What are the dimensions of the bearings included in this kit?

This kit includes two main bearings. One measures 20x47x14mm and the other measures 20x52x15mm.

Where are these bearings manufactured?

Wiseco sources these bearings from many of the same suppliers that provide parts to Original Equipment Manufacturers, including leading Japanese companies.

Wiseco 20x47x14 & 20x52x15mm Main Bearing Kit

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Specifications

Brand: Wiseco
Part #: BK5015
UPC: 193564103840

Wiseco 20x47x14 & 20x52x15mm Main Bearing Kit

Name: Wiseco 20x47x14 & 20x52x15mm Main Bearing Kit
Brand: Wiseco
Price: 29.40 USD
Availability: InStock

$29.40

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Fits 1983-2001 Yamaha YZ80. Wiseco Main Bearing Kit (20x47x14mm & 20x52x15mm) for reliable engine service.

Key Features

Fits 1983-2001 Yamaha YZ80, 1974-1977 Kawasaki KX125, 1986-1988 Suzuki RM80, and 2002-2019 Yamaha YZ85.
Includes main bearings with dimensions of 20x47x14mm and 20x52x15mm.
Manufactured by the same suppliers used by OEMs, including leading Japanese manufacturers.
Precision machined and finished with high-quality materials.
Inspected for accuracy, function, and cleanliness for reliable engine service.

⚠️ 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 known for making well-built performance engine components, and this main bearing kit is no exception. If you're rebuilding the engine on your 1983-2001 Yamaha YZ80, or one of the other compatible models, these bearings are a solid choice for getting your machine back on the trail with reliable performance.

These main bearings are made by many of the same suppliers that produce parts for Original Equipment Manufacturers, including leading Japanese companies. Each bearing is carefully inspected for accuracy, proper function, and cleanliness to ensure they will perform efficiently and reliably once installed in your engine. The precision machining and quality materials mean they're built to last.