Originally posted by mo
Sounds like your low speed needle is set too rich. Try leaning it out about 1/2 turn and richen up the top end a little to help keep the engine temp down if you need to. You may also need to raise the idle speed if the carb is closing too much.
Well, it's an RTR hunk engine, and there isn't a Low speed needle, just high speed.
Idle speed seems ok, doesnt stall, doesnt engage clutch...
I have a new OS .12 CV on the way, so hopefully this engine will be more user friendly...