Content Source: 2021 Slingshot Owner’s Manual (9939930 R02) > Troubleshooting Chapter

IMPORTANT

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.

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Engine Cranks But Will Not Start

Possible Cause Possible Remedy/Action
Low Fuel Verify fuel level
Fuel pump inoperative Press the engine start/stop button. The fuel pump should run momentarily and then stop. If you do not hear the fuel pump run, check the fuel pump / ignition circuit breaker. See the Fuse Replacement section for details.
Battery Discharged Fully charge the battery. See the Battery Charging section for details.
Spark Plug(s) Fouled Inspect spark plugs. See the Spark Plug Recommendations section for details.
Spark Plug Wire(s) Disconnected or Loose Be sure spark plug wires are securely fastened.

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