Product description
The Wiseco Top End Piston Bearing For Yamaha XT 600 1988-1990 is part of the latest collection from Wiseco.
Features:
- Forged from high-silicone aluminum alloy for maximum strength and dependability
- High-quality bearings are manufactured to the highest standards; case-hardened for maximum life and smooth operation at high engine speeds
Specifications:
- Application: Piston
- Inside Diameter: 20 mm
- Length: 25 mm
- Material: Aluminum| Silicone
- Outside Diameter: 25 mm
- Product Name: Bearing
- Type: Top End
- Units: Each
To fit:
- YAMAHA XT 600 1988 European Models
- YAMAHA XT 600 1989 American Models
- YAMAHA XT 600 1989 European Models
- YAMAHA XT 600 1990 European Models
- YAMAHA XT 600 1988 American Models
Manufacturer part number: WB1023
View all Wiseco. View all Parts and spares.
Contents
Your package will include the following:
- 1 X Wiseco Top End Piston Bearing For Yamaha XT 600 1988-1990
To fit:
- YAMAHA XT 600 1988 American Models
- YAMAHA XT 600 1988 European Models
- YAMAHA XT 600 1989 American Models
- YAMAHA XT 600 1989 European Models
- YAMAHA XT 600 1990 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 Top End Piston Bearing For Yamaha XT 600 1988-1990 is part of the latest collection from Wiseco.
Features:
- Forged from high-silicone aluminum alloy for maximum strength and dependability
- High-quality bearings are manufactured to the highest standards; case-hardened for maximum life and smooth operation at high engine speeds
Specifications:
- Application: Piston
- Inside Diameter: 20 mm
- Length: 25 mm
- Material: Aluminum| Silicone
- Outside Diameter: 25 mm
- Product Name: Bearing
- Type: Top End
- Units: Each
To fit:
- YAMAHA XT 600 1988 European Models
- YAMAHA XT 600 1989 American Models
- YAMAHA XT 600 1989 European Models
- YAMAHA XT 600 1990 European Models
- YAMAHA XT 600 1988 American Models
Manufacturer part number: WB1023
View all Wiseco. View all Parts and spares.
Contents
Your package will include the following:
- 1 X Wiseco Top End Piston Bearing For Yamaha XT 600 1988-1990
To fit:
- YAMAHA XT 600 1988 American Models
- YAMAHA XT 600 1988 European Models
- YAMAHA XT 600 1989 American Models
- YAMAHA XT 600 1989 European Models
- YAMAHA XT 600 1990 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.































