To improve a starting clutch to dissolve a trouble occurring due to shortage in capacity of the clutch for a vehicle occurring when increase of an engine output and of an exhaust gas of an engine are increased.
The three clutch weights of the centrifugal clutch have respective same structures and the clutch weight consists of a five-piece set clutch weight constitution member 2A. Each clutch weight constitution member 2A consists of formed parts 2A3 and 2A5 formed by burning two kinds of sintered metal powder, different in specific gravity, and a formed part 2A5 separated from an inclining fulcrum is formed by burning sintered metal powder being high in specific gravity. This constitution sets such that the center of gravity of the clutch weight formed by assembling in a state that the clutch constitution members 2A are overlapped with each other is positioned on the tip part side of the weight.
NARITA MASAAKI
SHIGIHARA AKIRA
Nakamura Kun
Mitsuharu Oda
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