Polaris 2016 ATV Sportsman 850 - Manual (Page 122)

120
MAINTENANCE
Spark Plugs
Spark Plug Recommendations
Refer to the specifications section beginning on page 146 for the
recommended spark plug type and gap for your vehicle. Torque spark
plugs to specification.
NOTICE: Using non-recommended spark plugs can result in serious engine
damage. Always use POLARIS-recommended spark plugs or their
equivalent.
Spark Plug Inspection
Spark plug condition is indicative of engine operation. Check the spark
plug firing end condition after the engine has been warmed up and the
vehicle has been driven at higher speeds. Immediately check the spark
plug for correct color. See page 121.
CAUTION! A hot exhaust system and engine can cause burns. Wear
protective gloves when removing a spark plug for inspection.
1. Rotate the spark plug cap 1/4 turn and pull it off the spark plug.
2. Rotate the spark plug counter-clockwise to remove it.
3. Reverse the procedure for spark plug installation. Torque to
specification.
Plug Condition Torque Specification
New Spark Plug 18-20 ft-lbs
(24-27 Nm)
Previously Installed
Spark Plug
18-20 ft-lbs
(24-27 Nm)