1990 Yamaha Big Bear - Rear Drive Shaft Boot

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Has anyone run into this problem before? A 1990 Yamaha 350 Big Bear. Needed to replace swingarm bearings and rubber boot. Bearings done but when we (mechanic neighbour and self) went to replace the rubber boot with the factory issued new one (from Yamaha dealer) it was the wrong size. One end (swingarm end) fits fine but the other (trans side) is considerably larger - no possible fit. Both ends should be approximately same size as the swingarm end.

Dealer says the previous owner likely switched out the rear end; but mechanic says there would be clear evidence of jerry rigging. He thinks possibly Yamaha Canada and Yamaha USA are different. And as poor luck would have it, I threw out the old boot! Visited a few ATV dealers about a rubber boot aprox. same side both ends but no one seems to know what to suggest. Any suggestions? Chris

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more than likely yours is the asian model, straight from japan. usa models are somewhat different. you can go into the yamaha forum here http://www.quadcrazy.com/atvforum/yamaha-atv-forum/11224-yamaha-atv-vin-number-decoder.html and run your vin # number to confirm ....

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Thanks for your response. I'll follow up!

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Just the follow-up outcome. It was the Asian version Oxidized Black. Sent for the part to the U.S. and Powersports forwarded the correct boot. I couldn't get that part in Canada. The U.S. carried the Asian version. Who would have thought? Thanks for your suggestion and it's now in place. Chris