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Wiseco BK5036 Main Bearing Kit (2) 30 x 64 x 16mm Crankshaft Bearings

(2001-2025 Yamaha YZ250F; 2015-2025 Yamaha YZ250FX; 2001-2025 Yamaha WR250F; 2021-2022 Yamaha YZ250F Monster Energy Yamaha Racing Edition + 2 more models)

Part of: Wiseco Pistons Main Bearing Kit Crankshaft Bearings

Other options in this family: Wiseco Pistons BK5028 Wiseco Pistons BK5030 Wiseco Pistons BK5008 Wiseco Pistons BK5004 Wiseco Pistons BK5041

Manufacturer

Picture for manufacturer Wiseco Pistons

Part Number

BK5036
7 reviews
Sale Price

$134.99

Estimated ship date Thursday, November 26

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Product Details

The Wiseco BK5036 is a crankshaft main bearing kit designed for powersports engine bottom-end rebuilds. This kit includes two (2) precision roller bearings measuring 30 x 64 x 16mm, engineered to restore reliable crankshaft support and smooth high-RPM operation.

Key Features:

  • Kit includes: Two (2) main bearings — 30mm inner diameter, 64mm outer diameter, 16mm width
  • Case-hardened construction for maximum service life and durability under high-RPM stress
  • Manufactured by OEM-grade suppliers, including leading Japanese bearing manufacturers
  • Inspected for dimensional accuracy, function, and cleanliness
  • Engineered for compatibility with Wiseco crankshafts and OEM crankshaft assemblies
  • Meets or exceeds OEM specifications

Wiseco's main bearing kits are a trusted solution for two-stroke and four-stroke powersports engine rebuilds. Whether restoring a motocross bike, off-road machine, or other powersports engine, the BK5036 delivers the precision and quality needed for dependable bottom-end performance.

Products specifications

Fits

2001-2025 Yamaha YZ250F; 2015-2025 Yamaha YZ250FX; 2001-2025 Yamaha WR250F; 2021-2022 Yamaha YZ250F Monster Energy Yamaha Racing Edition; 2013-2015 Gas Gas EC 250F; 2013-2015 Gas Gas EC 300F

everything went smooth and well

Great price expeditiously shipped

No issues w/the order... shipped quickly and parts arrive in undamaged/perfect condition...

if i do receive it in a timely matter it will be a great experience

Great price fast shipping

Easy & quick

I've ordered the wrong part and the link I received to start a return has not been working, I need help please the faster I can return this the faster I can order the proper part, I have 52204b2 and I need 52213b2 Thank you 4694323090

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