,... either make a entirely new bolt 11" long or cut and piece the old one by adding a steel rod in the middle of it.... ...I opted for making a new bolt, I cut a 11" piece of 1/2" rod and discovered it would not go through the frame bolt holes to hold the engine on with... so I had to reduce it's diameter... no problem I thought I have a lathe ! so I chucked it up in the lathe and put a center in one end and started trimming it down with the tailstock in place holding the far end.... and that's when I discovered my lathe isn't cutting parallel ... fortionately for me it is wider at the tailstock end than at the chuck end so I could just move down about 3" and rtim the next section , and repeat till I have the entire rod to within the size I need.... Then came the "Hunt for the die" delema... I didn't want to single point thread this rod because that's too technical, I just wanted to tap some threads on it and be done... well, that turned out to be a bust because my chepo tap and die set had the markings on the stuff with laser etching or something, and now their completely unreadable ! so I gave up for the day and decided to think on it a while..... my plan was to thread both ends and just put a nut on the ends of the rod...Easy peasy ! but it didn't work out that way.... .... Bob.....
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September 2nd, 2021, 05:32 AM | #8411 | |
Guy Who Enjoys Riding
Name: Jim
Location: North Carolina
Join Date: Jul 2016 Motorcycle(s): Ninja 250 Posts: A lot.
MOTM - Oct '18, Aug '17, Aug '16
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September 2nd, 2021, 01:46 PM | #8412 |
Retired motorcycle Mc.
Name: Robert
Location: Weed, California.
Join Date: Jul 2021 Motorcycle(s): 2012 Kawasaki Ninja 250R, 2021 CSC TT250, 1977 Triumph Bonneville 750cc,2001 Honda XR650L. Posts: A lot.
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Thanks Jim... it does ! I just need to get to it !... the lathe stopped turning last night as well... motor belt was loose... I gott'a spend some time on it and get it back into shape obviously ! LOL....Bob........
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September 3rd, 2021, 01:30 AM | #8413 |
Retired motorcycle Mc.
Name: Robert
Location: Weed, California.
Join Date: Jul 2021 Motorcycle(s): 2012 Kawasaki Ninja 250R, 2021 CSC TT250, 1977 Triumph Bonneville 750cc,2001 Honda XR650L. Posts: A lot.
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I got the Ninja all back together !
I finalized the sliders and trimmed the longer slider so it was closer to being correct ( it's only about 1/8" too long now..) in the proccess I trimmed off the bottom end by 1/4" so the bolt fit completely into the bracket like it should and I was much happier with that! .... so I continued to put it all back together and only have 2 bolts left over ! .... can't figure out where they go either as I've wracked my brain for a month now... I always have 1 extra.... I added another today because it holds nothing anyway so I left it off the bike.... I think that one bolt goes under the headlight but I'm not positive ! .... but it ran fine this way before so I'm happy..... it's good enough for who it's for ! HAHAHAH Bob.......
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September 3rd, 2021, 02:56 PM | #8414 |
ninjette.org newbie
Name: John
Location: Peoples Republic of PA
Join Date: Oct 2020 Motorcycle(s): 99 zrx1100, 03 Zx6r, 14 Ex300 Posts: 5
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Trying to figure out why the bike wants to go when I put in gear. Replaced oem cable, steels and fibers. adjusters have a ton of slack. any ideas?
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September 3rd, 2021, 03:42 PM | #8415 |
Retired motorcycle Mc.
Name: Robert
Location: Weed, California.
Join Date: Jul 2021 Motorcycle(s): 2012 Kawasaki Ninja 250R, 2021 CSC TT250, 1977 Triumph Bonneville 750cc,2001 Honda XR650L. Posts: A lot.
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sounds like re assembly went wrong... that would be my guess... it happens
even by the best of us, just pull it apart and check the exploded diagram when re assembling it again. .... Bob.....
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September 4th, 2021, 06:39 AM | #8416 |
Retired motorcycle Mc.
Name: Robert
Location: Weed, California.
Join Date: Jul 2021 Motorcycle(s): 2012 Kawasaki Ninja 250R, 2021 CSC TT250, 1977 Triumph Bonneville 750cc,2001 Honda XR650L. Posts: A lot.
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I got the Ninja 250R out of the shop this morning ( without letting it fall over)
and it was actually running kind 'a crappy it wasn't quite warm yet so I am hoping when it warms up it will run better... it kind 'a felt like one cylinder was weak again... and I thought I fixed that already..... but I parked it in the back yard and wiped off some of the dust... and admired it several times today ! LOL... the sliders look ok so I guess I have no complaints about them .... dunno How to post a pic so I won't... I thought I figured it out... but why is it sideways ??? LOL.... oh well. Bob........
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Its too late when you've gone too far ! Last futzed with by Bob KellyIII; September 6th, 2021 at 05:48 AM. Reason: straightened the picture ! |
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September 4th, 2021, 12:14 PM | #8417 |
ninjette.org certified postwhore
Name: AKA JacRyann
Location: Mesa, AZ
Join Date: Dec 2011 Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C Posts: A lot.
MOTY - 2018, MOTM - Nov '17
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That's annoying about iPhones from 2017. They don't actually rotate picture when you turn phone. But stores phone's rotation in "orientation bit" attribute in metadata. Then display apps are supposed to examine this metadata and rotate images accordingly. I always do minor cropping afterwards and make sure to rotate 4x to reset orientation bit so it displays correctly.
Nice valve-stem caps!! |
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September 4th, 2021, 12:16 PM | #8418 |
Guy Who Enjoys Riding
Name: Jim
Location: North Carolina
Join Date: Jul 2016 Motorcycle(s): Ninja 250 Posts: A lot.
MOTM - Oct '18, Aug '17, Aug '16
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Bob, are you sure the bar-end sliders are sharp enough?
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September 4th, 2021, 02:27 PM | #8419 |
Retired motorcycle Mc.
Name: Robert
Location: Weed, California.
Join Date: Jul 2021 Motorcycle(s): 2012 Kawasaki Ninja 250R, 2021 CSC TT250, 1977 Triumph Bonneville 750cc,2001 Honda XR650L. Posts: A lot.
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LOL... those bar end doohickies are so when I fall they will skewer me easier than rip a hole with out sharp handle bar ends....
I have no idea why the owner put those on there ! ... I've had handle bars try to poke a hole in my leg and middle before but be that as it may.... they look Kool ! lol... the valve cap covers are strange, I snicker when I see them.... the Right fairing attachment point by the headlight is giving me grief... it has only one screw and that didn't want to suck it down tight for some reason... Hate to think I have to pull the fairing off again just to see why it's not mating up flush.... it did last time ! .. Aurgh ! .... my lowering Kit just got here this morning... so I'll take the ninja back into the shop and see if I can put those things on..... ...another No instructions deal, but I can hardly screw it UP !... theirs's just 4 pieces.. to replace the metal dog bones under the bike...... and their GREEN too....hahahahha .... Bob....
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September 4th, 2021, 02:37 PM | #8420 |
Retired motorcycle Mc.
Name: Robert
Location: Weed, California.
Join Date: Jul 2021 Motorcycle(s): 2012 Kawasaki Ninja 250R, 2021 CSC TT250, 1977 Triumph Bonneville 750cc,2001 Honda XR650L. Posts: A lot.
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And Thanks Danno for fixing that picture... I'll keep that in mind and rotate all my pictures to re-set that orientation bit... easy cure ! thanks !
those little "Hand grenades" valve cap covers are actually very high quality so I left them on there ! HAHAHAHA ! .... Bob....
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September 6th, 2021, 05:25 AM | #8421 |
Retired motorcycle Mc.
Name: Robert
Location: Weed, California.
Join Date: Jul 2021 Motorcycle(s): 2012 Kawasaki Ninja 250R, 2021 CSC TT250, 1977 Triumph Bonneville 750cc,2001 Honda XR650L. Posts: A lot.
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I took the Lowered Ninja out for a quick spin this afternoon.... got about 3 miles from the house and remembered I forgot to grab my wallet... so I turned around and cut my ride short.... I did hit a bad bump bad enough to make the tire touch the inner fender well
in the rear.... that's not good !... but it was a big hanging bump ! there is a section on that road they do not maintain and it's bad gravel pot holes and bumps all over and you just can't miss all of them theirs so many ! even going slow it's bad ! .... but that was the only time it touched... I could hear it rub.... and I parked it and checked to make sure I didn't hurt anything... but the bike cleaned up and ran real crisp but I was going to raise it a little bit... but after thinking about it I don't think I will it's at the verge of being too tall now so I'ed rather not raise it any.... I'll just miss those bumps from now on Right ? HAHAHA! Bob........
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September 6th, 2021, 10:49 AM | #8422 |
ninjette.org guru
Name: Drew
Location: SoCal
Join Date: Jul 2013 Motorcycle(s): 2007 SV650S 2005 EX250F Posts: 487
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what r/r to upgrade to??
Bob, could you just stiffen the preload a click in the back to minimize the chance of rubbing? Worth a shot...
So I took the '05 for a test run up Palomar today with a buddy of mine. This was the first time out on the open road and it was very informative. I rode 15 minutes down to his place and waited for him at the gas station. Saddled up and hit the starter: dead battery. I brought tools and a charger so plugged it in, got coffee, ate one of the muffins my wife made yesterday and by that time it fired right up. We made it through the canyons, up the mountain, it did great but I could tell it wasn't producing tons of voltage. I kept the rpms between 8-11k pretty much the whole time so I wouldn't get too low of a charge. I made it home (total trip was probably 3hrs) and it's sitting on charge now. Once it's fully charged I will diagnose what I assume will be a bad oem regulator. So here is my question: does everybody go with the mosfet style on these still? Ghostt in the ninjawiki mentions a FH010 model r/r but I see that has been replaced with the FH020AA unit for sale on ebay here. Is this the one I should buy? I've done this job before but it has been several years. I used to own '90s Hondas and I'm all too familiar with the bad r/r's; I just want to make sure this is the right upgrade for our lil ninjettes. Otherwise, the bike was an absolute blast! I couldn't go full HAM with it as the front springs and rear shock are really limiting my abilities but it will get there. It is so much more fun riding a slow bike fast!
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September 6th, 2021, 12:02 PM | #8423 |
ninjette.org certified postwhore
Name: AKA JacRyann
Location: Mesa, AZ
Join Date: Dec 2011 Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C Posts: A lot.
MOTY - 2018, MOTM - Nov '17
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FH020AA is shunt circuit like original and runs stator at 100% full-time
SH775 is newer series circuit and only draws power from stator as needed to power headlights and ignition (just 20-25% of max). On many bikes that have problems with fried stators (Ducati, Aprilia, etc.), series RR saves having to replace stator every 3-4yrs. For racer like me, it's even more important for power-sapping it saves. Good for another 1-2mph top-speed! Better MPG on street bikes too. You can tell difference by touching it right after ride. Factory & FH020 will burn you! SH775 is cool to touch right after ride. Gonna install one in my VFR soon before OEM unit takes dump... Used to be able to get same part as Polaris OEM #4012941 for dirt-cheap, $35 or so. But now many in aftermarket have caught on to this trick RR and have been buying it up. Grrr... Can get ready-to-install kits here: http://ricksmotorsportelectrics.com/...-regulator.php https://roadstercycle.com/ |
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September 6th, 2021, 01:27 PM | #8424 | |
ninjette.org guru
Name: Drew
Location: SoCal
Join Date: Jul 2013 Motorcycle(s): 2007 SV650S 2005 EX250F Posts: 487
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Quote:
I have never had the experience of needing to replace a stator every 3-4 years, and I thought the mosfet r/r was a good option for stator and overall charging system health. Of course, I would love to hear if new information has come to light, but from those sites you listed it looks like I should be ordering a FH020AA... please correct me if I'm wrong.
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September 6th, 2021, 01:41 PM | #8425 |
Guy Who Enjoys Riding
Name: Jim
Location: North Carolina
Join Date: Jul 2016 Motorcycle(s): Ninja 250 Posts: A lot.
MOTM - Oct '18, Aug '17, Aug '16
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You can read the pros and cons of a series (pass) regulator vs. a shunt regulator from various sources on the web. It sounds bad to have a shunt regulator shorting the alternator's output to ground, but it's a permanent magnet alternator. When its output is shorted to ground, very little power is actually produced, since power = Volts x Amps and volts is near zero at that time. Since it's a PM alternator, the output current is limited even when shorted.
I manufacture electronics for the old Kawasaki triples, and one of my products is a shunt regulator. I have a test rig that has a variable speed motor driving an H2 alternator. Way back when I started I found that when the alternator output is shorted, it's very easy to drive with the motor, and doesn't get hot. My regulators are a switching type that either shorts the output to ground or lets it all through, switched at a high speed so the output is smooth. Danno is right that the regulator itself gets somewhat warm because of the voltage drops in the diodes in it, but it's designed to handle that. I actually use big Schottky diodes that only drop about 0.4 volts in this application, compared to the 3/4 volt or so that a silicon diode drops. It's interesting that some racers who don't need 12VDC on their bikes actually permanently short the alternator output to effectively take it out of the system and reduce engine power loss without having to modify the alternator. |
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September 6th, 2021, 02:07 PM | #8426 | |
Retired motorcycle Mc.
Name: Robert
Location: Weed, California.
Join Date: Jul 2021 Motorcycle(s): 2012 Kawasaki Ninja 250R, 2021 CSC TT250, 1977 Triumph Bonneville 750cc,2001 Honda XR650L. Posts: A lot.
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Quote:
great Idea ! I thought of that last night as well.... "great minds run in the same track!" LOL...... i might give it a shot if it becomes a problem... thanks ! Bob.......
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September 6th, 2021, 04:20 PM | #8427 | |
ninjette.org certified postwhore
Name: AKA JacRyann
Location: Mesa, AZ
Join Date: Dec 2011 Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C Posts: A lot.
MOTY - 2018, MOTM - Nov '17
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Quote:
Kinda like newsprint paper vs. types of articles written on it. You can have white or yellow newspaper with English or French articles for 4 possible combinations. 1. SCR-shunt 2. MOSFET-shunt 3. SCR-series 4. MOSFET-series Our bikes don't have any issues with stator or RR really. The ones with more critical issues adopted MOSFET-shunt style over 15-yrs ago. Now they've moved onto series as even better alternative about 5-yrs ago. There's some misconceptions that 1st started on Aprilia forums while back that I'm doing instrumented testing to clarify. Might be ready in couple months. Looking for dual-channel current datalogger, but may just do it manually. |
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September 6th, 2021, 04:30 PM | #8428 | |
ninjette.org certified postwhore
Name: AKA JacRyann
Location: Mesa, AZ
Join Date: Dec 2011 Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C Posts: A lot.
MOTY - 2018, MOTM - Nov '17
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Quote:
This can be verified easily via temp-probes on stator-cover. 1. Regardless of load, stator is full-temp regardless if bike is idling or driving 300w lights. 2. However, RR is hotter at idle (dumping 250w to ground) and cooler when driving 300w lights (dumping 0w). Also notice that shunt-circuit RR uses linear-regulator that divides voltage, not current. |
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September 6th, 2021, 04:50 PM | #8429 | ||
Guy Who Enjoys Riding
Name: Jim
Location: North Carolina
Join Date: Jul 2016 Motorcycle(s): Ninja 250 Posts: A lot.
MOTM - Oct '18, Aug '17, Aug '16
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That stator above is burned in only one area, as if one coil had a shorted turn, got hot and failed, and heated up the nearby coils to some extent. |
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September 6th, 2021, 05:26 PM | #8430 | |
ninjette.org certified postwhore
Name: AKA JacRyann
Location: Mesa, AZ
Join Date: Dec 2011 Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C Posts: A lot.
MOTY - 2018, MOTM - Nov '17
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September 6th, 2021, 05:35 PM | #8431 |
Guy Who Enjoys Riding
Name: Jim
Location: North Carolina
Join Date: Jul 2016 Motorcycle(s): Ninja 250 Posts: A lot.
MOTM - Oct '18, Aug '17, Aug '16
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It's probably the age-old design with three diodes and an SCR in a bridge, and the SCR is triggered by a zener so it shorts half-waves at a time as needed. That should behave a lot like mine, with current either fully shorted or fully allowed through as needed. I have not tested that type as much as the ones I build though.
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September 6th, 2021, 05:38 PM | #8432 |
ninjette.org guru
Name: Drew
Location: SoCal
Join Date: Jul 2013 Motorcycle(s): 2007 SV650S 2005 EX250F Posts: 487
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Crap, all this sounds like I need to drop $180 on a r/r when I really need to spend that money on suspension. I'd rather just carry my charger
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September 7th, 2021, 10:00 AM | #8433 | |
ninjette.org guru
Name: Drew
Location: SoCal
Join Date: Jul 2013 Motorcycle(s): 2007 SV650S 2005 EX250F Posts: 487
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September 7th, 2021, 12:57 PM | #8434 |
ninjette.org certified postwhore
Name: AKA JacRyann
Location: Mesa, AZ
Join Date: Dec 2011 Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C Posts: A lot.
MOTY - 2018, MOTM - Nov '17
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Misconception is it's rev-limited. There's no RPM signal going to RR, so they have no idea what revs are. Real limitation is AC voltage that needs to be rectified and SH775 is limited to about 65 VAC or so. Stator-output rises with RPM (~15v @ idle to 60-100 VAC @ redline). Other unit can go up to 85-110 VAC. But is also time-dependent on how much you're out of range as well. Unless you're at redline all time, I wouldn't worry about it.
Easy way to test is measure AC output on pair of yellow-wires coming out of stator. Then rev engine up to range you'll use most. I've had SH775 on my race-bike for 5-years now without any issues at 13500 rpm redline. I got Polaris RR out of junkyard for $20. Wiring-kit from Eastern Beaver for $20 or so. Here's video on how to identify genuine Shindengen RR: https://youtu.be/TYxtCC330Xg Problems are bigger with shunt-type circuits since they have to pass through a lot of current. Clones/copies of these will fail often due to load. I haven't heard as much problems with clones/copies of series units as this circuit runs much, much cooler. I'm working on buck/boost switching regulator, should be even more efficient than series RR with flatter adjustable regulation. Kinda combo best of both worlds when using Y or W stator windings. How have you tested and confirmed you've got RR issues? |
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September 7th, 2021, 02:04 PM | #8435 |
ninjette.org guru
Name: Drew
Location: SoCal
Join Date: Jul 2013 Motorcycle(s): 2007 SV650S 2005 EX250F Posts: 487
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I hope to confirm the r/r is the culprit tonight after work. All I've done so far is confirm that my voltage doesn't get over 12.4v regardless of the rpm, so I suspect r/r failure. I still need to check the unit between the diodes, I just didn't get a chance yesterday. I'm pretty confident in the battery, which would just leave the stator if the r/r actually does check out tonight.
We will see.
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September 8th, 2021, 10:44 AM | #8436 |
ninjette.org certified postwhore
Name: AKA JacRyann
Location: Mesa, AZ
Join Date: Dec 2011 Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C Posts: A lot.
MOTY - 2018, MOTM - Nov '17
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also verify AC output at stator yellow wires. If AC output low, RR can’t make power out of nothing. Also measure continuity of stators to ground to make sure they’re not fried.
I may have extra RR I can send you, might be fore new-gen though |
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September 8th, 2021, 11:19 AM | #8437 |
ninjette.org certified postwhore
Name: Kerry
Location: Ventura, CA
Join Date: Jan 2016 Motorcycle(s): Ninja650 Posts: A lot.
MOTM - Apr '18, Apr '17, Apr '16
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Danno, bike looks great! I love that you took the basket-case and got her back into running condition.
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1 out of 1 members found this post helpful. |
September 8th, 2021, 11:25 AM | #8438 |
ninjette.org guru
Name: Drew
Location: SoCal
Join Date: Jul 2013 Motorcycle(s): 2007 SV650S 2005 EX250F Posts: 487
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Good looking out Danno, will do. I had to take care of my wife's car last night so garage-time didn't allow for checking out the lil 250. Fortunately Singh2jz had an extra r/r he's chucking in the box of mufflers so I will have a spare oem piece to try out in the time being. If it charges the battery I will just hook up a volt gauge so I can monitor what's happening, then upgrade the system when it eventually fails again.
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September 8th, 2021, 12:56 PM | #8439 |
ninjette.org certified postwhore
Name: AKA JacRyann
Location: Mesa, AZ
Join Date: Dec 2011 Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C Posts: A lot.
MOTY - 2018, MOTM - Nov '17
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Also check yellow three wire connectors for stator. Common source of corrosion and burning due to full-power going through it full-time. There are connector kits for replacing connector, but they use exact same bare brass un-sealed connector as stock, so is temporary fix. Replacement will eventually corrode, overheat and burn through just like original.
Typical permanent solution is cut off connector and solder wires straight across. Tied with western-union/linesman splice, soldered and adhesive shrink-wrap of course. Last futzed with by DannoXYZ; September 9th, 2021 at 12:26 AM. |
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September 16th, 2021, 04:37 PM | #8440 |
ninjette.org guru
Name: Drew
Location: SoCal
Join Date: Jul 2013 Motorcycle(s): 2007 SV650S 2005 EX250F Posts: 487
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I checked this out a week or so ago; wiring all looked good but the r/r unit itself tested bad. I used rmstator's youtube channel as a go-by and I had OL on everything , I made sure my multimeter was working too. Oh well, Singh2jz is hooking me up with a spare r/r he had sitting around. I'll run that till I feel like dropping cash on the upgrade. This is a second bike for now so it's not getting a lot of new parts thrown at it all at once.
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