3.184
9928485 R01 - 2017-2018 RANGER 500 / 570 Service Manual
© Copyright Polaris Industries Inc.
ENGINE DISASSEMBLY / INSPECTION -
LOWER END
CRANKCASE DISASSEMBLY
NOTE
The engine top end, starter motor, stator cover, starter
drive, flywheel, stator, cam chain, oil pump and
sprockets can be serviced with the engine installed in
the vehicle.
FLYWHEEL / STATOR HOUSING REMOVAL
1. Remove the stator cover as outlined in the ”Water
Pump Mechanical Seal / Oil Seal Replacement”
procedure” in this chapter.
CAUTION
The flywheel contains powerful magnets. Use caution
when removing the stator cover.
DO NOT place fingers between cover and crankcase at
any time during the removal process or injury could
result.
CAUTION
Be sure engine coolant does not contaminate the
engine oil during stator cover service.
2. Remove starter drive gear and shaft
r
. Inspect gear
teeth for damage. Inspect fit of shaft inside gear and
replace gear assembly if clearance is excessive.
Inspect shaft and shaft bearing surfaces in case and
stator housing for wear.
3. Hold flywheel with a commercially available strap
wrench and remove flywheel nut and washer.
Discard the flywheel nut and replace for assembly.
NOTE
The flywheel nut has standard rotation (right hand)
threads.
4. Back the center screw of flywheel puller completely
out and screw puller onto flywheel completely.
Flywheel Puller: PA-49316
5. Tighten center bolt of tool and remove flywheel.
ENGINE / COOLING SYSTEM
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