Wiseco Piston Kit .020, Yamaha 2 Cyl 55HP, 3 Cyl 75-90HP, Bore Size 3.248

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Yamaha 3 Cyl 55 85 90HP .020 Wiseco Piston Kit Loop Charge Bore Size 3.248 3131P2


  • Thousands of parts available: Outboard, PWC, Inboard, I/O, Powerheads, Gearcases, Outdrives. Call or email us with your requests.
  • Aftermarket yamaha 55 85 90HP .020 wiseco piston kit loop charge bore size 3.248.

Specification :

  • Bore-Standard: 3.228in
  • Bore-Actual: 3.248in
  • Bore-Oversize: .020in


  • Yamaha 90HP (1984-2003)
  • Yamaha 55HP (1992-1996)
  • Yamaha 85HP (1992-1993)

**Product may fit other models not listed here.

Make sure to check your serial numbers and know your motor's model year before ordering:

Important Note On Electrical Parts:
The manufacturer warranty protects you from defects in materials or workmanship but will not cover freight damage, broken solenoids, rust/corrosion/submersion, broken mounting flanges or shafts, cut wires or dismantled units, broken nose housings, units with date codes removed, or any unit showing misuse or altering of any kind. Any defective unit returns will be exchanged with the same part number ONLY. Units returned in working order are subject to a $25 bench test fee and will be returned at buyer's expense. Any part returned with cut wires is subject to a $30 service charge, defective or not.

Please be sure to read and understand all terms and conditions before buying.

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