Polaris RANGER XP 4X4 700 EFI - Manual (Page 74)

71
MAINTENANCE AND LUBRICATION
Spark Plugs
2. Wet Fouled
The wet fouled insulator tip is black. A damp oil film covers the firing
end. There may be a carbon layer over the entire nose. Generally, the
electrodes are not worn. General causes of fouling are excessive oil,
use of non-recommended injection oil or incorrect throttle body
adjustments.
Spark Plug Removal and Replacement
1. Remove the seat to access the engine compartment.
2. Remove the spark plug cap. Using the spark plug wrench provided
in the tool kit, remove the plug by rotating it counterclockwise.
3. Reverse the procedure for spark plug installation. Torque to
specification. See page 70.