What does the +0.25mm sizing mean for these bearings?

The +0.25mm sizing indicates that these bearings are designed for crankshaft journals that have been machined down by 0.25mm. This is a common practice during engine rebuilding to restore proper clearances when the original journals have wear or have been ground undersize.

What is the King XP overlay material?

King's XP overlay is a multi-layer bearing material. It combines lead-indium-tin with a proprietary overlay to help reduce friction and improve oil flow, contributing to better engine performance and longevity.

Which specific main bearing positions do these fit on the ZX-14?

This particular set is designed to fit the #2 and #4 main bearing positions on the Kawasaki ZX-14 engine.

King Engine Bearings Main Bearing Set MB1337XP0.25-2

Name: King Engine Bearings Kawasaki ZX-14 (2006-2011) #2/4 (Size +0.25mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-kawasaki-zx-14-2006-2011-2-4-size-0-25-t14-770275
Price: 12.44 USD
Availability: BackOrder

King Engine Bearings Kawasaki ZX-14 (2006-2011) #2/4 (Size +0.25mm) Main Bearing Set

$12.44

On Backorder

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King Engine Bearings Kawasaki ZX-14 (2006-2011) #2/4 (Size +0.25mm) Main Bearing Set

Key Features

This is a +0.25mm undersize main bearing set.
Designed for the #2 and #4 main bearing positions.
Features King's XP high-performance overlay material.
Built for Kawasaki ZX-14 models from 2006-2011.

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Product Details

This main bearing set from King Engine Bearings is built to the +0.25mm undersize specification, meaning it's designed to compensate for crankshaft journals that have been machined down by that amount during a rebuild. These bearings are specifically for the #2 and #4 main positions on Kawasaki ZX-14 models from 2006 to 2011.

King uses their XP high-performance overlay material, which is a multi-layer bearing material that includes a unique combination of lead-indium-tin and a proprietary overlay. This construction helps to reduce friction and improve oil flow, which is crucial for keeping your engine running smoothly and preventing premature wear, especially in high-performance applications. The +0.25mm sizing is important to note; ensure your crankshaft journals have been properly machined to this size before installation.

When rebuilding your Kawasaki ZX-14 engine, using bearings that are precisely sized and made with durable materials is key to a long-lasting build. This set is a solid option for ensuring proper main bearing clearance after machining.