The procedure features the subsequent: disassembling and suitable cleaning; bead blasting; good decking of cylinder heads; cleansing, regrounding, or changing valves; thorough inspection of all seats and guides; and correct reassembly ahead of packing and shipping back to the shopper. Also, Have a look at the gaskets within the oil https://marine-electronics-instal19524.uzblog.net/5-simple-statements-about-yamaha-outboard-lower-unit-repair-explained-45520636