Spark Plug Service - Polaris ACE 900 2017 Service Manual

SPARK PLUG SERVICE

Inspect and replace the spark plugs at the intervals
outlined in the Periodic Maintenance Chart.
1. Remove the cargo box access
CAUTION
A hot engine can cause serious burns. Allow engine to
cool or wear protective gloves when removing the spark
plugs.
2. Disengage the two air box cover straps
remove the air box cover.
9929422 R02 - 2017-2019 ACE 900 Service Manual
© Copyright Polaris Industries Inc.
3. Remove the spark plug caps
Note MAG and PTO reference decals on spark plug
4. Clean the plug area so no dirt and debris can fall into
engine when plug is removed.
5. Using the spark plug wrench provided in the tool kit,
remove a plug by rotating it counter clockwise.
6. Inspect electrodes for wear and carbon build up. Look
q
and
for a sharp outer edge with no rounding or erosion of
the electrodes.
7. Clean with electrical contact cleaner or glass bead
spark plug cleaner on.
A wire brush or coated abrasive should not be used.
MAINTENANCE
w
.
NOTE
wires for reassembly.
CAUTION
2
2.49