EXHAUST VALVE GUIDE 03-19 YAMAHA WR YZ YFZ 450 KIBBLEWHITE 80-80230 65-940+000

Kibblewhite Exhaust Valve Guide for Yamaha WR, YZ, YFZ 450

This standard exhaust valve guide is expertly crafted from C674 manganese bronze, a material chosen for its balance of affordability and machinability. It is specifically designed for exhaust valve applications, ensuring optimal performance and durability in your Yamaha motorcycle or ATV.

Engineered to maintain precise KPMI® tolerances for fit and function, this valve guide provides a reliable connection for your exhaust valve assembly. While offering reduced wear resistance compared to C630 bronze, its design prioritizes ease of machining with standard tools, making installation and maintenance more straightforward.

Key Features:

• Constructed from durable C674 manganese bronze.
• Optimized for exhaust valve use.
• Standard outside diameter of 0.3957 inches (10.05 mm).
• Designed for easy machining with standard tools.
• Maintains precise KPMI® tolerances for accurate fit and function.

Specifications:

• Overall Diameter (G): 0.3957" (10.05 mm)
• Inner Diameter (A): 0.350" (8.89 mm)
• Outer Diameter (B): 0.385" (9.78 mm)
• Length (C): 0.510" (12.96 mm)
• Flange Diameter (D): 0.680" (17.28 mm)
• Flange Thickness (E): 0.430" (10.93 mm)
• Wall Thickness (F): 0.1961" (4.98 mm)

Part Numbers:

• Kibblewhite: 80-80230
• Also known as: 65-940+000