Yanmar 6LY2-STE — Fuel injection timing check and adjustment
Testing & diagnosis · Fuel injection pump
For the Yanmar 6LY2-STE, from the Yanmar service manual.
Applies to: Yanmar 6LY2-STE, Yanmar 6LY2-STE/6LY2A-STP/6LYA-STP engine
Procedure
- Remove high-pressure fuel pipe from fuel injection pump.
- Turn flywheel slowly by hand.
- Check fuel flow from delivery valve holder at specified timing.
- Check all cylinders.
- To advance timing, incline pump away from engine.
Specs & values
- 15°±1° bTDC for 6LY2-STE Amazon eBay $25.00 FridayParts $945.00/6LY2A-STP FridayParts $945.00
- 13°±1° bTDC for 6LYA-STP FridayParts $109.79
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.