6.33
CLUTCHING
6
9924125 - 2013 RANGER RZR / RZR S / RZR 4 Service Manual
© Copyright 2012 Polaris Sales Inc.
TROUBLESHOOTING
Situation Probable Cause Remedy
Engine RPM below
spe
cified operating
range, although
engine is properly
tuned.
-Wrong or broken drive clutch spring.
-Drive clutch shift weight too heavy.
-Driven clutch spring broken or installed in
wrong helix
location.
-Replace with recommended spring.
-Install correct shift weight kit to match engine
a
pplication.
-Replace spring; refer to proper installation
loc
ation.
Erratic engine
o
perating RPM
during acceleration
or load variations.
-Drive clutch binding.
-Belt worn unevenly - thin / burnt spots.
-Driven clutch malfunction.
-Sheave face grooved.
A. Disassemble drive clutch; inspect shift weights
for
wear and free operation.
B. Clean and polish stationary shaft hub;
reassemble clutc
h without spring to determine
problem area.
Replace belt.
A. Replace ramp buttons.
B. Inspect movable sheave for ex
cessive bushing
clearance.
-Replace the clutch.
Engine RPM above
spe
cified operating
range.
-Incorrect drive clutch spring (too high of rate).
-Drive clutch shift weights incorrect for
application (too
light).
-Drive clutch binding.
-Driven clutch binding.
-Converter sheaves greasy; belt slipage.
-Install correct recommended spring.
-Install correct recommended shift weights.
-Disassemble and clean clut
ch, inspecting shift
weights and rollers. Reassemble without the spring
and move sheaves through entire range to further
determine probable cause.
-Disassemble, clean, and inspect driven clutch,
n
oting worn sheave bushing and ramp buttons and
helix spring location.
-Clean sheaves with denatured alcohol or brake
clea
ner, install new belt.
Harsh drive clutch
e
ngagement.
-Drive belt worn too narrow.
-Excessive belt / sheave clearance with new
be
lt.
-Replace belt.
-Perform belt / sheave clearance adjustment with
shim washers beneat
h spider.
Drive belt turns
ov
er
-Wrong belt for application. -Replace with correct belt.
Belt burnt, thin
spot
s
-Abuse (continued throttle application when
vehic
le is stationary, excess load)
-Dragging brake
-Slow, easy clutch engagement
-Caution operator to operate machine within
guidelines.
-Inspect brake system.
-Fast, effective use of throttle for efficient
e
ngagement.
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