Engine: 3YM20. Part No.: 719515-92621. Application: For Yanmar Boat Marine Engine Upper Lower Set. Performance: Application Engine parts Engine complete gasket set performance resistance to corrosion, heat and oil Seal. Reasonable balance of strength and weight.. WARM TIPS: A new car, usually it will be developed overhaul package after three years. The early stage of automotive overhaul, Materials of overhaul package be recommended , because this way can let the Engine run longer; the latter part of the overhaul,graphite Material overhaul package or other Materials package be recommended, which is more favorable to Engine seal..
