9850043 R01 - 2017-2021
RANGER
500 / 570 Service Manual
© Copyright Polaris Inc.
3.121
ENGINE DISASSEMBLY / INSPECTION -
LOWER END
CRANKCASE DISASSEMBLY
NOTICE
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.
STATOR COVER REMOVAL
1.
Remove the engine to transmission coupler through
bolts
(See
“Engine
to
Transmission
Coupler
Service”).
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.
2.
Disconnect stator harness connector.
3.
Disconnect CPS connector.
4.
Remove stator cover fasteners.
5.
Remove starter drive gear
w
and shaft
q
. 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.
6.
Hold flywheel special service tool and remove
flywheel nut and washer
e
. Discard the flywheel nut
and replace for assembly.
Flywheel special service tool:
PU-51220
NOTICE
The flywheel nut has standard rotation (right hand)
threads.
7.
Back the center screw of flywheel puller completely
out and screw puller onto flywheel completely.
Flywheel puller:
PA-49316
8.
Tighten center bolt of the flywheel puller and remove
flywheel.
STARTER ONE-WAY CLUTCH INSPECTION
1.
Remove flywheel as outlined in this chapter.
2.
Place flywheel on work bench. Grasp gear and rotate
clockwise. It should turn smoothly without binding.
3.
Rotate gear counterclockwise. The gear should
immediately lock in position and not slip.
Summary of Contents for RANGER 500 2017
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