CFMoto ATV HX500-S, HX500-L 4x4. Service Manual - part 8

Crankcase filled with water or fuel

Overuse of choke

Clogged fuel filter

Low battery voltage

Mechanical failure

Immediately see your dealer

Inspect, clean and/or replace spark plugs

Replace the filter

Recharge battery to 12.5 VDC

See your dealer

Poor quality or low octane fuel

Incorrect ignition timing

Incorrect spark plug gap or heat range

Replace with recommended fuel

See your dealer

Set gap to specs or replace plugs

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

Inspect, clean and/or replace spark plugs

Set gap to specs or replace plugs

Replace with new fuel

See your dealer

See your dealer

See your dealer

Fouled or defective spark plugs

Worn or defective spark plug wires

Incorrect spark plug gap or heat range

Loose ignition connections

Water present in fuel

Low battery voltage

Inspect, clean and/or replace spark plugs

See your dealer

Set gap to specs or replace plugs

Check all connections and tighten

Replace with new fuel

Recharge battery to 12.5 VDC

Kinked or plugged fuel vent line

Incorrect fuel

Clogged air filter

Reverse speed limiter malfunction

Electronic throttle control malfunction

Other mechanical failure

Low or contaminated fuel

Low octane fuel

Clogged fuel filter

Incorrect jetting

Overuse of choke

Fuel is very high octane

Incorrect jetting

Inspect and replace

Replace with recommended fuel

Inspect and clean or replace

See your dealer

See your dealer

See your dealer

Add or change fuel, clean the fuel system

Replace with recommended fuel

Replace filter

See your dealer

Inspect, clean and/or replace spark plugs

Replace with lower octane fuel

See your dealer

Out of fuel

Kinked or plugged fuel vent line

Water present in fuel

Overuse of choke

Fouled or defective spark plugs

Worn or defective spark plug wires

Incorrect spark plug gap or heat range

Loose ignition connections

Low battery voltage

Incorrect fuel

Clogged air filter

Reverse speed limiter malfunction

Electronic throttle control malfunction

Other mechanical failure

refuel

Inspect and replace

Replace with new fuel

Inspect, clean and/or replace spark plugs

Inspect, clean and/or replace spark plugs

See your dealer

Set gap to specs or replace plugs

Check all connections and tighten

Recharge battery to 12.5 VDC

Replace with recommended fuel

Inspect and clean or replace

See your dealer

See your dealer

See your dealer

Overheated engine

Clean radiator screen and core if equipped

Clean engine exterior

See your dealer