Spark Plug Service - Polaris General 2020 Service Manual

ENGINE ELECTRICAL

SPARK PLUG SERVICE

A hot engine can cause serious burns. Allow engine to
cool or wear protective gloves when removing the spark
Inspect and replace the spark plugs at the intervals
outlined in the Periodic Maintenance Chart.
1. Lift the cargo box.
2. Remove both spark plug caps
NOTICE
Note MAG and PTO reference decals on spark plug
wires for reassembly.
3. Clean out plug wells with compressed air to remove
any loose dirt or debris.
4. Rinse plug wells with water and dry with compressed
air.
NOTICE
Spark plug wells have drain holes built into the cylinder
head to allow water to drain out.
5. Remove spark plugs using spark plug socket with an
extension.
4.14
WARNING
plugs.
w
.
6. Inspect electrodes for wear and carbon buildup. Look
for a sharp outer edge with no rounding or erosion of
the electrodes.
7. Clean with electrical contact cleaner or a glass bead
spark plug cleaner only.
IMPORTANT
A wire brush or coated abrasive should not be used.
8. Measure gap with a wire gauge. Adjust gap if
necessary by carefully bending the side electrode.
9. If necessary, replace spark plug with proper type.
IMPORTANT
Severe engine damage may occur if the incorrect spark
plug is used.
Recommended Spark Plug:
NGK MR7F
10. Apply anti-seize compound to the spark plug threads.
11. Install spark plugs and torque to specification.
TORQUE
Spark Plug Torque:
9 lb-ft (12 Nm)
12. Install the plug caps to the appropriate cylinder by
referencing the MAG and PTO spark plug wire
decals. Ensure wires are pushed down all the way so
they engage onto the spark plugs.
13. Lower the cargo box and secure in position.
9850067 R01 - 2020-2021 GENERAL / GENERAL XP Service Manual
© Copyright Polaris Inc.