1985-1987 Honda TRX 250 Fourtrax 250 Service Manual, Page 39Get this manual
FUEL SYSTEM
TROUBLESHOOT ING
Engine cranks butstart No fuel in tank No fuel to carburetor Too much fuel getting cylinder No spark at plug (ignition malfunction) Air cleaner clogged
Engine idles roughly, st alls, or runs poorl Idle speed incorrect Ignition malfunction Rich mixture Lean mixture Air cleaner dirty Insulator leaks