Spark Plug Service; Electrical - Polaris 2015 RZR 900 Service Manual

Spark Plug Service

Inspect and replace the spark plugs at the intervals
outlined in the Periodic Maintenance Chart.
1. Remove the cargo box access panel
WARNING
A hot engine can cause serious burns. Allow engine to
cool or wear protective gloves when removing the spark
plugs.
2. Remove both spark plug caps
NOTE: Use 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.
NOTE: Spark plug wells have drain holes built
into the cylinder head to allow water to drain out.
5. Remove spark plugs using a 5/8" spark plug socket
with an extension.
6. Inspect electrodes for wear and carbon buildup. Look
for a sharp outer edge with no rounding or erosion of
.
1
the electrodes.
7. Clean with electrical contact cleaner or a glass bead
spark plug cleaner only. CAUTION: 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.
CAUTION: Severe engine damage may occur if the
incorrect spark plug is used.
.
10. Apply anti-seize compound to the spark plug threads.
11. Install spark plugs and torque to specification.
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. Reinstall the cargo box access panel.
9925723 R01 - 2015 RZR 900 Service Manual
© Copyright 2014 Polaris Industries Inc.
MAINTENANCE
Recommended Spark Plug:
Champion RG4YCX
Spark Plug Torque:
7 ft-lbs (10 Nm)
2
2.31