Polaris Outlaw 450 MXR Owner's Manual page 185

Troubleshooting
Engine Stops or Loses Power
Possible Cause
Out of fuel
Interrupted fuel supply
Clogged, dirty or wet air filter
Electronic throttle control malfunction
Other mechanical failure
Overheated engine
182
Solution
Turn the fuel valve to reserve, refuel
Clean fuel system and carburetor
Inspect and clean or replace
See your Polaris dealer
See your Polaris dealer
Clean radiator screen and core if equipped
Clean engine exterior
Check oil level, maintain at recommended level
See your Polaris dealer