570 Dohc; Spark Plug Service - 570 - Polaris RANGER 500 2018 Service Manual

5. Measure gap with a
specifications in picture below for proper spark plug
type and gap. Adjust gap if necessary by bending the
side electrode carefully.
Spark Plug Gap:
0.030-0.037 in. (0.85 +/– 0.08 mm)
6. If necessary, replace spark plug with proper type.
CAUTION
Severe engine damage may occur if the incorrect spark
plug is used.
7. Install spark plugs and torque to specification.
Recommended Spark Plug:
Autolite 5923
TORQUE
Spark Plug:
9 ft-lbs (12 Nm)
Do Not Apply Anti-seize
8. Install spark plug wire into spark plug / engine.
9928485 R01 - 2017-2018 RANGER 500 / 570 Service Manual
© Copyright Polaris Industries Inc.
wire gauge. Refer to

570 DOHC

SPARK PLUG SERVICE - 570

1. Remove spark plug high tension lead
area so no dirt and debris can fall into engine when
plug is removed.
w
2. Remove spark plug .
3. Inspect electrodes for wear and carbon buildup
Look for a sharp outer edge with no rounding or
erosion of the electrodes.
4. Clean with electrical contact cleaner or a glass bead
spark plug cleaner only.
CAUTION
A wire brush or coated abrasive should not be used.
MAINTENANCE
q
. Clean plug
2
w
.
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