CONTENTS
MOTION
ENGINE PERFORMANCE

ENGINE MISSES AT HIGH SPEED

CONDITION(S)

• ENGINE MISSES (STALLS OR STUMBLES) AT HIGH SPEED

POTENTIAL CAUSE(S)

CHECK THESE FIRST:

1. DIRTY OR IMPROPERLY GAPPED SPARK PLUGS
Clean or replace spark plugs.

2. CLOGGED FUEL FILTER
Replace fuel filter.

3. INCORRECT IGNITION TIMING
Have ignition timing professionally adjusted.

4. WORN DISTRIBUTOR CAP OR ROTOR; PERHAPS ACCOMPANIED BY BACKFIRING OR POPPING NOISE FROM CARBURETOR
Replace distributor cap or rotor.

5. FAULTY CONDENSER OR BREAKER POINTS
Have condenser or breaker points professionally replaced.

6. CLOGGED AIR CLEANER FILTER
Replace air cleaner filter.

7. CLOGGED CARBURETOR MAIN METERING JETS
Clean carburetor jets.

CHECK THESE NEXT:

CHECK THESE LAST:

CONTENTS
LOSS OF ENGINE POWER
ENGINE STUMBLES ON ACCELERATION