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Product description
The Wiseco GP Series Top End Kit For Honda CR250 2005-2007 Standard is part of the latest collection from Wiseco.
Features:
- Electra-Coated crown, ring groove(s), and pin bores plus ArmorGlide® skirt coating for maximum wear resistance and protection from micro-welding, galling, and detonation
- Designed for endurance and sustained RPM 2-stroke riding
- Extra lightening operations for enhanced throttle response
- Engineered, forged and machined in the USA
- Kit includes piston(s), ring set, wrist pin(s), circlips, bearing(s) and gaskets Kit Includes: • GP Series Piston • 1x Ring • Wrist Pin • Circlips • Bearing • Gaskets
Specifications:
- Bore - Oversize Metric: Standard
- Bore - Oversize: Standard
- Bore Size: 66.40 mm
- Displacement: 249 cc
- Engine Type: 2-Stroke
- Model: GP Series
- Piston Diameter Metric: 66.35 mm
- Piston Diameter: 66.35 mm
- Piston Material: 4032 Aluminum Alloy
- Product Name: Piston with Gaskets Kit
- Skirt Coating: ArmorGlide®
- Stroke Length: 72.00 mm
To fit:
- HONDA CR 250 R 2005 European Models
- HONDA CR 250 R 2006 American Models
- HONDA CR 250 R 2006 European Models
- HONDA CR 250 R 2007 American Models
- HONDA CR 250 R 2007 European Models
- HONDA CR 250 R 2005 American Models
Manufacturer part number: PK1381
View all Wiseco. View all Parts and spares.
Contents
Your package will include the following:
- 1 X Wiseco GP Series Top End Kit For Honda CR250 2005-2007 Standard
To fit:
- HONDA CR 250 R 2005 American Models
- HONDA CR 250 R 2005 European Models
- HONDA CR 250 R 2006 American Models
- HONDA CR 250 R 2006 European Models
- HONDA CR 250 R 2007 American Models
- HONDA CR 250 R 2007 European Models

Wiseco is a renowned brand in motocross and enduro, specializing in high-performance parts. Their pistons, crankshafts, and engine parts are trusted by riders worldwide for durability and power enhancement. With a history of engineering excellence, Wiseco continues to provide top-notch products that push the limits of off-road motorcycle racing.
Product description
The Wiseco GP Series Top End Kit For Honda CR250 2005-2007 Standard is part of the latest collection from Wiseco.
Features:
- Electra-Coated crown, ring groove(s), and pin bores plus ArmorGlide® skirt coating for maximum wear resistance and protection from micro-welding, galling, and detonation
- Designed for endurance and sustained RPM 2-stroke riding
- Extra lightening operations for enhanced throttle response
- Engineered, forged and machined in the USA
- Kit includes piston(s), ring set, wrist pin(s), circlips, bearing(s) and gaskets Kit Includes: • GP Series Piston • 1x Ring • Wrist Pin • Circlips • Bearing • Gaskets
Specifications:
- Bore - Oversize Metric: Standard
- Bore - Oversize: Standard
- Bore Size: 66.40 mm
- Displacement: 249 cc
- Engine Type: 2-Stroke
- Model: GP Series
- Piston Diameter Metric: 66.35 mm
- Piston Diameter: 66.35 mm
- Piston Material: 4032 Aluminum Alloy
- Product Name: Piston with Gaskets Kit
- Skirt Coating: ArmorGlide®
- Stroke Length: 72.00 mm
To fit:
- HONDA CR 250 R 2005 European Models
- HONDA CR 250 R 2006 American Models
- HONDA CR 250 R 2006 European Models
- HONDA CR 250 R 2007 American Models
- HONDA CR 250 R 2007 European Models
- HONDA CR 250 R 2005 American Models
Manufacturer part number: PK1381
View all Wiseco. View all Parts and spares.
Contents
Your package will include the following:
- 1 X Wiseco GP Series Top End Kit For Honda CR250 2005-2007 Standard
To fit:
- HONDA CR 250 R 2005 American Models
- HONDA CR 250 R 2005 European Models
- HONDA CR 250 R 2006 American Models
- HONDA CR 250 R 2006 European Models
- HONDA CR 250 R 2007 American Models
- HONDA CR 250 R 2007 European Models

Wiseco is a renowned brand in motocross and enduro, specializing in high-performance parts. Their pistons, crankshafts, and engine parts are trusted by riders worldwide for durability and power enhancement. With a history of engineering excellence, Wiseco continues to provide top-notch products that push the limits of off-road motorcycle racing.































