February 20th, 2013, 03:06 PM | #81 | |
n00b with the b00bs
Name: Jen
Location: Southern California
Join Date: Jan 2013 Motorcycle(s): 2007 EX250, 2008 EX250, 2001 ZR-7S, 2010 ZX-6R Posts: 470
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Quote:
Ok, I still have the pre-gen riser, it's just the bar that's bent to hell. Will the newer bar fit in the old riser? Are the clutch perches interchangeable? |
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February 20th, 2013, 05:53 PM | #82 |
CPT Falcon
Name: J.Emmett Turner
Location: Newnan, GA
Join Date: Apr 2009 Motorcycle(s): '08 CP Blue EX250J, '97 unpainted EX250F, 2nd '97 unpainted EX250F (no engine), '07 black EX250F Posts: A lot.
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The clutch perches have different pins but they should swap as long as you also swap pins/levers (levers may swap; not sure). The newer bars are one piece with the riser and base. Bar ends are identical though.
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February 22nd, 2013, 09:04 AM | #83 | |
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Name: matt
Location: Norfolk, VA
Join Date: Nov 2012 Motorcycle(s): 2009 Ninjette 250R Posts: 80
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Quote:
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I cant wheelie and that makes me sad. |
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February 22nd, 2013, 09:24 AM | #84 | |
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Quote:
The result is the bike feels a little more planted through turns and doesn't just give when you sit on it. It's a slightly better shock for the bike. It will make you notice how bad the front end is as well. The preload adjustment gives you a little more ability to tune for weight/riding style as well. I would rather have some control over damping as well, but it's better than nothing. Don't forget when the tail doesn't sag as much, the angle of the forks with the ground is more aggressive, so you'll notice a little quicker turn-in as well. Warning: changing the shock will make you realize how poor the stock front end is. Once you do one end of the suspension, you'll want to do the other. |
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February 22nd, 2013, 11:24 AM | #85 |
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Name: matt
Location: Norfolk, VA
Join Date: Nov 2012 Motorcycle(s): 2009 Ninjette 250R Posts: 80
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Awesome! Thanks for the info. I can get a shock easy, now I just need to figure out how to work on my front
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February 23rd, 2013, 06:55 AM | #86 | |
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Name: matt
Location: Norfolk, VA
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Quote:
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I cant wheelie and that makes me sad. |
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February 23rd, 2013, 07:57 AM | #87 |
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You'll have to get the triples, a new way of using the speedo, the 08-12 front wheel...
I really was thinking change the fork springs and fork oil and preload... but if you want to swap the whole front end, go for it. |
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February 23rd, 2013, 08:19 AM | #88 |
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Name: matt
Location: Norfolk, VA
Join Date: Nov 2012 Motorcycle(s): 2009 Ninjette 250R Posts: 80
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I can't find a complete front end for cheap, I was just trying to get something simple like how I'm getting there rear shock from an 08 to put on mine.
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I cant wheelie and that makes me sad. |
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February 23rd, 2013, 08:36 AM | #89 |
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It very simple to swap springs.
Take off the caps. Pull out the springs. Measure the length of the stock spring + Stock spacer. Measure the length of the new springs. Make a spacer out of 3/4" PVC to compensate for any difference in length. Drop in new springs + the PVC spacer. Done. That's easier than swapping the whole front end. Plus then you don't have to deal with swapping over an entire front end. |
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February 23rd, 2013, 08:43 AM | #90 |
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Name: matt
Location: Norfolk, VA
Join Date: Nov 2012 Motorcycle(s): 2009 Ninjette 250R Posts: 80
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Sweetness. Modding on a budget. Thanks
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February 23rd, 2013, 09:50 AM | #91 |
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Yepp. That's my motto with suspension for a street bike.
What's your weight? Use the spring rate calculator here to calculate your ideal spring rate:http://racetech.com/ProductSearch/2/...250R/1986-2007 If you're a lightweight, ex500 springs are 0.585 kg/mm and are pretty close to the suggested spring rate for someone who's 135 lbs. Suggested for me is 0.626 kg/mm, but 0.585 feels darn good. If you're not a featherweight like me , your options are either find springs from racetech that match the spring rate they suggest, or you can hunt around and research spring rates from other bikes and use those OEM parts instead. Using springs from other bikes will likely be cheaper (think Ebay) but I'm not sure. If you up the spring rate a lot, consider changing to slightly thicker fluid as well to control the rebound damping a bit. That's also really easy. Measure oil level, drain oil, replace with same amount of new oil. |
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February 23rd, 2013, 10:04 AM | #92 |
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Name: matt
Location: Norfolk, VA
Join Date: Nov 2012 Motorcycle(s): 2009 Ninjette 250R Posts: 80
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"FRONT FORK SPRINGS
Recommended Fork Spring Rate: 0.68 kg/mm" I'm approx 145lb
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February 26th, 2013, 05:14 PM | #93 |
ninjette.org member
Name: Robert
Location: Roanoke, Va
Join Date: Feb 2013 Motorcycle(s): 2002 EX250 Posts: 15
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where did you get the parts to convert to the 17" wheels
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February 26th, 2013, 05:24 PM | #94 |
yes, I'm famous.
Name: matt
Location: Norfolk, VA
Join Date: Nov 2012 Motorcycle(s): 2009 Ninjette 250R Posts: 80
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I didn't. I'm installing a new gen rear shock and wanted new gen front springs to match so I'll have balanced stiffness in front and back.
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February 26th, 2013, 05:50 PM | #95 |
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What's the spring rate on the J series fork springs? If they're close to the recommended rate for you, that should work fine. You want springs that are close to the recommended spring rate for your weight.
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February 26th, 2013, 06:33 PM | #96 |
ninjette.org member
Name: Robert
Location: Roanoke, Va
Join Date: Feb 2013 Motorcycle(s): 2002 EX250 Posts: 15
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sorry buddy that was a miss hap on my part i was looking in the earlyer section where the the fela had the parts to put the 17" tires on a pregen i was wondering how i could get my hands on those parts to do the same to mine i also have been looking into doing the front and rear springs to my bike cause its quite squishie
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February 26th, 2013, 08:12 PM | #97 |
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Name: matt
Location: Norfolk, VA
Join Date: Nov 2012 Motorcycle(s): 2009 Ninjette 250R Posts: 80
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No idea actually, I tried searching for that info but the internet didn't help out much. But I never had much problem with my front end to speak of, it's always been my rear; whoever had the bike before me wise the hell it if the shock. So I was considering a cheap and useful upgrade. One I put my rear on I'll see how the front is, if anything, it will not need to be messed with at all like you mentioned.
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I cant wheelie and that makes me sad. |
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February 26th, 2013, 10:32 PM | #98 | |
CPT Falcon
Name: J.Emmett Turner
Location: Newnan, GA
Join Date: Apr 2009 Motorcycle(s): '08 CP Blue EX250J, '97 unpainted EX250F, 2nd '97 unpainted EX250F (no engine), '07 black EX250F Posts: A lot.
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February 27th, 2013, 12:57 AM | #99 |
ninjette.org member
Name: Bryan
Location: St. Louis
Join Date: Feb 2013 Motorcycle(s): '06 GSXR 1K, '03 YZ450F, 95 EX250 Posts: 40
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Good info.
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February 27th, 2013, 05:52 PM | #100 | |
ninjette.org member
Name: Robert
Location: Roanoke, Va
Join Date: Feb 2013 Motorcycle(s): 2002 EX250 Posts: 15
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Quote:
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March 9th, 2013, 12:53 PM | #101 | |
ninjette.org member
Name: Kevin
Location: NYC
Join Date: Oct 2012 Motorcycle(s): 1997 Kawasaki EX 250, 1997 HD Road King, 1980 HD Sportster Posts: 14
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Quote:
If you're not a featherweight like me , your options are either find springs from racetech that match the spring rate they suggest, or you can hunt around and research spring rates from other bikes and use those OEM parts instead. Using springs from other bikes will likely be cheaper (think Ebay) but I'm not sure. Sonic Springs has better prices than Racetech http://www.sonicsprings.com/catalog/...613659093b5d0a |
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March 10th, 2013, 01:19 PM | #102 |
ninjette.org dude
Name: 1 guess :-)
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/moving this to its own thread
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March 15th, 2013, 07:56 PM | #103 |
ninjette.org sage
Name: Karl
Location: MA
Join Date: Jun 2012 Motorcycle(s): 2000 Kwak Ninja 250 and 1998 Yamaha YZ400F Posts: 534
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What about ignition coil and spark plug wires/leads? I think mine are bad on my pre-gen and don't want to shell out for new parts and would feel better buying a used part from a 2008-2012 bike instead of a 13 year old machine like mine.
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March 15th, 2013, 08:01 PM | #104 | |
ninjette.org member
Name: Kevin
Location: NYC
Join Date: Oct 2012 Motorcycle(s): 1997 Kawasaki EX 250, 1997 HD Road King, 1980 HD Sportster Posts: 14
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Quote:
They wont work, the plug leads are different. I'm not sure about the coils themselves though. |
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May 27th, 2014, 09:51 AM | #105 |
ninjette.org newbie
Name: Richie
Location: Tampa, FL
Join Date: May 2014 Motorcycle(s): 1997 ninja ex250 , 2012 ninja 250R Posts: 2
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I have been a lurker on this forum for a LONG time and have always enjoyed soaking up the endless wealth of knowledge that is Ninjette.org. But, i have come across an issue that needs addressing before i continue with my project and decided it was time to register.
Here's the deal: I have a 2012 ninja motor with only 5,000 miles on it, has a huge hole in the right-side case. Known-good, though. My 97 motor (roughly 18,000 miles) has a top-end noise that i have tried remedy with a cam chain cleaning and valve adjustment but to no avail. My question is this: If they interchange, would it be easier to swap the head from the 2012 motor to the 97 motor or should i just split and swap the cases to the 2012 motor and run with that? This is also, of course, in inquiry as to whether or not either of these tasks is possible, as i have swapped complete pre-gen motors into J models and vice versa(just requires the chopping of the stator plugs and a quick soldering) but am unsure of the interchangeability of the cases or head,top end,etc. they look the same, but looks can turn out to be deceiving once you get on the inside. thanks in advance for any insight on this. |
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May 29th, 2014, 10:46 AM | #106 |
ninjette.org newbie
Name: Richie
Location: Tampa, FL
Join Date: May 2014 Motorcycle(s): 1997 ninja ex250 , 2012 ninja 250R Posts: 2
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I guess that was a pretty technical question. Didnt really expect a response, but a guy can dream right?!
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May 30th, 2014, 01:20 AM | #107 |
Phoenix Salvage
Name: Mac
Location: AR
Join Date: May 2014 Motorcycle(s): 2007 Ninja 250R Posts: 71
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While it may not be terribly helpful at the moment, I too have been contemplating the full front fork/wheel/brake and rear swaps from an 09 into my 07. I have all of the parts from the 09 sitting around, more or less ready to go, but figured I'd go ahead and swap in a new sprocket set/chain while I'm taking everything apart.
Once I get those together (and maybe a diablo rosso II for the rear, if my wallet can bear) and can find some time, I'd be more than happy to document everything if there is interest |
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July 15th, 2014, 09:42 AM | #108 |
ninjette.org newbie
Name: James
Location: Indianapolis
Join Date: Jul 2014 Motorcycle(s): FJR, EX250, ZX6r Posts: 1
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Anyone who's done the 17" wheel swap have info about the speedo?
I have an pre-gen with the 17" wheel kit from Jeff. Converting the bike back to street use and need a working speedo. |
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July 15th, 2014, 12:33 PM | #109 |
CPT Falcon
Name: J.Emmett Turner
Location: Newnan, GA
Join Date: Apr 2009 Motorcycle(s): '08 CP Blue EX250J, '97 unpainted EX250F, 2nd '97 unpainted EX250F (no engine), '07 black EX250F Posts: A lot.
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September 4th, 2014, 10:52 AM | #110 |
Motorcycle bon vivant...
Name: Rassie
Location: Cary, NC
Join Date: Jun 2011 Motorcycle(s): 300 Ninja, 250R Ninja, SV650S, CB350, GT750, Aprilia RS250, Triumph Street Triple R Posts: 101
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Anyone know if a 2008 to 2012 motor will fit in a pre-gen frame. I have access to a 2002 with a blown motor and I was offered a 2012 motor with less than 1000 miles.
To Clarify, I am sure it can be done, that is not what I am asking. I am asking if anyone here has done it already and if it is a straight fit or do you require modifications.
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September 4th, 2014, 02:18 PM | #111 | |
CPT Falcon
Name: J.Emmett Turner
Location: Newnan, GA
Join Date: Apr 2009 Motorcycle(s): '08 CP Blue EX250J, '97 unpainted EX250F, 2nd '97 unpainted EX250F (no engine), '07 black EX250F Posts: A lot.
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September 30th, 2014, 12:22 PM | #112 | |
World Class Ninja
Name: Rusty
Location: West Chester PA
Join Date: Sep 2014 Motorcycle(s): 2002 Ninja 250, 96 VFR750, 79 Yamaha XS1100 Special Posts: 224
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Quote:
Personally I think it would be easier to swap the top ends I know alot of the internal components are interchangeable pistons piston rings (ok well that is really all that I know but I would think that you could just swap the cam shafts and maybe the timing chain and be done. I haven't dug that deep into my engine yet so all speculation. |
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September 30th, 2014, 12:24 PM | #113 |
World Class Ninja
Name: Rusty
Location: West Chester PA
Join Date: Sep 2014 Motorcycle(s): 2002 Ninja 250, 96 VFR750, 79 Yamaha XS1100 Special Posts: 224
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on that note has anyone swapped levers for the new gen on to the pre gen? I am probably just going to buy and try it and if it doesn't work will send them back but i figured I would ask because I'm getting conflicting answers in my search
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October 1st, 2014, 08:22 PM | #114 |
CPT Falcon
Name: J.Emmett Turner
Location: Newnan, GA
Join Date: Apr 2009 Motorcycle(s): '08 CP Blue EX250J, '97 unpainted EX250F, 2nd '97 unpainted EX250F (no engine), '07 black EX250F Posts: A lot.
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I've got newgen levers on a pregen but they came perch and all.
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January 3rd, 2015, 08:32 AM | #115 |
ninjette.org guru
Name: Miguel
Location: MA
Join Date: Jan 2015 Motorcycle(s): 2000 EX-250; several other years of the same Posts: 470
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I have a 2000 and have swapped in the 2008+
Kush drive stock rear shock I have ordered the swing arm caps and front sprocket cover, and will update when verified. *edit 08 JAN 2015* I see that another person has confirmed that the swing arm caps work - https://www.ninjette.org/forums/showthread.php?t=208975 *edit 10 JAN 2015* I installed the 2008+ sprocket cover today. It fits well. I'm not sure it is a 100% fit, but at least 95%. The top bolt, closest to the frame wanted to pull the top in a bit too much. When I have time, and better light, I'll inspect closer. But, as a direct bolt on - as-is, I say it is fine. Last futzed with by spent_too_much; January 10th, 2015 at 03:19 PM. Reason: adding pic |
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January 3rd, 2015, 09:27 AM | #116 |
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I believe I've seen both done somewhere on the site here.
Looks like the newgen oil screen fits. Any benefit? Aside from the replaceable aspect if you crossthread/strip the pregen drain bolt, does the newgen one hold more oil volume orrrr...? I have an external stand and no center stand, so draining oil while on the side stand isn't really a benefit or problem either way for me. Something I'll consider if it would be helpful, I'll ignore if it's not helpful. http://faq.ninja250.org/wiki/Changin...ver/drain_plug The only thing I might use off this is the metal gasket vs the paper one because those are also interchangeable |
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January 3rd, 2015, 11:56 AM | #117 |
Motorcycle bon vivant...
Name: Rassie
Location: Cary, NC
Join Date: Jun 2011 Motorcycle(s): 300 Ninja, 250R Ninja, SV650S, CB350, GT750, Aprilia RS250, Triumph Street Triple R Posts: 101
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Thanks appreciate the info, will definitely come in handy when I finish my current 300 Ninja vintage cafe racer project.
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March 16th, 2015, 07:35 AM | #118 |
ninjette.org member
Name: Thom
Location: Virginia
Join Date: Dec 2014 Motorcycle(s): 2013 zx6r and 1995 250r Posts: 69
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So maybe I missed it but does the +08 front end line up and work for the pregen or 96 250?
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March 26th, 2015, 06:00 PM | #119 |
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Yes. Same size stem bearings.
Triple, stem, forks, front brake, handlebars, front wheel. It's a direct swap. |
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April 6th, 2015, 08:06 PM | #120 |
ninjette.org member
Name: William
Location: Houston
Join Date: Feb 2015 Motorcycle(s): Ninja EX250F Posts: 110
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Just for clarification, A few others and I have found out that the new gen fork spring should fit in the pregen forks. I will confirm once they arrive and I do my fork seals and intiminators
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