Flywheel for Polaris Magnum 425 | Xplorer / Ranger 500 | Sportsman 335 / 400 / 500 | Worker 335 1995-2004 | # 3086857Don't Repair. Replace like a pro! New Heavy Duty Flywheel Rotor Polaris ATV UTV Introducing our newest Heavy Duty Flywheel Rotor For Polaris ATV UTVs. Anyone who rides or repairs Polaris ATV UTVs is probably familiar with the flywheel problems common to these models. Most of these machines will have at least one flywheel failure in their lifetime so far. Low quality epoxy was used on OEM flywheels to secure the magnets to the rotor body. Over time and