Page 144 - Manual_Polaris_RZR_ProXP-20-21

MAINTENANCE

2. Remove two fasteners w, two electrical harness 9. If necessary, replace spark plug with proper type.
connections e and remove ignition coils.
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:
9 ft-lbs (12 N·m)

11. Install ignition coils. Ensure coils are pushed all the
3. Clean out plug wells with compressed air to remove
any loose dirt or debris. way down so they engage onto the spark plugs.
Torque fasteners to specification.
4. Rinse plug wells with water and dry with compressed
air. TORQUE
NOTICE Ignition Coil Fasteners:
7 ft-lbs (10 Nm)
Spark plug wells have drain holes built into the cylinder
head to allow water to drain out.
12.Reconnect ignition coil harness connectors.
5. Remove spark plugs using a 5/8” spark plug socket 13.Reinstall the cargo box. Torque fasteners to
with an extension. specification.
6. Inspect electrodes for wear and carbon buildup. Look TORQUE
for a sharp outer edge with no rounding or erosion of
the electrodes. Cargo Box Fasteners:
7 ft-lbs (10 Nm)

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.

2.58 9930583 R01 - 2020-2021 RZR PRO XP / XP 4 Service Manual
© Copyright Polaris Industries Inc.