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Parts Unlimited OEM-Type Piston Assembly - 77.25mm Bore - 09-728

  • Part #: 131150S
  • Manufacturer Part #: 09-728
Our Price: $51.95
10 on Hand

Overview of Parts Unlimited OEM-Type Piston Assembly - 77.25mm Bore - 09-728

  • Dennis Kirk has high-quality, OEM-type piston assemblies to fit most popular snowmobiles
  • These pistons more closely match the original equipment in ring design, construction and weight than our other aftermarket pistons
  • Its not necessary to replace both pistons in a twin-cylinder engine if you need only one
  • All piston assemblies include rings(s), wrist pin and circlips


  • Bore Size: 77.25mm/Standard
    Replacement Ring Set: 131150SR
    Replacement Circlips: 14420

    NOTE: Dennis Kirk recommends the following preliminary work to be performed by a qualified mechanic prior to installing new pistons. If the old piston has failed, determine the cause and remedy the problem before replacing. Air leaks and/or a lean fuel mixture are the two biggest causes of burned pistons. In cases where any part of the old piston is broken or burned through, the crankcase should be disassembled and thoroughly flushed of any debris.

    Our pistons, rings and kits are sold by application and bore size. Please note that STANDARD and OVERSIZES are not indicated. To get the correct part, you must know the standard bore size to make sure you are ordering either the standard or correct amount of oversize that you need. If you have any questions, please call Technical Service.

Specs for Parts Unlimited OEM-Type Piston Assembly - 77.25mm Bore - 09-728

Bore Size 77.25 mm
Type Piston Assembly
Type - Pistons & Piston Rings Piston w/Ring Set
Units Each
Weight 1.06 lbs

Specs for Parts Unlimited OEM-Type Piston Assembly - 77.25mm Bore - 09-728

Bore Size 77.25 mm
Type Piston Assembly
Type - Pistons & Piston Rings Piston w/Ring Set
Units Each
Weight 1.06 lbs

Fitment for Parts Unlimited OEM-Type Piston Assembly - 77.25mm Bore - 09-728

See if this part fits your ride

Part 131150S fits the following machines

Polaris
  • 2003 Polaris Indy 600 Classic Touring
  • 2002 Polaris Indy 600 Classic Touring
  • 2001 Polaris Indy 600 Classic Touring
  • 2001 Polaris Indy XC 600 SP
  • 2000 Polaris Indy XC 600 SP EDGE
  • 2003 Polaris RMK 600
  • 2003 Polaris XC 600 SP
  • 2002 Polaris XC 600 SP

OEM-Type Piston Assembly - 77.25mm Bore - 09-728

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Instructions and Manuals for Parts Unlimited OEM-Type Piston Assembly - 77.25mm Bore - 09-728