Table of Contents
MAINTENANCE
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
2. Remove both spark plug caps
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.
Spark plug wells have drain holes built into the cylinder
head to allow water to drain out.
2.56
q
.
plugs.
w
.
NOTE
NOTE
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
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.
Recommended Spark Plug:
NGK MR9F
10. Install spark plugs and torque to specification.
TORQUE
Spark Plug Torque:
7 ft-lbs (10 Nm)
11. 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.
12. Reinstall the cargo box access panel.
9929419 R02 - 2018-2019 RZR XP / XP 4 Turbo S Service Manual
© Copyright Polaris Industries Inc.
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