1988-1994 Honda TRX300 Fourtrax, 1988, 1990-1994 TRX300FW Fourtrax Service Manual, Page 53Get this manual
FUEL SYSTEM
TORQUE VALUES
Fuel valve lock nut 28 Nom (2.8 kg-m, 20 ft-Ib) Insulator band screw Nom (0.4 kg-m, 2.9 ft-Ib) Carburetor cover screw 3.5 Nom (0.35 kg-m, 2.5 ft-Ib) Starting enrichment (SE) valve nut (After '93:) 2.5 Nom (0.25 kg-m, 1.8 ft-Ib)
Common Float level gauge
07401-0010000
TROUBLESHOOTI NG
Engine cranks but won't start No fuel to carburetor Engine flooded with fuel No spark at plug (ignition system faulty) Clogged air cleaner Intake air leak Improper choke operation Improper throttle operation Engine idles roughly, runs poorly or stalls Improper choke operation Ignition malfunction Fuel contaminated Intake air leak Incorrect idle speed Incorrect pilot screw adjustment Low cylinder compression Starting enrichment (SE) valve stuck open Damaged starting enrichment (SE) valve seat Rich mixture Lean mixture Clogged carburetor Misfiring during acceleration Ignition system faulty Lean mixture Afterburn during deceleration Ignition system faulty Lean mixture Poor performance (driveability) and poor fuel economy Fuel system clogged Ignition system faulty Air cleaner clogged Afterfiring Ignition malfunction Carburetor malfunction Lean mixture Rich mixture Lean mixture Clogged fuel jets Faulty float valve Float level too low Blocked fuel fill cap vent hole Clogged fuel strainer screen Restricted fuel line Clogged air vent tube Intake air leak Vacuum piston stuck closed Rich mixture Clogged air cleaner Worn jet needle or needle jet Faulty float valve Float level too high By-starter valve stuck open Damaged starting enrichment (SE) valve seat Clogged air jet Incorrect fast idle speed Incorrect choke cable free play Starting enrichment (SE) valve stuck or damaged