Yanmar — Lube oil and lube oil filter replacement
Maintenance · Lubrication system
From a Yanmar service manual — check it applies to your exact model before use.
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Before you start
- When engine is still hot, be careful with a splash of engine oil which may cause burns
Procedure
- Prepare a waste oil container collecting waste oil
- Remove the oil filler cap to drain easily
- Loosen the drain plug using a wrench to drain the lube oil
- Securely tighten the drain plug after draining
- Turn the lube oil filter counter-clockwise with a filter wrench to remove
- Clean the mounting face of the oil filter
- Moisten the new oil filter gasket with engine oil and install hand tight
- Tighten further to 3/4 of a turn with the filter wrench
- Fill with new engine oil till specified level
- Warm up the engine by running for 5 minutes checking oil leakage
- Stop engine, wait about 10 minutes, recheck level and replenish
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Oil filter tightening torque: 20~24 N·m (2.0~2.4 kgf-m)
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.