April 29th, 2012, 04:17 PM | #1 |
ninjette.org member
Name: Zach
Location: Raleigh, NC
Join Date: Sep 2010 Motorcycle(s): 2001 Ninja 250 Posts: 94
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Sloppy fork bushings after disassembly?
I have a question about my 1992 Yamaha Seca, but those Seca forums aren't very responsive from what I've found... plus this is a general fork question anyway.
So I've got a 92 Seca with 8,800 miles, the fork seals were leaking pretty badly, (but no slop from the bushings), so I tore everything down today(new seals in hand). I cleaned everything, and started reassembling the forks. I put the fork into the lower leg, and seated the press-fit outer bushing, and there is a very noticable amount of slop in any lateral direction. The teflon coating looks PERFECT, not a single area shows any wear on either bushing. I know that simply installing the RUBBER fork seals are not going to take up the freeplay, let alone be able to resist movement under braking/accelerating/cornering. What sucks even more, looking at the IPB's from Yamaha, it seems they don't even have a part number for the inner fork bushing that rides on the chrome fork tube. http://www.cheapcycleparts.com/model...237-front-fork Sorry that this isn't a ninjette question, but I feel like I'd get better info in a shorter amount of time.
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"Nicole" - Pirelli Diablo's front and rear, Two Brother's Exhaust, Apex Custom SS lines , 15 T, UNI Air filter, Fiamm El Grande horns, EX500 fork springs, EX250J rear shock, Fender eliminator. |
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April 29th, 2012, 05:40 PM | #2 |
ninjette.org member
Name: George
Location: Ottawa, Canada
Join Date: Jun 2011 Motorcycle(s): EX250, C10 Concours Posts: 109
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peening the outside of the bushings
I've seen articles
http://vmaxoutlaw.com/tech/fork_stiction_tuning.htm where you put the bushing on an unused portion of the fork tube, and bash the outside of the bushing with a centre punch to increase the effective diameter with dimpling. Doesn't cost much and you have them apart already. |
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