Wiseco Piston Kit with Gasket for Yamaha YZ250F 2012-2013 PK1902
Part Number: 09031146WISECO
- SKU:
- 09031146
- MPN:
- PK1902
- Condition:
- New
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
Description
A piston kit is the foundation of reliable top-end performance, and the Wiseco PK1902 delivers the durability required for sustained high-RPM operation on your YZ250F. This complete kit eliminates guesswork by pairing a forged piston with matched rings, pins, and gaskets—all engineered to work as a system. Whether you're rebuilding after wear or upgrading for competition, Wiseco's precision manufacturing ensures you won't be left stranded mid-season.
The high-silicone forged construction reduces thermal expansion and resists detonation, critical factors in 2-stroke engines where reliability directly impacts race results. This kit is vehicle-specific to the 2012–2013 YZ250F, so fitment is guaranteed—just ensure your top-end machine work is clean before installation.
- Fits: Yamaha YZ250F 2012–2013
- MPN: PK1902
- Piston material: High-silicone forged
- Includes: Piston, rings, wrist pins
- Includes: Circlips, top-end gaskets
- Installation: Bolt-on top-end
- Ring compatibility: Wiseco rings only
- Application: 2-stroke performance
- Manufacturing: CNC precision-finished
Specs
DISPLACEMENT: |
250 CC |
PRODUCT NAME: |
REBUILD KIT |
TYPE: |
TOP END |
BORE - OVERSIZE: |
STANDARD |
BORE - OVERSIZE METRIC: |
STANDARD |
COMPRESSION RATIO IMPERIAL: |
13.5:1 |
ENGINE TYPE: |
4-STROKE |
PISTON DIAMETER METRIC: |
76.95 MM |
PISTON MATERIAL: |
2618 ALUMINUM ALLOY |
RIDING STYLE: |
OFF-ROAD |
SKIRT COATING: |
NON-COATED |
UNITS: |
KIT |
BORE SIZE METRIC: |
77.00 MM |
MODEL: |
FORGED SERIES |
STROKE LENGTH METRIC: |
53.60 MM |
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