Honda VT750C2 Shadow Spirit Service Manual page 103

FUELSVSTEM
TOOLS
Carburetor float level gauge Pilot screw wrench Pilot screw elbow guide
07401-0010000 07KMA-MS60102 07PMA-MZ20110
or 07MMA-MT3010B (U.S.A. only)
or 07PMA-MZ2011A (U.S.A. only)
TROUBLESHOOTING
Engine cranks but won't start
• No fuel in tank
• No fuel to carburetor
- Clogged fuel strainer
- Clogged fuel line
- Clogged fuel tank breather hose
• Too much fuel getting to the engine
- Clogged air cleaner
- Flooded carburetor
• Intake air leak
• Contaminated/deteriorated fuel
• Clogged SE valve circuit
• Improper SE valve operation
• Improper throttle operation
• No spark at plug (faulty ignition
s~stem
- page 19-5)
lean mixture
• Clogged fuel jets
• Faulty float valve
• Float level too low
• Restricted fuel line
• Clogged carburetor air vent hose
• Restricted fuel tank breather hose
• Intake air leak
• Faulty vacuum piston
• Faulty EVAP control system (California type only)
- Faulty EVAP CAV control valve
- Clogged hose ofthe EVAP CAV system
Rich mixture
• SE valve open (ON)
• Clogged air jets
• Faulty float valve
• Float level too high
• Dirty air cleaner
• Worn jet needle or needle jet
• Faulty vacuum piston
• Faulty EVAP control system (California type only)
- Faulty EVAP purge control valve
- Clogged hose of the EVAP purge system
6-4.