Description
The Wiseco Top End Bearing B1074 is engineered to OEM specifications for superior performance and durability. Manufactured to the highest standards and case-hardened for maximum life, this 22 x 27 x 22.8mm bearing ensures smooth operation at high engine speeds. Ideal for two-stroke engine top end rebuilds, Wiseco bearings are produced by leading bearing suppliers and thoroughly inspected for quality.
Fits select Yamaha models including GP 800, GP 1200 R, GP 1300 R, XL 800, XL 1200, and XLT 800.
Features:
- Precision-made for exact fit
- Case-hardened for longevity
- Smooth and reliable performance at high RPMs





 
		 
		 
		
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