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485M07000 Piston Kit Std for Suzuki RM250 1982-1985 70.00 mm

485M07000 Piston Kit Std for Suzuki RM250 1982-1985 70.00 mm

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Piston Kit for Wiseco 485M07000 Std for Suzuki RM250

This Wiseco 485M07000 standard bore piston kit is a 70.00 mm replacement top end assembly for the Suzuki RM250, built to restore compression and performance in 1982 through 1985 models.

Overview

The Wiseco 485M07000 Std Piston Kit for Suzuki RM250 delivers a 70.00 mm standard bore piston assembly engineered for two-stroke motocross engines. This piston kit includes the piston, rings, wrist pin, and circlips needed to refresh the top end of the RM250. Riders and mechanics rebuilding a 1982-1985 Suzuki RM250 will find this kit a direct-fit replacement for worn or damaged factory pistons.

Built For Performance

  • 70.00 mm standard bore size matched to the Suzuki RM250 cylinder
  • Forged aluminum construction for strength under high-rpm two-stroke loads
  • Complete kit includes piston, rings, wrist pin, and circlips
  • Designed to restore factory compression and throttle response
  • Precision-machined skirt and ring grooves for consistent sealing

Fits These Machines

  • for Suzuki RM250 1982
  • for Suzuki RM250 1983
  • for Suzuki RM250 1984
  • for Suzuki RM250 1985

On-The-Job Use

  • Top end rebuilds on 1982-1985 Suzuki RM250 motocross bikes
  • Restoring compression after piston or ring wear
  • Routine maintenance for vintage two-stroke race engines
  • Refresh builds where the cylinder remains at standard bore

Specs At A Glance

Part Number(s) 485M07000
Bore Size 70.00 mm
Bore Type Standard
Application Suzuki RM250 1982-1985

Good To Know

Q: Does this kit include rings and a wrist pin? A: Yes, this Wiseco piston kit ships as a complete top end assembly with the piston, rings, wrist pin, and circlips. Confirm bore size and cylinder condition before installation.

Q: Can I install this in a bored-over cylinder? A: This is a 70.00 mm standard bore piston and is intended for a stock bore cylinder. A cylinder that has been bored oversize requires a matching oversize piston instead.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.

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