POSSIBLE LEAN
FUEL CAUSE
SOLUTION
Low or contaminated
fuel
Add or change fuel, clean the fuel system
Kinked or plugged fuel
tank vent line
Inspect and replace
Low octane fuel
Replace with recommended fuel
Clogged air filter
Your authorized dealer can assist
Incorrect fuel
Replace with recommended fuel
POSSIBLE RICH FUEL
CAUSE
SOLUTION
Fuel is very high octane
Replace with lower octane fuel
Stopping/starting
without adequate warm-
up
Allow engine to warm up before operating and/or
stopping
Incorrect fuel
Replace with recommended fuel
Clogged air filter
Inspect and clean or replace
ENGINE STOPS OR LOSES POWER
POSSIBLE CAUSE
SOLUTION
Out of fuel
Refuel, cycle key to ON position three times for 5
seconds each, then start
Kinked or plugged fuel
vent line
Inspect and replace
Water is present in fuel
Replace with new fuel
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 plug
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Summary of Contents for Sportsman Touring 570 EPS 2021
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