Ezra's reading comprehension test
"I understand that David rebuilds them with different of gears from later models so this shouldn't happen again, but exactly which combination, he wont say, for obvious reasons."
What did i write?
"Yamaha worked on this problem over the years but only with the 1st 660 3YF models did they make a wider gear that was also fitted to 4PT 600s."
David Lambeth is a very good suggestion. He has had 100s of bike to perfect the best solution possible while i've had 3.
And refresher on Yamaha part numbers; xxx 17151 xx is a 5th gear pinion, on any bike. 5Y1 17151 xx was 1st used on XT550 coded 5Y1.
Susequent years saw 1VJ, 3AJ ......1999-2001 3YF. An execption... 2JT, where did that come from?
Here is what i did:
www.horizonsunlimited.com › hubb › xt600-5th-gear-wear-solution-80123
ps: prefix 2JT 5th gear pairs are still advertised on line. Not as good as Mr Lambeth's, but just bolt in. Must fit as pair, tooth counts changed.
best.
p
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