Kit Flywheel + Flywheel Puller for Polaris ATP Big Boss Magnum Scrambler Sportsman HO Worker 400 500 1997-2004 FF97Two flywheels exist for Polaris 500cc models. This flywheel has the code FF97 stamped on its back. In doubt, please refer to specifications. Introducing our newest heavy duty flywheel rotor for Polaris 500cc ATVs. Anyone who rides or repairs the Polaris 500cc ATVs is probably familiar with the flywheel problems common to these models. Most of these bikes will have at least one flywheel failure in their lifetime so far. Low quality epoxy was used on