My Yamaha wr 250 starts well but when hot just konks out, the carb has bee cleaned the head skimed, new head gasket ect, could it be the stater plate ? does any one think they might know the answer ? Tony
Motorcycles - Yamaha - WR 250 F - 2003 Yamaha WR 250 F
Answers & Comments
My man, tony, dudeski, im a yamaha mechanic in idaho. your problem my friend is a valve adjustment. your valves are loose enough when cold to run with some compression but when warmed up they become to tight...therefore not enough compression to fire. easy fix too.