06-11-2009, 07:32 AM #1
- Join Date
- Jun 2009
1999 Yamaha 1200xl General Carb Rebuild questions
I am rebuilding the carbs on a 1999 Yamaha 1200xl. I've read it seems countless hours but I have some remaining questions.
1) When purchasing a needle and seat I have seen for sale on some web sites a "standard" needle and seat and then a needle and seat with a "viton" tip. Which is better or are they the same?
2) When reassembling the carb, should any gasket spary/silicone material be used or just installing the gasket dry but ensuring the mating surfaces are clean is good enough?
3) Should any threadlocker (ie, permatex blue) be used on the bolts when reassembling? Is blue too strong or should it be something weaker like loctite threadsealer low-strength 572?
4) I plan on installing Riva flame arrestors and switching over to premix. I have read numerous posts about rebuilders re-jetting their carbs using the 110pilot, 120main, 95gram spring, but some swear by 7/8 turn out on the low speed, and others 1 turn out. Given my application, what do you think? If at all possible, Id like to get it right the first time and not have to tear the ski apart again to make an adjustment later
Thanks for your time
06-11-2009, 09:23 AM #2
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