10. CARBURETOR
10-2
TROUBLE SHOOTING
ENGINE CRANKS BUT NOT START
1. No fuel in the fuel tank
2. No fuel in the carburetor
3. Too much fuel in the combustion chamber
4. No spark at the spark plug ( ignition malfunction )
5. Air cleaner clogged
ENGINE IDLE ROUGHLY
1. Idling speed incorrect
2. Ignition malfunction
3. Low compression
4. Rich mixture
5. Lean mixture
6. Air cleaner clogged
7. Air leaking into intake pipe
8. Fuel contaminated
LEAN MIXTURE
1. Carburetor jets clogged
2. Float chamber vent clogged
3. Fuel filter clogged
4. Fuel line restricted
5. Float level too Iow
6. Float valve faulty
RICH MIXTURE
1. Choke stuck closed
2. Float valve faulty
3. Float level too high
SERVICE INFORMATION
GENERAL INSTRUCTIONS
Take cautions when dealing this operation.
Always work in a well-ventilated area and away from
sparks or open flames. When assembling, note the
locations of the jets and place them individually.
SPECIAL TOOL
Float gauge
