Content Source: 2020 GENERAL 1000 Owner’s Manual (9929901 R01) > Troubleshooting Chapter


The Owner's Manual for this vehicle contains warnings, instructions and other information you must read and fully understand before safely riding or performing maintenance on this vehicle.Always follow the warnings and instructions in Owner's Manual.

Click the CONTENTS link above for the Table Of Contents, or download a full PDF of the Owner Manual in the Owner Support area of

Engine Backfires

Possible Cause Solution
Weak spark from spark plug Inspect, clean and/or replace spark plug
Incorrect spark plug gap or heat range Set gap to specs or replace plug
Old or non-recommended fuel Replace with fresh recommended fuel
Incorrectly installed spark plug wires Your authorized dealer can assist
Mechanical failure Your authorized dealer can assist
Loose ignition connections Check all connections and tighten
Water present in fuel Replace with fresh recommended fuel

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