Suitable for Yanmar Marine engines, LY series 6LY2A-STP

For the Yanmar Marine engines, LY series 6LY2A-STP, the manufacturer specifies motor oil 15W-40 (ACEA A3/B4, ACEA E7, API CI-4).

Fluids and approvals for the Yanmar Marine engines, LY series 6LY2A-STP

FluidRequirement
Motor oil15W-40: ACEA A3/B4, ACEA E7, API CI-4
Coolant & antifreezeG11