2004 Polaris Switchback Owners Manual - Page 115

2004 Polaris Switchback Manual

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Engine Troubleshooting Problem Erratic engine operating RPM during acceleration or load variations Probable Cause Drive clutch binding Driven clutch malfunction TROUBLESHOOTING CAUTION: Unless you have experience and training in two-cycle engine repair, see your dealer if technical problems arise. Solution - Disassemble drive clutch to inspect shift weights for wear and free operation. SEE YOUR DEALER. - Clean and polish stationary shaft hub. - Replace ramp buttons and rollers. SEE YOUR DEALER. - Inspect movable sheaves for excessive bushing clearance and replace if necessary. SEE YOUR DEALER. - Replace drive belt. - SEE YOUR DEALER. - Replace drive belt. - Adjust alignment offset. - Inspect and adjust or replace. SEE YOUR DEALER. - Belt twisted, spring broken, weights stuck, lubricated. SEE YOUR DEALER. - Foreign object caught or Hi-fax melted to track clips due to lack of lubrication. - Machine may be frozen to ground. Track may be iced up. - Chain is loose or broken, chain tightener is loose. SEE YOUR DEALER. Harsh drive clutch engagement Drive belt turns over Drive belt worn or too narrow Excessive belt/ sheave clearance Wrong belt for application Clutch alignment out of spec Engine mount broken or loose Machine fails to move Clutch jammed Track jammed Chaincase sprocket or chain jammed or broken 113

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113
TROUBLESHOOTING
EngineTroubleshooting
CAUTION:
Unlessyouhaveexperienceandtrainingintwo-cycle
enginerepair,seeyourdealeriftechnicalproblemsarise.
Problem
ProbableCause
Solution
Erraticengine
operatingRPM
duringaccelera-
tionorload
variations
Driveclutch
binding
Drivenclutch
malfunction
-Disassembledriveclutchtoinspectshift
weightsforwearandfreeoperation.
SEEYOURDEALER.
-Cleanandpolishstationaryshafthub.
-Replacerampbuttonsandrollers.
SEEYOURDEALER.
-Inspectmovablesheavesforexcessive
bushingclearanceandreplaceifnecessary.
SEEYOURDEALER.
Harshdrive
clutch
engagement
Drivebeltwornor
toonarrow
Excessivebelt/
sheaveclearance
-Replacedrivebelt.
-SEEYOURDEALER.
Drivebeltturns
over
Wrongbeltfor
application
Clutchalignment
outofspec
Enginemountbro-
kenorloose
-Replacedrivebelt.
-Adjustalignmentoffset.
-Inspectandadjustorreplace.
SEEYOURDEALER.
Machinefailsto
move
Clutchjammed
Trackjammed
Chaincasesprocket
orchainjammedor
broken
-Belttwisted,springbroken,weightsstuck,
lubricated. SEEYOURDEALER.
-ForeignobjectcaughtorHi-faxmeltedto
trackclipsduetolackoflubrication.
-Machinemaybefrozentoground. Track
maybeicedup.
-Chainislooseorbroken,chaintightener
isloose. SEEYOURDEALER.