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Yamaha Motor Revs Your Heart

OEM Casting and Forging

Crankshaft

Transforming the reciprocating motion of the pistons into rotational motion, the crankshaft is a vital part of the engine. Yamaha crankshafts offer high performance at low cost.

Crankshaft

Crankshaft

Heat Treatment
Gas soft-nitriding is used to apply nitrogen to the surface of medium- and high-carbon steel alloy, significantly improving fatigue strength and resistance to wear. The use of a continuous furnace also reduces the cost of the treatment.

Product category Motorcycles/Outboard Motors/Automobiles and Others
Forging method/
heat treatment
Gas soft-nitriding
Material S45C or equivalent
Used for Engines
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