there is a distributor 5 minutes from my house dave, they have a ton in stock! I was gonna see if they wanted to play lets make a deal cause its winter
I would get another gauge and try that first.
19cc dome at sea level should be around 183 psi. did you put a small base gasket in when you did the top end??
like wes said, check your squish
FAST racing offers a shift shaft mod, and an easy shift spring that helps with the shifting problems. I have also heard of people cutting every other dog off the gear clusters to help them shift better
stock stroke and rod, 65mm banshee piston. Long rod stock stroke uses the 795 series pistons, and the 4mill 68mm bore uses the blaster pistons
http://wiseco.com/PDFs/Catalogs/CB07/YamahaATV.pdf
I buy mine from the local drag strip. and I run it at 32:1 with klotz super technaplate
Most I have seen running vp use the m1. its expensive though! your better off tryin to find somewhere that sells regular meth. I can buy 55gal drum by me for 150 bucks!
I think that vp is 45 for 5 gallons
ran trail studs last year, they did not do to well. I am gonna try some chisel tooth studs. I guess they are the shit! I am gonna try 70 per tire. how many are you running? try dropping a couple teeth on the rear sprocket also