What is a top-end bearing and why is it important for a rebuild?

A top-end bearing is a small but critical component in the engine's cylinder head area. It helps reduce friction and wear between moving parts, ensuring smooth operation. Replacing it during a top-end rebuild is essential for engine longevity and performance.

Are these bearings made by Wiseco directly?

Wiseco partners with leading bearing suppliers to manufacture these top-end bearings. They are then inspected for quality by Wiseco to ensure they meet their standards.

What does 'Prop 65' mean for this part?

Prop 65 refers to California's Proposition 65, which requires warnings for products that may contain chemicals known to the state to cause cancer or reproductive harm. This warning is for informational purposes and does not indicate a product safety issue.

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Specifications

Brand: Wiseco
Part #: B1043
UPC: 193564104649

Wiseco 12 x 16 x 14.8mm Top End Bearing

Name: Wiseco 12 x 16 x 14.8mm Top End Bearing
Brand: Wiseco
Price: 23.54 USD
Availability: InStock

$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.

Fits Kawasaki KX60. Wiseco 12 x 16 x 14.8mm Top End Bearing. Essential for two-stroke top-end rebuilds.

Key Features

Fits 1985-2003 Kawasaki KX60, 2000-2022 Kawasaki KX65, 2003 Suzuki RM60, 2003-2006 Suzuki RM65, and 1981-1983 Yamaha YZ80.
Precision manufactured by leading bearing suppliers.
Inspected for quality.
A must for every two-stroke top-end rebuild.

⚠️ 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

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Will this fit your vehicle?

Product Details

Wiseco is well-known for making forged two-stroke pistons, so they understand how important the right top-end bearings are for a solid rebuild. This 12 x 16 x 14.8mm top-end bearing is a must-have for any two-stroke top-end rebuild on compatible models.

These bearings are precision manufactured by leading bearing suppliers and then inspected for quality. This ensures you're getting a well-built part that will perform as expected when you're putting your engine back together.