Description
The Wiseco B1000 top end bearing delivers the precision fit and durability your KFX50 needs to handle consistent high-RPM performance. Factory OEM bearings wear quickly under aggressive riding or racing conditions—this replacement maintains the tight tolerances required for smooth piston pin operation and extends engine life. Whether you’re rebuilding after wear or upgrading before a racing season, Wiseco’s case-hardened construction ensures reliable performance across countless heat cycles.
- Fits: Kawasaki KFX50 (2003–2009)
- Dimensions: 12x16x15.8mm
- Material: High-silicon aluminum alloy
- Case-hardened finish
- Lightweight design
- Reduces engine load
- Optimized for elevated RPMs
- Racing and recreational use
- Bolt-on replacement
- OEM-equivalent fitment
- MPN: B1000
