September 26th, 2012, 09:28 PM | #1 |
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Planning a NewGen swingarm conversion
What all do I need? I did a bit of searching, but the info was kind of scattered about.
So far I figured I'd need: Swingarm Caliper Bracket andddddddd that's about all I've gathered. Do I need a new master cylinder for the rear? Do I need new bolts for the sprocket? New sprocket? Bolts that mount the wheel to the swing arm? Brake rotor? Does the pregen exhaust mount up correctly? Idk if passenger footpegs are affected? Steer me in the right direction here, and you'll see a really awesome bike come out of it.
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September 27th, 2012, 11:07 AM | #2 |
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I'm assuming all of these?
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September 27th, 2012, 11:12 AM | #3 |
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Your intent is go put a newgen wheel on?
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September 27th, 2012, 11:12 AM | #4 |
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Which of those parts can I use from my pre-gen parts is what I guess I should ask at this point.
New gen wheel + aesthetics
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September 27th, 2012, 11:14 AM | #5 |
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September 27th, 2012, 11:14 AM | #6 |
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If it's for aesthetics, it might look a little silly to do the back end but not the front end. The front could use some work anyways.
Plus, if you have matching 17" rims, you can use uber sticky awesome tires |
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September 27th, 2012, 11:22 AM | #7 |
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September 27th, 2012, 11:56 AM | #8 |
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Yes, I know I can grind my current one; I don't want to go that route.
I will eventually do the front as well, the back is just being planned first. The parts that I'm wondering if I can swap are all the really tiny parts, which those threads don't discuss.
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September 27th, 2012, 11:59 AM | #9 |
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look down to post 19 in that thread. There's no grinding required. Just transplant the entire front end and the entire back end off of a newgen and it bolts right up to the pregen.
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September 27th, 2012, 12:03 PM | #10 |
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I'm wondering pretty much from the chain adjuster back, referencing that hardware, if it will swap over from the pre gen, or if I will need to get newgen parts for that.
33032 is swappable, which makes me thinking that maybe 42036 is as well?
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September 27th, 2012, 12:04 PM | #11 | |
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Quote:
Based on the diagram I posted, which of those parts can I use from my current pregen, and which parts will I need to source from a newgen? That is literally all I need to know. I have found all the parts on Ebay and ron ayers, in the cheapest combination possible, but want to know if I can save any money by reusing some pregen hardware. Also, can I use the pregen wheel on the newgen swingarm while I'm waiting for my newgen wheel? I have an EX500 shock on right now, so hopefully that would bolt right up to the newgen arm?
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September 27th, 2012, 12:21 PM | #12 |
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Ok, after a little more research, everything will swap over except the following parts:
33040 Outer Chain Adjuster (2) 330040A Inner Chain Adjuster (2) 11012 Chain Adjuster Cap (2) 92171A Brake Hose Clamp Washers: 92022 x2 92015A x2 92015 x2 Extra screw needed for the Brake Hose Clamp: 92151A Extra nut needed for the BHC: 92210 Should probably replace the oil seals: 92049 x2 Obviously will need 33001; the swingarm. Comes out to about $175 - $200, without the back wheel or tire.
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September 28th, 2012, 08:42 AM | #13 |
time is running out....
Name: jesse
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here is what you need. i jus went through this. trying to use every -07 part i could use.
http://www.ninjette.org/forums/showthread.php?t=114229 you have to HAVE to have the 08 swingarm..duh 08 caliper bracket. calipers are the same as it seems. 08 tensioners and wheel spacers. 08 axle bolt. the pregen is short by 3" and the 2 bolts that bolt the dogbones to the swingarm are now jus 1 long bolt. go to the hardware store and buy a bolt or buy online used or whatever. i went tot he hardware store $2 use teh same caliper, brake line. master cylnder etc. same hub and chain and sprockets. my wheel came with the rotor so idk about that if its the same fit but its desinged with fancy petals.
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September 28th, 2012, 09:22 AM | #14 |
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Thanks man! Do you know the part numbers for the axle bolt, dogbone bolt, and the wheels spacers?
I got the swingarm, tensioners, and caliper bracket.
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September 28th, 2012, 09:51 AM | #15 |
time is running out....
Name: jesse
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i dont have part #s. and i looked on kawasaki website for parts and they say some parts have same part # but they are obviouly way diff in size,shape, diameter on things.
i bought stuff on ebay. type in "08 ninja 250 axle bolt, and spring bolt" i ended up getting an axle bolt with tensioners/spacers and those black outer thigns. i do have extra tensoiners for an 08 swingarm if interested. pm me if you need them
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April 17th, 2013, 06:50 PM | #16 |
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Name: paul
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newgen swingarm on pregen?
Hi all. Does anyone on here know if a newgen ninja250 swingarm will fit a pregen?. Got a rear wheel from a ex500 cheap(Came with like new tyre) but if wont fit in my pregen swingarm. Got front wheel from zzr 250 with new am26 roadrider that was cheep as well. Hope u can answer my question as I would love to get the old girl back on the road. 70's kid (Paul)
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April 17th, 2013, 07:24 PM | #17 |
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/merged with similar thread
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April 17th, 2013, 08:33 PM | #18 |
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Oh man here we go again lol.
Yes the newgen swingarm should fit the pregen with no modification. You need to get a few things extra like the brake caliper bracket and some other things I can't remember. These are the threads you should read for more info: http://www.ninjette.org/forums/showthread.php?t=114229 and http://www.ninjette.org/forums/showthread.php?t=91825 let me know if you have any questions after that.
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April 17th, 2013, 08:56 PM | #19 |
ninjette.org newbie
Name: paul
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Thanks guys, Will be defo doing this conversion. Think it's going to look well mean with the new parts added, Not only that it means I can now fit my skidmarks newgen hugger. 70's kid (paul)
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April 17th, 2013, 09:46 PM | #20 |
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Do you need a swing arm?
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May 26th, 2014, 06:45 PM | #21 | |
CPT Falcon
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Quote:
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February 5th, 2022, 10:23 AM | #22 |
ninjette.org member
Name: Radim
Location: Seattle
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Wheel swap
Hi, does anybody know if I can use pregen rear wheel on newgen swingarm?
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February 5th, 2022, 05:57 PM | #23 |
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Yes and no. Wheel can fit with custom spacers.
But have to use new-gen brake with new-gen swingarm. Pre-gen wheel & rotor won't fit new-gen rear brake. |
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February 5th, 2022, 07:03 PM | #24 |
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I read if I use 08 caliper bracket then my 07 caliper fit?! Also what kind of custom spacer are we talking about?
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February 7th, 2022, 10:22 AM | #25 |
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Be careful of what you read out there because a lot of people just regurgitate incorrect or outright wrong info from others' posts who haven't actually done the work or even touched actual parts in question with their own hands.
Pre-gen wheel goes into swingarm that is 13mm narrower. To fit pre-gen wheel into wider new-gen swingarm, you have to make axle-spacers that's 6.5mm wider than before. Left-side spacer's easy to make. Problem is adding 6.5mm to outside of caliper-bracket on right side. It will no longer engage with tab on swingarm. Caliper will just swing around and around when you try to use rear brake. You can cut off tab on swingarm and weld on wider one to engage new position of caliper mount. Easier to just weld on bracket for front of torque-arm and use entire brake-assembly from pre-gen on new-gen swingarm. Will also match 10mm larger rotor on pre-gen wheel. Last futzed with by DannoXYZ; February 7th, 2022 at 11:24 AM. |
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February 7th, 2022, 01:08 PM | #26 |
ninjette.org member
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Thx Danno for your input.
One more question. I know you did the conversion so you did rear only or front too? Can I just convert the rear to 17 and leave the front 16? Would that be stupid? |
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February 7th, 2022, 08:55 PM | #27 |
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First, I had done complete rear-end conversion bought from fellow racer using:
- new-gen swingarm - new-gen brake caliper+hose+pedal (all still connected) - new-gen brake bracket - new-gen shock & linkage - new-gen 17" wheel + axle + spacers - Ninja 300 rear-sets Everything bolted together perfectly with no need to cut or weld anything. Rode it this way for over a year while I mulled over what to do on front-end. Also wanted to wear out front-tyre. Decided I didn't want to swap fork+wheel from new-gen. That's because new-gen fork-clamps have 5mm less offset to yield same trail with steeper 26-degree rake. Transplanting new-gen front-end on slacker pre-gen 27-degree rake would end up with more trail than either stock bike and result in lazier steering-response. So in end, I used only 17" new-gen wheel and kept all original parts from pre-gen. Just needed to weld on tiny extension to reposition front brake to work with new-gen's larger brake rotor. Used this guide: https://www.ninjette.org/forums/showthread.php?t=266182 When I have some time, I'll make new pre-gen caliper mount like this one that's no longer available. It repositions pre-gen front brake to work on new-gen's larger brake rotor. Last futzed with by DannoXYZ; February 7th, 2022 at 11:30 PM. |
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February 8th, 2022, 09:26 AM | #28 |
ninjette.org member
Name: Radim
Location: Seattle
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Hi, thx again.
First of all, if you make the front brake bracket I will buy it from you. Question for you. How were the riding experience on 17 back and 16 front? I'm asking because I don't mind changing back to 17 But I have a brand new front fork made to custom to my weight. (AND FEELS GREAT) Pretty much like your situation. So if you have one extra front bracket that would work for me. Almost forget the Ninja 300 rear-sets is a direct fit? Can wait to hear from you and thank you again! Last futzed with by Yamastorm; February 8th, 2022 at 09:04 PM. |
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May 21st, 2024, 04:49 AM | #29 |
ninjette.org guru
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I am currently swapping a complete 2009 swing arm set up to my 1995. I will add comparison photos as I can.
The swing arm mounting widths are the same (see pics). I measured the inner diameter of the mounting bolt hole, and they are equal (as such, you can use the pre-gen swing arm mounting bolt - same part # 33032-1134). Update: I did a bolt on session, with a spare pre-gen frame that I have... TLDR; purchase the entire new-gen shock & swing arm - with all the fixings, a new-gen wheel with sprocket carrier (I think that you can use the pre-gen sprocket carrier, but have not verified), and an entire rear brake & rear set set up. It all just bolts on. The only modification is to shorten the hose to the brake reservoir.
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... can't stop updating the bike! Last futzed with by spent_too_much; May 22nd, 2024 at 09:53 AM. |
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May 21st, 2024, 01:24 PM | #30 |
ninjette.org guru
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Test Fitting it all
Comparisons, with pictures. Please forgive my photography. I worked alone, with limited lighting, and an older cell phone camera...
You cannot use the pre-gen rear brake caliper, as only one hole lines up for mounting, and the bleeder is not at the highest point, which means you cannot properly bleed the system. I did not have the original dog bones for the new-gen, but am led to believe that the closest lower hole to the upper is equal to factory spacing. There were two options for the new-gen "knuckle" - a solid one, and a later, open design. I used the later version for installation. I tried two mounting situations: A) using the pre-gen dog bones and "knuckle" - needs a longer top bolt (see pics), but should be fine. B) using the new-gen adjustable dog bones (set to "factory" height) and "knuckle" There was about a 3/8" difference in swing arm height - shorter with the new-gen setup; taller with the pre-gen setup. (I did not have a tape measure handy, so I used what I could to determine if there was a difference. It isn't exact, but puts us in the ball park.) There is a difference in the thickness of the wheel spacer (sprocket side); disc side is the same. And, as previously stated within this thread, the pre-gen axle bolt is too short.
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... can't stop updating the bike! Last futzed with by spent_too_much; May 24th, 2024 at 04:12 AM. |
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May 24th, 2024, 03:47 AM | #31 |
ninjette.org guru
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Swap Completed
I executed the swap. It all just bolted up. I did confirm that the sprocket carrier is the same part, and interchangeable. My only modification, was to cut 2.75 inches from the brake reservoir hose. Now, there is a 150 rear tire filling the tail!
Notice the "OSHA approved" support system, for the tail... I needed to remove both mufflers, as they were in the way, for removing bolts. I also installed a matching rear set for the shifter side. I am now awaiting rear brake pads, so that I can try it out.
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May 24th, 2024, 05:49 PM | #32 |
ninjette.org member
Name: Radim
Location: Seattle
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Swap Completed
Hi, I love it. Can you please make a list of reusing pregen parts and a list of parts u get from newgen so I know what to order? Another question rear is 17inch wheel? Front pregen 16inch?
Last futzed with by Yamastorm; May 24th, 2024 at 08:03 PM. |
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May 25th, 2024, 04:47 AM | #33 | |
ninjette.org guru
Name: Miguel
Location: MA
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Quote:
DannoXYZ, a few posts up, provides a detailed list of parts. Yes, at the moment, I have the New-gen 17" rear wheel, coupled with the stock front set up.
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