Page 411 - Manual Oficina Polaris Sportsman 570 2014 a 2016

PVT SYSTEM

Drive Clutch Spring Inspection SHIFT WEIGHT INSPECTION
1. Remove shift weight bolts and weights. Inspect the
CAUTION
contact surface of the weight. The surface should be
Never shim a drive clutch spring to increase its smooth and free of dents or gall marks. Inspect the
compression rate. This may result in complete stacking weight pivot bore and bolts for wear or galling. If
of the coils and subsequent clutch cover failure. weights or bolts are worn or broken, replace in sets
of three with new bolts and nuts.
The drive clutch spring is one of the most critical
components of the PVT system. It is also one of the WARNING
easiest to service. Due to the severe relaxation the The clutch assembly is a precisely balanced unit. Never
spring is subject to during operation, it should always replace parts with used parts from another clutch
be inspected for tolerance limits during any clutch assembly!
operation diagnosis or repair.
With the spring resting on a flat surface, measure its 2.
free length from the outer coil surfaces. Also check to
see that spring coils are parallel to one another.
Distortion of the spring indicates stress fatigue,
requiring replacement.

Drive Clutch Spring Specifications
5
Color Black Red/Blue Red/Blue
Stripe Stripe
(ETX) (ETX)
(Elevation
Only)
Free 2.8” (71.12 2.56” 2.53”
Length mm) (65.02 (64.26
mm) mm)

NOTE
A damaged shift weight is usually caused by a
damaged or stuck roller in the spider assembly. See
“Roller, Pin and Thrust Washer Inspection”.

9926803 R06 - 2014-2016 Sportsman 325 / ETX / 450 HO / 570 Service Manual 5.25
© Copyright Polaris Industries Inc.