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9850043 R01 - 2017-2021 RANGER 500 / 570 Service Manual

2.39

5. Measure gap with a wire gauge. Refer to

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. (0.84 +/– 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 5924

TORQUE

Spark Plug: 15ft-lbs (20 Nm)Do Not Apply Anti-Seize

8. Install spark plug wire into spark plug / engine.

570 DOHC

SPARK PLUG SERVICE - 570

1. Remove spark plug high tension lead

. Clean plug

area so no dirt and debris can fall into engine when

plug is removed.

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

Polaris RANGER 570 2020 User Manual

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