VALVE GUIDE EXHAUST YZF250 01-, KIBBLEWHITE 80-80090, WRF250 01-13 YAMAHA

This standard exhaust valve guide is made from C674 manganese bronze and is designed for Yamaha WR250F and YZ250F models from 2001 to 2013. Developed for price-conscious engine builders, it offers ease of machining while maintaining precise KPMI® tolerances. With a standard outside diameter of 0.3958″, it is suitable for exhaust valve use in high-performance applications.

Features

• Made from C674 manganese bronze

• Designed for exhaust valve applications

• Standard guide diameter: 0.3958″

• Easily reamed and honed using basic tools

• Maintains precise KPMI® manufacturing tolerances

Specifications

• A: 0.405″ (10.29 mm)

• B: 0.430″ (10.93 mm)

• C: 0.590″ (14.99 mm)

• D: 0.790″ (20.08 mm)

• E: 0.440″ (11.18 mm)

• F: 0.1760″ (4.48 mm)

• G: 0.3958″ (10.06 mm)

Cross-Reference OEM Part Numbers

• Part No. 65-936+000

• Kibblewhite #80-80090

Vehicle Fitments

• Yamaha WR250F 2001–2013

• Yamaha YZ250F 2001–2013