ATV UTV Motorcycle Starter Rotor Assy For ATP500 BIG BOSS Scrambler 400 500 3085558 3086983 PTV The ATV UTV Motorcycle Starter Rotor Assy is a component designed to support starting performance in off-road vehicles.Made from steel, this rotor is built to endure conditions commonly encountered during off-road use.The roller is hardened and ground to enhance strength and , contributing to improved operational life. This starter rotor is engineered as a direct replacement for the unit, offering compatibility with various models including ATP500, BIG BOSS, and Scrambler 400 500 series, with part numbers 3085558, 3086983, and PTV.It fits select models from 1998 onward, providing a straightforward installation process for riders seeking a dependable replacement. Certified to ISO9001 standards, the product is manufactured under a quality management system to consistent performance.Suitable for use in ATVs, UTVs, and motorcycles, this starter rotor supports engine engagement whether in rugged terrain or regular. This is an aftermarket spare.Brand and model mentions do not imply manufacturer association.