Yanmar — Fuel tank draining
Maintenance
From a Yanmar service manual — check it applies to your exact model before use.
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Procedure
- Prepare a waste oil container
- Remove the drain plug of the fuel tank to drain water and dust from bottom
- Drain until fuel with no water and dust flows out
- Tighten the drain plug firmly
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.