1987 Honda Fourtrax TRX 250X Service Manual, Page 41Get this manual
FUEL SYSTEM
TROUBLESHOOTING
Engin cranks but onstart No fuel in tank No fuel to carburetor Too much fuel getting to cylinder No spark at plug malf unction} Air cleaner clogged Improper pilot screw adjustment
Engine idles roughly, sl alls, Of runs poorly Idle speed incorrect Ignition malfunction Rich mixture Lean mixture Air cleaner dirty Insulator leaks