What are the exact dimensions of this Wiseco top end bearing?

This Wiseco top end bearing has precise measurements of 20mm for the inner diameter, 25mm for the outer diameter, and 24.8mm for the width. These dimensions are critical for proper fitment within the engine assembly.

What makes this bearing important for a two-stroke rebuild?

In a two-stroke engine's top end, this bearing is crucial for reducing friction and supporting the crankshaft or connecting rod. A well-functioning bearing ensures smooth rotation and helps prevent premature wear in a high-performance environment.

Are there any specific tools needed for installing this bearing?

Installation of a top end bearing typically requires specialized tools for proper seating and removal of the old bearing. It is recommended to consult the service manual for your specific vehicle for the correct procedures and required tools.

Wiseco Top End Bearing 20x25x24.8mm B1023

Name: Wiseco 20 x 25 x 24.8mm Top End Bearing
Brand: Wiseco
Price: 23.54 USD
Availability: InStock

Wiseco 20 x 25 x 24.8mm Top End Bearing

$23.54

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Wiseco 20x25x24.8mm Top End Bearing. Essential for two-stroke top-end rebuilds.

Key Features

Fits 37+ vehicle make/model combinations.
Bearing dimensions are 20mm x 25mm x 24.8mm.
Manufactured by leading bearing suppliers.
Inspected for quality assurance.
Essential component for two-stroke top-end rebuilds.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

Secure CheckoutFast Shipping631-982-0042

Will this fit your vehicle?

Product Details

When you're diving into a two-stroke top-end rebuild, getting the right bearings is key. This Wiseco top end bearing, measuring 20mm x 25mm x 24.8mm, is a critical component for ensuring smooth operation and longevity in the engine's upper section. Wiseco, known for their forged pistons, understands the importance of these small but vital parts.

These bearings are manufactured by leading suppliers and go through inspections to ensure they meet quality standards. Having a well-built bearing here helps maintain proper clearance and reduces friction, which is crucial for the high-revving nature of many two-stroke engines. It's a necessary part for anyone looking to properly rebuild the top end of their compatible watercraft or snowmobile.

This bearing is designed to fit a wide range of vehicles, including popular models like the Honda FL400R Pilot, Kawasaki JT900 900STX, and Yamaha VX600 VMAX 600. Make sure to check the full fitment list to confirm it's the right part for your specific machine.