CF MOTO ZFORCE 950 H.O. EX 2024 Guide De L'utilisateur page 186

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Engine Backfires

Possible Cause

Weak spark from spark plugs

Incorrect spark plug gap or heat range

Old or non-recommended fuel

Incorrectly installed spark plug wires

Incorrect ignition timing

Mechanical failure

Speed limiter malfunction

VEHICLE ISSUE DIAGNOSIS

Inspect and replace spark plugs as necessary

Set gap to specs or replace plugs

Replace with minimum 87 octane unleaded fuel

See your dealer