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

The +0.25mm sizing indicates that these main bearings are designed for use on a crankshaft that has been machined down by 0.25mm. This is typically done to clean up wear or damage on the original crankshaft journals.

What is the XP series material used in these bearings?

The XP series material is a high-performance overlay developed by King Engine Bearings. It includes a specialized polymer coating designed to handle high loads and temperatures, making it suitable for performance engines.

Are these bearings a direct replacement for stock on all GSXR1000 models?

These are a +0.25mm undersize bearing set, meaning they are not a direct replacement for stock unless the crankshaft has been machined to this specific size. Always verify your crankshaft journal dimensions before ordering.

Specifications

Brand: King Engine Bearings
Part #: MB1333XP0.25-1
UPC: 611500622922

King Engine Bearings Suzuki Gsxr1000 (2005-2008 And 2012-2016) (Size +0.25mm) Main Bearing Set

Name: King Engine Bearings Suzuki Gsxr1000 (2005-2008 And 2012-2016) (Size +0.25mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-suzuki-gsxr1000-2005-2008-and-2012-201-t14-770234
Price: 7.86 USD
Availability: BackOrder

$7.86

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King Engine Bearings main bearing set for Suzuki GSXR1000. Size +0.25mm.

Key Features

This is a +0.25mm undersize main bearing set for Suzuki GSXR1000 motorcycles.
Designed for use with crankshafts that have been machined down by 0.25mm.
Features King's XP series material with a high-performance overlay and polymer coating.
Suitable for the 2005-2008 and 2012-2016 Suzuki GSXR1000 models.

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About this part

Product Details

If you're rebuilding the bottom end of your Suzuki GSXR1000 from 2005-2008 or 2012-2016, getting the main bearings right is crucial for engine health. These King Engine Bearings are a +0.25mm undersize set, meaning they're designed to be used when the crankshaft journals have been machined down by 0.25mm to clean up wear or damage. Proper bearing clearance is essential for oil flow and to prevent metal-on-metal contact, which can quickly destroy your engine.

King uses their XP series material for these bearings, which is a high-performance overlay with a specialized polymer coating. This combination is known for its ability to handle the high loads and temperatures found in performance engines like those in a GSXR1000. The +0.25mm sizing means these are intended for use after the crankshaft has been professionally ground and polished to that specific undersize. Always ensure your crankshaft journals are measured and confirmed to be within the specified tolerance for this bearing size before installation.