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2003 TRX 90 questions
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Posted by: 3inthedirt

My 12 year old, 65 lbs daughter had some issues when riding in some soft snow - about 2-3 inches deep. I feel she should have had more power. The quad has been piped and jetted with Works shocks on stock a-arms. I'm thinking some minor maintenance and a gearing change can help. I have ordered a 50 tooth rear sprocket and have questions about the below.

How are the valves adjusted and what is the spec? I know the plug has to come out of the crankcase and I have to turn the crank until ------ shows. Please fill in the blank. I know it has to be on the compression stroke. What is the spec on intake and exhaust gaps?

I believe the auto clutch is adjustable. How and what is the spec?

Any of you familiar with this kit? Looks cheap enough if it is relaible.

http://www.dratv.com/tr10bigbokit.html

Thanks