Polaris SPORTSMAN 570 2019 Owner's Manual page 170

TROUBLESHOOTING
ENGINE DOESN'T TURN OVER
POSSIBLE CAUSE
Low battery voltage
Loose battery connections
Loose solenoid connections
Loose electronic control box
connections
ENGINE TURNS OVER, FAILS TO START
POSSIBLE CAUSE
Out of fuel
Water is present in fuel
Old or non-
recommended fuel
Fouled or defective
spark plug
No spark to spark plug
Water or fuel in
crankcase
Low battery voltage
Mechanical failure
ENGINE BACKFIRES
POSSIBLE CAUSE
Weak spark from spark
plug
Incorrect spark plug gap
or heat range
Old or non-
recommended fuel
Incorrectly installed
spark plug wires
168
Recharge the battery to 12.8 VDC
Check all connections and tighten
Check all connections and tighten
Inspect, clean, reinstall connectors
Refuel
Drain the fuel system and refuel
Replace with fresh recommended fuel
Inspect plug and replace if necessary
Inspect plug and replace if necessary
Your authorized dealer can assist
Recharge the battery to 12.8 VDC
Your authorized dealer can assist
Inspect, clean and/or replace spark plug
Set gap to specs or replace plug
Replace with fresh recommended fuel
Your authorized dealer can assist
SOLUTION
SOLUTION
SOLUTION