CF MOTO CF1000UU, Owner'S Manual

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Vehicle issue Diagnosis
156
Engine backfires
Possible Cause Solution
Weak spark from spark plugs Inspect and replace spark plugs as necessary
Incorrect spark plug gap or heat range Set gap to specs or replace plugs
Old or non-recommended fuel Replace with minimum 89 octane unleaded fuel
Incorrectly installed spark plug wires See your dealer
Incorrect ignition timing See your dealer
Mechanical failure See your dealer
Speed limiter malfunction See your dealer
Engine turns over, Fails to start
Possible Cause Solution
Fouled or defective spark plugs Inspect and replace spark plugs as necessary
Worn or defective spark plug wires See your dealer
Incorrect spark plug gap or heat range Set gap to specs or replace plugs
Loose electrical connections Check all connections and tighten
Water present in fuel Replace with new fuel
Low battery voltage Recharge battery to 12.5 Vdc; Check charging system
Kinked or plugged fuel tank vent line Inspect and replace
Incorrect fuel Replace with 89 minimum octane unleaded fuel
Clogged air filter Inspect and replace as necessary; Replace spark plugs as necessary
Reverse speed limiter malfunction See your dealer
Electronic throttle control malfunction See your dealer