755M05400 Wiseco Std Flat Top Piston Kit for Suzuki RM125 1990-2003 54.00 mm
755M05400 Wiseco Std Flat Top Piston Kit for Suzuki RM125 1990-2003 54.00 mm
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Wiseco 755M05400 Std Piston Kit (Flat Top) for Suzuki
This standard bore flat top piston kit for Suzuki RM125 models delivers a 54.00 mm forged replacement piston with rings, wrist pin, and circlips for a complete top end rebuild. It cross-references part number 755M05400.
Overview
This Wiseco piston kit for Suzuki RM125 motocross bikes is a forged flat top replacement built to original 54.00 mm standard bore dimensions. The kit is intended for riders performing a top end rebuild on 1990-2003 RM125 machines who want a durable forged piston instead of a cast original. Each kit arrives complete with piston, rings, wrist pin, and circlips to streamline the job.
Built For Performance
- Forged aluminum construction for higher strength than cast pistons
- Flat top crown matching the standard 54.00 mm bore profile
- Precision machined ring grooves for consistent ring seal
- Sold as a complete kit with rings, wrist pin, and circlips
- Standard bore sizing so no cylinder overbore is required
Fits These Machines
- for Suzuki RM125 1990
- for Suzuki RM125 1991
- for Suzuki RM125 1992
- for Suzuki RM125 1993
- for Suzuki RM125 1994
- for Suzuki RM125 1995
- for Suzuki RM125 1996
- for Suzuki RM125 1997
- for Suzuki RM125 1998
- for Suzuki RM125 1999
- for Suzuki RM125 2000
- for Suzuki RM125 2001
- for Suzuki RM125 2002
- for Suzuki RM125 2003
On-The-Job Use
- Top end rebuilds on RM125 motocross bikes
- Routine piston replacement after hours of race use
- Restoring compression on a worn 54.00 mm cylinder
- Off-road and track riding where forged durability matters
Specs At A Glance
| Part Number(s) | 755M05400 |
| Bore Size | 54.00 mm |
| Piston Type | Flat Top |
| Bore Category | Standard |
| Construction | Forged Aluminum |
Good To Know
Q: What comes in the kit? A: This kit includes the piston, ring set, wrist pin, and circlips needed for a top end rebuild. It is a complete replacement kit for a standard bore RM125 top end.
Q: Will this fit my RM125? A: It is intended for Suzuki RM125 models from 1990 through 2003 running a standard 54.00 mm bore. Confirm your piston size and model year before ordering.
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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