BRIAN95

Hi Dave,
Just came back from the field after flying my Venus 40 with the new YS 63 FZS. The engine worked great ( full, idle and the transition from low to full ) - lots of power even though I am running it very rich.
What is the size of the hex key and open end wrench needed to set the tappets?

Thanks in advance,
Brian

mrhp

My Feedback: (49)

take the valve cover off and look

Dave Shadel

Glad you are having fun.

The jam nut is 5mm, the hex key is 1.5mm. Set the valves at .003"