2006 Ptek 800
Trail ported cylinders by Vermont Crank shop
Vforce 3 reeds
SPI 2 ring pistons coming.
Main 440 stock
Pilot = 20 stock was 17.5
Stock ECU mapping
Based on my measurements, squish will be .041 with .5 mm gasket, .045...
Ok gurus I recently picked up a project sled and would like some opinions. The mag piston is burned down and the pto piston had 150 psi. 4800 miles and stock setup. Ptek 800 motor. I know machine was sitting for a couple of years. I was well on my way to put it back together when the guy that I...