Views: 9 Author: Site Editor Publish Time: 2025-11-04 Origin: Site
What is valve clearance?
The gap between the valve stem and rocker arm (or tappet) when the valve is fully closed.
Why adjust it?
· Ensure proper sealing of combustion chamber.
· Prevent power loss and overheating.
· Reduce wear and noise from valve train components.
When to adjust?
· As specified in the engine manual (e.g., every 500 hours).
· If unusual valve train noise occurs.
· After valve service or engine overheating.
· During routine maintenance checks.
