Improved Capped Magneto FF97 Flywheel for Polaris Sportsman Scrambler Magnum 500 1997-2004 | 3086983 / 3087166 / 3085558Don't Repair. Replace like a pro! New Heavy Duty Flywheel Rotor Polaris ATV UTV Introducing our newest Heavy Duty Flywheel Rotor For Polaris ATV UTV. Anyone who rides or repairs the Polaris ATV UTV 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 OEM flywheels to secure the magnets to the rotor body. Over time and