Table of Contents
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2. Remove four fasteners
, four electrical harness
e
connections
and remove ignition coils.
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 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.
9940259 R02 - 2022 RZR PRO R / PRO R 4 Service Manual
© Copyright Polaris Industries Inc.
8. Measure gap with a wire gauge. Adjust gap if
necessary by carefully bending the side electrode.
MEASUREMENT
Spark Plug Gap:
0.039" (1 mm)
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:
ZMR7A-10
10. Install spark plugs and torque to specification.
TORQUE
Spark Plug Torque:
9 ft-lbs (12 Nm)
11. Install ignition coils. Ensure coils are pushed all the
way down so they engage onto the spark plugs.
Torque fasteners to specification.
TORQUE
Ignition Coil Fasteners:
7 ft-lbs (10 Nm)
12. Reconnect ignition coil harness connectors.
13. Reinstall the cargo box. Torque fasteners to
specification.
TORQUE
Cargo Box Fasteners:
7 ft-lbs (10 Nm)
MAINTENANCE
2
2.39
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