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Motor oil for Yanmar Marine engines, LY series
All 4 engine variants of the Yanmar Marine engines, LY series take the same oils, so the selection below applies to every one of them.
Which viscosity does a Yanmar Marine engines, LY series need?
We cover 4 engine variants of the Yanmar Marine engines, LY series. The most commonly approved grades are 15W-40.
Which approvals does Yanmar require?
Yanmar publishes no approval of its own: what counts is the viscosity and the ACEA or API class in your owner's manual.
