My Account
My Garage
Shopping Cart
MY GARAGE Select Vehicle
MY GARAGE

Wiseco BK5008 Main Bearing Kit (2) 20x52x15mm Powersports Crankshaft Bearings

(Honda CR125R 1979, CRF70F 2004-09, 2011-12, CRF50F 2004-09, 2011-12, XR50R 2000-03, XR70R 1997-2003; Kawasaki KX85 2001-25, KX65 2000-26 + 17 more models)

Manufacturer

Part Number

BK5008
Sale Price

$27.99

Estimated ship date Thursday, November 26

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Wiseco BK5008 is a two-piece crankshaft main bearing kit designed for powersports engines. Each kit includes two roller bearings measuring 20 x 52 x 15mm, providing a matched set for both the left and right sides of the crankshaft during a bottom-end rebuild.

Key Features:

  • Dimensions: 20mm bore x 52mm outer diameter x 15mm width
  • Kit Includes: Two (2) matched main bearings for complete crankshaft service
  • Case-hardened construction for maximum service life and smooth high-RPM operation
  • Manufactured to meet or exceed OEM specifications
  • Engineered for compatibility with Wiseco crankshafts and OEM crankshaft assemblies
  • Sourced from premium bearing suppliers to strict dimensional tolerances

Wiseco main bearing kits are a trusted choice for powersports engine bottom-end rebuilds, delivering the precision and durability needed to restore crankshaft performance. Compatible with a wide range of two-stroke powersports applications including motorcycles, ATVs, and off-road bikes.

Products specifications

Fits

Honda CR125R 1979, CRF70F 2004-09, 2011-12, CRF50F 2004-09, 2011-12, XR50R 2000-03, XR70R 1997-2003; Kawasaki KX85 2001-25, KX65 2000-26, KX125 1978-79, KX100 1998-2009, 2011-21, KX112 2022-25, KDX80 1983-88, KX60 1985-2003 + 12 more models

Product Type

Bearings

Prop 65

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Engine Type

ICE

Industry

Powersports

Out of Stock Message

Estimated Shipped Date 3-4 Weeks

EBAY Category ID

177964

Title

Wiseco Powersports Main Bearing Kit (2) 20 x 52 x 15mm

Title - Web

Wiseco Powersports Main Bearing Kit (2) 20 x 52 x 15mm

Easy to navigate Processing and shipping seemed to take awhile

Thanks!!!

ok, easy to use

first order was shipped very quick definite repeat customer

quick and easy so far

cheapest price

Share icon
Return Policy
Returns are easy at Autoplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy