FUEL SYSTEM/CARBURETION
3.15
TROUBLESHOOTING
IDLE TOO LOW
S Choke cable incorrectly adjusted
S Idle speed set incorrectly
S Idle mixture screw misadjusted or damaged
S Belt dragging
S Ignition timing incorrect
S Worn jet needle/needle jet
ERRATIC IDLE
S Choke cable bending or incorrectly adjusted
S Throttle cable incorrectly adjusted
S Air leaks, dirty carburetor passages (pilot circuit)
S Pilot mixture screw damaged or adjusted incorrectly
S Tight valves
S Ignition timing incorrect
S Belt dragging
S Dirty air cleaner
S Engine worn
S Spark plug fouled
S Idle speed set incorrectly (speed limiter)
S Worn jet needle/needle jet
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