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 FUEL
TROUBLESHOOTING
CAUSE
REMEDY
4. Weak or broken spring
4. Check fuel pump pressure. If low, install new spring.
5. Worn plunger or bore rocker pin or link
5. Replace parts as necessary.
Pump Noise
Pump Noise
1. Fuel pump loose on mounting
1. Tighten mounting screws.
2. Worn plunger assembly
2. Replace parts as necessary.
3. Broken or weak plunger spring
3. Replace plunger spring and plung er, if necessary.
Excessive Pump Pressure
1. Diaphragm improperly installed
1. Loosen body-to-cover screws, and press rocker tight as
possible against the spring, then tighten the screws.
2. Wrong diaphragm spring or fuel pump
2. Replace spring or pump, if necessary.
SPECIFICATION LISTING
Carburetor:
Float Level
1-1/2 In.
Jet Numbers
Discharge Jet
80
Accelerator Jet
10
Well Vent
32
Main Jet
21
Fuel Pump Pressure
3 - 4-1/2 PSI
Idle Jet
16
Fuel Pump Flow
3 - 4-1/2 PSI
in 1 minute
Venturi
21
at 600 RPM
B-54
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