Troubleshooting, Engine stops or loses power engine overheating – Polaris Sportsman 9921848 User Manual
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TROUBLESHOOTING
Engine Stops or Loses Power
Engine Overheating
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 (if equipped)
Water is present in fuel
Replace with fresh recommended fuel
Old or non-recommended fuel
Replace with fresh recommended fuel
Fouled or defective spark plug(s)
Inspect, clean and/or replace spark
plug(s)
Worn or defective spark plug wires
See your dealer
Incorrect spark plug gap or heat range
Set gap to specs or replace plug
Loose ignition connections
Check all connections and tighten
Low battery voltage
Recharge the battery to 12.8 VDC
Clogged air filter
Inspect and clean or replace
Reverse speed limiter malfunction
See your dealer
Electronic throttle control malfunction
See your dealer
Other mechanical failure
See your dealer
Overheated engine
Clean radiator screen and core, clean
engine exterior, see your dealer
Possible Cause
Solution
Debris lodged in screen
Remove and clean the screen. Pull on the
top portion of the screen, then remove the
lower portion.
Plugged Radiator
Use a garden hose to flush any debris
from the radiator fins. NOTE: High
pressure washers can deform the radiator
fins and reduce cooling efficiency.