Tuesday, August 19, 2014

Carburetor Troubleshooting Polaris Snowmobile

Troubleshooting the polaris snowmobile carburetor helps trace and correct faults within the carb. The following lists problems that could cause a carburetor to work incorrectly. Download a repair manual instantly and get the full details on troubleshooting, condition and how to remedy the machine. 

Carburetor Guide Polaris Snowmobile


Troubleshooting Carburetor Fuel System

  • Carburetor running to rich
  • Carburetor running to rich at wide open throttle
  • Carburetor running rich at slow speeds
  • Choke plunger will not seat on Mikuni TM 38
  • Fuel mixture too far in, how to correct on Mikuni VM34ss?
  • Pilot air passages damaged or clogged, how to fix?
  • What’s causing pilot jet to become lose?
  • How to adjust pilot air screw when too far out TMX-34?
  • Float/inlet needle is possibly damaged, obstructed, or needs adjustment. What is the process of repair?
  • How to tell if the carburetor needle jet is worn?
  • Why does the engine cut out at high rpm?
  • Why does one cylinder run lean choke adjustment?
  • How to replace throttle valve and throttle cable spring?
  • How to fine-tune carburetor when float bowl vent hose is damaged?
  • How to readjust E-clip on carb?
  • What is the correct position for E-clip?
  • How to adjust idling speed?
  • What is causing the float valve to stop working?
  • How to clean and replace starter valve seat?
  • What is the remedy for improperly tuned carb?
  • Carburetor mixture is too lean, how to fix?
  • What direction to turn the idle screw to make rich?
  • Where is the idle screw located?
  • Would a melted electrodes or blistered insulator cause the polaris snowmobile to run lean?
  • What does it mean when the spark plug on polaris snowmobile has grey or white insulator? And piston is damaged or seized.
  • Why is there black residue or fluffy deposits on spark plug, polaris snowmobile running rich?
  • What is causing cylinder scoring and holes in piston?
When troubleshooting a Polaris carburetor, always follow a specific path to diagnose the system. First inspect the fuel tank, then fuel filter and fuel lines. Check the vent lines and fuel pump. Also examine the air box and impulse hose. The exhaust system should be checked too. Finally check the carburetors.


Different types of carburetors for Polaris snowmobiles:

Polaris pro X 800 40mm carbs
Mikuni 38mm triple VM carburetor
Polaris XLT 600 SKS Carb
Mikuni VM34 Carburetor 3.0 throttle valve
SPI carburetor flange VM26 VM28
KEIHIN carb repair kit Polaris TX starfire 50mm
Mikuni power jet 36 mm
NOS Polaris snowmobile carburetor vibration dampener
VM 34mm carb body
Polaris TX-L 340 38mm with mik flanges 470
Mikuni VM26 1.5 carburetor
39 mm Keihin
Needle jet 166 O-2 VM38 Spigot mount carb
Needle jet 224 BB-0 VM40 VM44
34 MM Mikuni 
TM38 MAG carburetor
Vintage Tillotson HD7A carb Polaris Scorpion
39mm Keihin Carb top assembly cap
TM38 TM40 


Polaris Snowmobiles 1985 to 2010



1985 MODEL
1986 MODELS
1987 MODELS
1988 MODELS
1989 MODELS
600 SE
600
400
Long Track
Indy Trail
SS
Star
600 LE
600
400
Long Track
Indy Trail
SS
Sprint
Sprint ES
Star
Indy 600
Indy 400
Indy 400 SKS
Indy Trail
Trail ES
Trail SKS
Long Track
Long Track LTR
Indy Sport
Sprint
Sprint ES
Star
Star Track
Indy 650
Indy 650 SKS
Indy 400
400 SKS
Indy 400
Classic 400
Indy Trail
Indy SP Deluxe
ES
SKS
Indy Sport
Sprint
Star
Long Track
Reverse
Star Track
Indy 650
Indy 650 SKS
Indy 500
500 SKS
Indy 500 Classic
Indy 500 SP
Indy 400
Indy Trail
SP Deluxe
ES
SKS
Indy Sport
Indy Sport GT
Sprint ES
Star
Long Track Reverse
Star Track
1990 MODELS
1991 MODELS
1992 MODELS
1993 MODELS
1994-1995 MODELS
650
650 SKS
500
500 SKS
500 Classic
500 SP
Indy 400
Indy Trail
Indy Trail
Deluxe
Indy Trail
SuperTrak
Indy Sport
Indy Sport GT
Sprint ES
Star
Star Trak
WideTrak
650
RXL
RXL SKS
500
500 SKS
500 Classic
500 SP
400
Indy Trail
Trail Deluxe
Indy Sport
Indy Sport GT
SuperTrak
WideTrak
Indy Lite
Star Lite
RXL
RXL SKS
650
Classic
500 SP EFI
500 SKS EFI
500
Wide Trak
440 XCR
440
Super Trak
Trail Deluxe
Trail Sport GT
Sport 440
Indy Lite GT
Indy LIte
Lite Deluxe
Star Lite
Storm
Storm SKS
RXL
RXL SKS
XLT
XLT SP
XLT SKS
500 EFI
500 SKS EFI
Classic
Classic Touring
WideTrak
440 XCR
440 SKS
Trail
Trail Deluxe
Sport 440
Indy Lite GT
Lite Deluxe
Indy Lite
Indy StarLite GT
Indy Star Lite
Storm
Storm SKS
Storm SKS/PT
RXL
RXL Touring
XLT
XLT SP
XLT PT
XLT SKS
XLT Special
XLT Touring
500
500 EFI
500 EFI SKS
500 EFI SKS/PT
Classic
Classic Touring
WideTrak LX
WideTrak GT
600 XCR
440 XCR
440 XCR SP
440 Indy
440 Indy SKS
Trail Deluxe
Trail
Super Sport
Super Sport Touring
Sport
Sport SKS
Indy LIte Deluxe
Indy Lite GT
StarLite GT
StarLite
Indy Lite
600 XCR



1996 MODELS
1997 MODELS
1998 MODELS
1999 MODELS
2000 MODELS
Indy Lite
Indy Lite Deluxe
Indy Lite GT
Indy Sport
Indy TranSport
Indy Sport Touring
Indy Super Sport
Indy 440 LC
Indy 440 XCR
Indy 440 XCR SP
Indy WideTrak GT
Indy WideTrak LX
Indy Trail
Indy Trail Touring
Indy 500
Indy 500 SKS
Indy 500 RMK
Indy Classic
Indy Classic Trg.
Indy 500 EFI
Indy 500 EFI SKS
Indy 500 EFI RMK
Indy XLT
Indy XLT SKS
Indy XLT RMK
Indy XLT SP
Indy XLT Touring
Indy 600 XCR
Indy 600 XCR SP
Indy RXL
Indy Ultra SP
Indy Ultra SKS
Indy Ultra RMK
Indy Storm
Indy Storm SKS
Indy Storm RMK
Indy Lite
Indy Lite Deluxe
Indy Lite GT
Indy Sport
Indy TranSport
Indy Sport Touring
Indy Super Sport
Indy KCF
Indy 440 LC
Indy 440 XC
Indy 440 XCR
Indy WideTrak GT
Indy WideTrak LX
Indy Trail
Indy Trail Touring
Indy 500
Indy 500 SKS
Indy 500 RMK
Indy Classic
Indy Classic Trg.
Indy 500 EFI
Indy 500 EFI SKS
Indy 500 EFI RMK
Indy XLT
Indy XLT SKS
Indy XLT RMK
Indy XLT SP
Indy XLT SP LTD
Indy XLT Touring
Indy 600 XC
Indy 600 XCR SE
Indy RXL
Indy Ultra
Indy Ultra SP
Indy Ultra SPX
Indy Storm SE
Indy Storm RMK
Indy 700 SKS
Indy 700 RMK
Indy 700 XC
Indy Lite
Indy Lite Deluxe
Indy Lite Trg.
Indy Sport
Indy TranSport
Indy Sport Trg.
Indy Super Sport
Indy XCF
Indy 440
Indy 440 XCR
Indy Trail
Indy Trail Trg.
Indy Trail RMK
Indy 500
Indy 500 Classic
Indy 500 RMK
Indy Classic Trg.
Indy WideTrak LX
Indy XLT LTD
Indy XLT Clasic
Indy XLT SP
Indy XLT Trg.
Indy 600 XCR
Indy 700 XCR
Indy 600 RMK
Indy 700 RMK
Indy 600 XC
Indy 700 XC
Indy Storm
Indy Ultra
Indy Ultra Trg.
340
340 DLX
340 Touring
Sport
Sport Touring
TranSport
XCF
440
Trail
Trail Touring
Trail RMK
Super Sport
500
500 Classic
500 RMK
Classic Touring
XLT
XLT Classic
XLT Touring
500 XC
500 XC SP
600 XC
600 XC SP
700 XC
700 XC SP
600 RMK
700 RMK
700 SKS
700 SKS
700 XCR
800 XCR
Wide Trak LX
120 XC
120 XP SP
120 PRO X
Youth 120
2001 MODELS
2002 MODELS
2003 MODELS
2004 MODELS
2005 MODELS
120 XC
120 XP SP
120 PRO X
Youth 120
440 XCF SP
440 Edge Pro X
600 Edge Pro X
500 XC Edge
500 XC SP
500 XC DP Edge
600 RMK
600 XC SP
600 Edge X
600 Edge Pro X
700 XC SP
800 XC SP
800 XCR
600 RMK
700 RMK
700 XC SP Edge
800 XC SP Edge
800 RMK
800 S.C. Special
120 XC
120 XP SP
120 PRO X
Youth 120
120 XC
120 XP SP
120 PRO X
Youth 120
Pro X 440
Pro X 600
Pro X 700
Pro X 800
120 XC
120 XP SP
120 PRO X
Youth 120
440 Pro XR
550 Pro X
600 Pro X
600 Pro X2
700 Pro X
700 Pro X2
800 Pro X
800 Pro X2
800 Pro XR
120 XC
120 XP SP
120 PRO X
Youth 120
Trail RMK
600 RMK
700 RMK
800 RMK
900 RMK
600 Switchback
800 Switchback
2006 MODELS
2007 MODELS
2008 MODELS
2009 MODELS
2010 MODELS
120 Youth
FS Classic
FST Classic
FS Touring
FST Touring
FST Switchback - FST IQ
FST IQ LX
FS IQ Touring
FST IQ Touring
FST IQ Cruiser
FST IQ Switchback & Turbo Dragon
IQ Turbo LX
Turbo Switchback
FS IQ Touring
FST IQ Touring
IQ Cruiser
120 Youth
FS Classic
FST Classic
FS Touring
FST Touring
FST Switchback - FST IQ
FST IQ LX
FS IQ Touring
FST IQ Touring
FST IQ Cruiser
FST IQ Switchback & Turbo Dragon
IQ Turbo LX
Turbo Switchback
FS IQ Touring
FST IQ Touring
IQ Cruiser
600 HO IQ
600 HO Switchback
HO RMK
HO IQ  CFI
HO IQ LX CFI
600 RMK 144 155 Shift
600 Dragon
RMK 155
700 155 163
120 Youth
FS Classic
FST Classic
FS Touring
FST Touring
FST Switchback - FST IQ
FST IQ LX
FS IQ Touring
FST IQ Touring
FST IQ Cruiser
FST IQ HO IQ  CFI
HO IQ LX CFI
600 RMK 144 155 Shift
600 DragonSwitchback & Turbo Dragon
IQ Turbo LX
Turbo Switchback
FS IQ Touring
FST IQ Touring
IQ Cruiser
600 HO IQ
600 HO Switchback
HO RMK
RMK 155
700 155 163
340
340 Transport
Supersport
550 LX
Trail Touring Deluxe
Trail RMK
Widetrak LX
550 IQ Shift
600 IQ Shift
IQ / 600 Dragon SP
600 IQ Shift 136
Switchback
Dragon Switchback
600 IQ Touring
600 RMK Shift 144/155
700 RMK 155
800 IQ
800 Dragon SP
800 Dra./Switch
800 RMK Shift
800 RMK Assault 146
800 RMK 155
800 Dragon RMK 155
800 Dragon RMK 163
600 Rush Pro Ride
550 IQ Shift
600 IQ Shift
600 IQ
600 LX
600 Switch/Dra.
600 IQ Touring
600 WideTrak IQ
800 IQ
800 IQ Dragon
800 Switch/Dra.
600 RMK 144
600 RMK 155
700 RMK 155
800 RMK 144
800 RMK 155
800 RMK Assault 146
800 Dra. RMK 155 / 163


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