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Malossi Torque Spring Yamaha Zuma Dr. Pulley Includes two spring rates of

Description

Includes two spring rates of 15

and PHBL carburetors

Yamaha C3 4T

Yamaha Aerox 50cc

Malossi Torque Spring Yamaha Zuma Dr. Pulley Includes two spring rates ofA variable speed drive adjuster spring from Malossi. Made from silicon steel with high carbon content, it has been heat treated, dynamically balanced, and kiln painted. Tuning the Contra Spring or sometimes referred to as a Torque Spring is very important in a modified two stroke engine. The Torque Spring controls how the variator belt changes gear ratios. Applications Minarelli type engines Yamaha Zuma 50 Aprilia SR50 Malaguti F12 Phantom LC Honda

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