Spark Plug Service - Polaris Sportsman 850 Service Manual

SPARK PLUG SERVICE

1. Remove the seat and upper right-hand side panel.
2. Disconnect the shift linkage from the shift lever.
3. Remove the spark plug wires
Clean plug area so no dirt and debris can fall into
engine when plugs are removed.
4. Using a 14 mm deep-well socket with an extension,
remove the spark plug.
5. Inspect electrodes for wear and carbon buildup. Look
for a sharp outer edge with no rounding or erosion of
the electrodes.
6. Clean with electrical contact cleaner or a glass bead
spark plug cleaner only.
CAUTION
A wire brush or coated abrasive should not be used.
Use of non-recommended cleaning methods may lead
to component damage.
7. Measure gap with a
specifications in the following illustration for proper
spark plug type and gap. Adjust gap if necessary by
carefully bending the side electrode.
8. If necessary, replace spark plug with proper type.
q
from the plugs.
wire gauge. Refer to
CAUTION
Severe engine damage may occur if the incorrect spark
plug is used.
Recommended Spark Plug for 850 Engine:
Champion REA6MC
Spark Plug Torque:
18 ± 1.5 ft-lbs (24 ± 2 Nm)
Gap: .035'' (0.90 mm)
Recommended Spark Plug for 1000 Engine:
Autolite 5682
Spark Plug Torque:
18 ± 1.5 ft-lbs (24 ± 2 Nm)
Gap: .030'' (0.76 mm)
9. Apply a small amount of anti-seize compound to the
spark plug threads.
10. Install spark plugs and torque to specification.
11. Fully seat the plug wires on the spark plugs.
12.
NOTE
The spark plug wires are marked with MAG
e
. The PTO (long) wire on the coil terminal is nearest
the airbox.
13. Reinstall the shift linkage, upper right-hand side panel
and seat.
MAINTENANCE
2
w
and PTO
2.31