VALVE INTAKE YAM XS 650 70-83, 80-80380, YAMAHA, KIBBLEWHITE, ROAD
VALVE INTAKE YAM XS 650 70-83, 80-80380, YAMAHA, KIBBLEWHITE, ROAD
This Black Diamond™ Stainless Steel Intake Valve is designed for Yamaha® XS™ 650 models from 1970 to 1983. Made from a lightweight, one-piece forging and treated with a black nitrided surface, it offers superior wear resistance, reduced friction, and improved corrosion protection. Each valve is engineered using Finite Element Analysis and flow bench tested for reliable intake performance and durability in vintage engine applications.
Features
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Manufactured from Black Diamond™ Stainless Steel
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Black nitrided treatment for enhanced wear resistance and corrosion protection
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One-piece forging for strength and reliability
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Designed using Finite Element Analysis (FEA)
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Flow-optimised profiles tested on computerised flow bench
Specifications
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Head Diameter: 41.00mm
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Stem Diameter: 7.99mm
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Overall Length (OL): 104.27mm
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Standard size
Cross-Reference OEM Part Numbers
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Kibblewhite Part No. 80-80380
Vehicle Fitments
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Yamaha XS 650 1970–1983