Yanmar 6LY2-STE — Valve clearance adjustment
Adjustments · Cylinder head
For the Yanmar 6LY2-STE, from the Yanmar service manual.
Applies to: Yanmar 6LY2-STE, Yanmar 6LY2-STE/6LY2A-STP/6LYA-STP engine
Procedure
- Adjust when engine is cool.
- Measure intake clearance 0.1 mm and exhaust clearance 0.5 mm.
- Loosen lock nut and turn adjusting screw.
- Tighten lock nut.
- Recheck clearance.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Intake 0.1 mm
- Exhaust 0.5 mm
Full service-parts list: Yanmar 6LY2-STE →
Source: Yanmar service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.