Fuel
Troubleshooting
Engine Won't Start
Too m uch fuel getting to the engine
- Air cleaner clogged
- Flooded carbu retor
Intake air leak
Fuel contam i nated/deteriorated
No fuel to carbu retor
- Fuel stra i ner clogged
- Fuel tube clogged
- Fuel valve stuck
- Float level misadjusted
- Fuel tank breather tube clogged
Lean Mixture
•
Fuel jets clogged
•
Float va lve fau lty
•
Float level too low
•
Fuel line restricted
•
Carbu retor air vent tube clogged
•
Intake air leak
•
Th rottle valve fa u lty
•
Vacuum piston fau lty
•
Cal ifornia Type Only: Evaporative em ission carbu re
tor air vent control valve fau lty
Rich Mixture
•
Starting en richment va lve i n ON position
•
Float valve fau lty
•
Float level too high
•
Ai r jets clogged
•
Air cleaner contaminated
•
Flooded carbu retor
Engine Stall, Hard To Start, Rough Idling
•
Fuel l i ne restricted
•
Ignition malfunction
•
Fuel m ixtu re too lean/rich
•
Fuel contaminated/deteriorated
•
Intake a i r leak
•
Idle speed misadjusted
•
Float level misadjusted
•
Fuel tank breather tube clogged
•
Pi lot screw misadjusted
•
Slow circuit or starting enrichment circuit clogged
•
E mission control system malfunction (California Type
On ly)
- Evaporative emission carbu retor a i r vent control
valve fau lty
- Evaporative emission purge control valve fau lty
- Loose, disconnected or deteriorated hoses of the
em ission control system
5-2
Afterburn When Engine Braking is Used
•
Lean m ixtu re in slow circuit
•
Ai r cut-off va lve ma lfu nction
•
E m ission control system ma lfu nction (Cal ifornia Type
Only)
.
- Pu lse secondary air su pply system fa u lty
- Loose, d isconnected or deteriorated hoses of the
em ission control system
Backfiring Or Misfiring During Acceleration
•
Ignition system fau lty
•
Fuel mixture too lean
Poor Performance (Driveability) And Poor Fuel Economy
•
Fuel system clogged
•
Ignition ma lfu nction
_
•
Em ission control system ma lfu nction (Cal ifornia Type
On ly)
- Loose, disconnected or deteriorated hoses of the
emission control t!YStem
Summary of Contents for Magna VF750C
Page 1: ...1994 2003 MAGNA VF750C CD HONDA MOTOR CO LTD 1994 ...
Page 2: ......
Page 7: ...MEMO ...
Page 47: ...MEMO ...
Page 65: ...Fuel System Carburetor Removal Installation 5 4 ...
Page 67: ...Fuel System Carburetor Separation 1 5 26 5 6 ...
Page 69: ...Fuel System Carburetor DisassemblyIAssembly 23 1 2 1 5 1 4 0 ring gasket 5 8 ...
Page 71: ...Fuel System Carburetor Combination 27 D D No 1 CARBURETOR 25 0 RING COTIER PIN 5 5 1 0 ...
Page 81: ...Cooling System System Flow Pattern 1 SIPHON TUBE 5 THERMOSTAT 2 RESERVE TANK 3 WATE PUMP 6 2 ...
Page 87: ...MEMO ...
Page 109: ...MEMO ...
Page 113: ...Clutch System Clutch Removal 9 4 3 1 3 1 2 1 0 l a TooL I page 9 9 8 7 ...
Page 115: ...Clutch System Clutch Installation 1 0 0 9 6 ...
Page 121: ...Gearshift Linkage Gearshift Linkage Removal Installation 8 SHIFTER PLATE ASSEMBLY 1 1 0 4 ...
Page 123: ...MEMO ...
Page 125: ...Crankshaft Piston Transmission Crankcase Separation 6 5 1 1 2 ...
Page 131: ...Crankshaft Piston Transmission Transmission Removal Installation 1 1 1 8 ...
Page 143: ...MEMO ...
Page 145: ...Front Wheel Suspension Steering Handlebar Removal Installation 1 c2 3 2 3 1 7 1 1 0 1 5 1 2 2 ...
Page 189: ...MEMO ...
Page 223: ...MEMO ...
Page 227: ...MEMO ...
Page 243: ...Appendix A Part Numbers 23 10 Carburetor Assembly ...
Page 283: ...Appendix A Part Numbers 23 50 Speedometer Tachometer ...
Page 297: ...MEMO ...
Page 305: ... 1 ...