Fits 05-07 Kawasaki Brute Force 750 4X4 This new sport-oriented clutch kit for the more powerful new Brute Force 4x4 offers improved acceleration and throttle response. Increased belt grip offers a more usable high range at lower speeds. This kit contains a “mass adjustable” flyweight system making it flexible for clutch tuning. The flyweights' total mass and location of mass can be adjusted by means of removable rivets. Instructions are included, complete with a baseline setup for both stock and oversized tires.