3
9850043 R01 - 2017-2021 RANGER 500 / 570 Service Manual
© Copyright Polaris Inc.
3.137
FLYWHEEL INSTALLATION
1. Clean the threads
q
, taper
w
and flat
e
of
crankshaft to remove all oil or grease.
2. Clean flywheel taper
r
with alcohol to remove all oil
or grease.
3. Apply a small amount of PS4 engine oil to the flat
area
t
on the MAG side crankshaft. DO NOT apply
engine oil to the crankshaft taper.
4. Rotate crankshaft so the flywheel key
y
is facing
upward.
5. Fully install starter gear onto the crankshaft as
shown.
6. Align the flywheel keyway with flywheel key on the
crankshaft.
7. Thoroughly clean the crank taper with alcohol.
8. By hand, lightly press the flywheel inward while
rotating the starter gear counter clock-wise. Fully
install the flywheel until seated on the crankshaft
taper.
9. Install the flywheel washer.
10. Hold flywheel with commercially available strap
wrench.
ENGINE / COOLING SYSTEM