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Installing this spring will lower the rpm at which the clutch engages. It makes pulling out much smoother and eliminates the "launch" from a dead stop. Very simple upgrade and well worth the money. Fits all year Vector, Rage, Venture, Nytro, Apex, Attak, Rx-1, RX Warrior, SR Viper

Soft Start Clutch Spring


    Yamaha 4 Stroke Snowmobile Specialists

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