13-YCK | Clutch Weight Conversion Kit to use Polaris style weights (except sidewinder and 2021 mtnMax)

Pro-MAG weights are an easily Adjustable weight forYamaha models. We have a variety of weight ranges to work for different horsepower ranges. They are Adjustable in 1.3 Gram increments so you can really fine tune your machine. There are three positions per Clutch arm from the heel to the tip so you can change how the weight is distributed in the arm.