Overhauled. All gasket surfaces, oil seal lips, and O-rings must be cleaned.Ģ. Properly oil all mating parts and bearings during reassembly. We recommend using genuine Yamaha parts for all replacements. Use oil and grease recommended by Yamaha for assembly and adjustments.ġ. All gaskets, seals, and O-rings should be replaced when an engine is Ing bolts, nuts, and screws, start with those that have larger diameters, and proceed from the inside to the outside in a crisscross pattern. Trays in the order of disassembly. This will speed up assembly time and help ensure that all parts are reinstalled correctly.ĥ. Keep all parts away from any source of fire.Ħ. Be sure to keep to the tightening torque specifications. Includes gears, cylinders, pistons, and other parts that have been “mated” through normal wear. Mated parts must be reused or replaced as an assembly.Ĥ. During disassembly of the machine, clean all parts and place them in While cleaning, take care to protect the electrical parts, such as relays, switches, motor, resistors, controllers, etc., from high pressure water splashes.Ģ. Use proper tools and cleaning equipment.ģ. When disassembling the machine, keep mated parts together. This 1. Remove all dirt, mud, dust, and foreign material before removal andĭisassembly.

Yamaha engine serial numbers