Engine / Chassis Ground - Polaris 2009 Sportsman XP 850 Service Manual

Spark Plug Inspection / Installation
1. Inspect electrodes for wear and carbon buildup. Look for
a sharp outer edge with no rounding or erosion of the
electrodes.
2. Clean with electrical contact cleaner or a glass bead spark
plug cleaner only. CAUTION: A wire brush or coated
abrasive should not be used.
3. Measure gap with a wire gauge. Refer to specifications in
the following illustration for proper spark plug type and
gap. Adjust gap if necessary by carefully bending the side
electrode.
Spark Plug Gap
Gap - .035" (0.90 mm)
4. If necessary, replace spark plug with proper type.
CAUTION: Severe engine damage may occur if the
incorrect spark plug is used.
Recommended Spark Plug
Champion REA6MC or REA8MCL
Spark Plug Torque:
18 ± 1.5 ft. lbs. (25 ± 2 Nm)
5. Apply a small amount of anti-seize compound to the spark
plug threads.
6. Install spark plugs and torque to specification.
7. Make sure the high tension leads are retained by the airbox.
8. Reinstall the shift linkage, upper right-hand side panel, and
seat.

Engine / Chassis Ground

Periodically inspect the electrical ground cable attachments.
Cables and connections should be tight and corrosion-free.
Inspect the battery-to-chassis connection underneath the seat.
This connection allows the chassis to provide a ground path.
Inspect the chassis-to-engine connection on the left side of the
engine attached to the engine/transmission housing.
connection allows the engine to provide a ground path.
MAINTENANCE
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