ENGINE
3.78
TROUBLESHOOTING
Engine Turns Over But Fails to Start
S No fuel
S Dirt in fuel line or filter
S Fuel will not pass through fuel valve
S Fuel pump inoperative/restricted
S Tank vent plugged
S Carb starter circuit
S Engine flooded
S Low compression (high cylinder leakage)
S No spark (Spark plug fouled)
Engine Does Not Turn Over
S Dead battery
S Starter motor does not turn
S Engine seized, rusted, or mechanical failure
Engine Runs But Will Not Idle
S Restricted carburetor pilot system
S Carburetor misadjusted
S Choke not adjusted properly
S Low compression
S Crankcase breather restricted
Engine Idles But Will Not Rev Up
S Spark plug fouled/weak spark
S Broken throttle cable
S Obstruction in air intake
S Air box removed (reinstall all intake components)
S Incorrect or restricted carburetor jetting
S ETC switch limiting speed
S Reverse speed limiter limiting speed
S Carburetor vacuum slide sticking/diaphragm damaged
S Incorrect ignition timing
S Restricted exhaust system
Engine Has Low Power
S Spark plug fouled
S Cylinder, piston, ring, or valve wear or damage (check compression)
S PVT not operating properly
S Restricted exhaust muffler
S Carburetor vacuum slide sticking/diaphragm damaged
S Dirty carburetor
Piston Failure - Scoring
S Lack of lubrication
S Dirt entering engine through cracks in air filter or ducts
S Engine oil dirty or contaminated
To Next Page
Loading...
