ENGINE PINGS OR KNOCKS
POSSIBLE CAUSE
SOLUTION
Poor quality or low octane fuel
Replace with recommended fuel.
Incorrect ignition timing
Your authorized dealer can assist.
Incorrect spark plug gap or
heat range
Set gap to specs or replace plugs.
ENGINE RUNS IRREGULARLY, STALLS OR
MISFIRES
POSSIBLE CAUSE
SOLUTION
Fouled or defective
spark plug(s)
Inspect, clean and/or replace spark plugs
Worn or defective spark
plug wires
Your authorized dealer can assist
Incorrect spark plug gap
or heat range
Set gap to specs or replace plugs
Loose ignition
connections
Check all connections and tighten
Water present in fuel
Replace with new fuel
Low battery voltage
Recharge battery to 12.8 VDC
Kinked or plugged fuel
tank vent line
Inspect and replace
Incorrect fuel
Replace with recommended fuel
Clogged air filter
Inspect and clean or replace
Reverse speed limiter
malfunction
Your authorized dealer can assist
Electronic throttle
control malfunction
Your authorized dealer can assist
Other mechanical
failure
Your authorized dealer can assist
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Summary of Contents for Sportsman Touring 570 EPS 2021
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