ORIGINAL: airborne14830
I have an ASP 80 that seem to have lost compression. How do you go about adusting the valves. I have ran about 3/4 of a gallon through it. Before this it ran great.
Download the Magnum four stroke manual from this page
http://www.hobbypeople.net/gallery/210945.asp
Valve adjustment is on the last page. The .80 adjusts just like the .70