Monthly Archives: September 2024

Ask The Editors: Yamaha Timberwolf Valve Specs

Yamaha Timberwolf 250 Valve Specs

The Yamaha Timberwolf 250. Dear ATVC: I have a Yamaha Timberwolf 250 and am wondering if anyone could tell me the proper timing & valve lash spec? From the service manual for the Timberwolf 250: Intake: 0.05mm~0.09mm (0.002″~0.004″) Exhaust: 0.11mm~0.15mm (0.004″~0.006″) These specifications apply to top dead center on the compression stroke. Be sure to… read more