Originally Posted by craftsmanracer
Thanks for the advice! I was scared that I would have to deal with full blown surgery, and disassembling the rotary valve system, wich I am sure needs special tools to do.
So I just take the cylinder off, pour some kerosene in the motor, and turn it back upside-down?
Back in the day, it was normal to remove the head after each race to check the condition of the top of the piston and change it before he hole got too big. Many of us who also rode 2 strokes on the street did the same every other month.