Polaris 2005 Sportsman 800 EFI Offroad Vehicle User Manual


 
106
TROUBLESHOOTING
Engine Stops or Loses Power
Possible Cause Solution
Out o f 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 present in fuel Replace with new fuel
Fouled or defective spark plugs Inspect, clean and/or replace spark plugs
Worn or defective spark plug wires See your Polaris dealer
Incorrect spark plug gap or heat range Set gap to specs or replace plugs
Loose ignition connections Check all connections and tighten
Low battery voltage Recharge battery to 12.8 VDC
Incorrect fuel Replace with recommended fuel
Clogged air filter Inspect and clean or replace
Reverse speed limiter malfunction See your Polaris dealer
Electronic throttle control malfunction See your Polaris dealer
Other mechanical failure See your Polaris dealer
Overheated engine Clean radiator screen and core
Clean engine exterior
See your Polaris dealer
Engine Overheating
Possible Cause Solution
Debris lodged in screen Re move 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 pres-
sure washers can deform the radiator fins
and reduce cooling ef ficiency .