Flywheel for Polaris Ranger / RZR / Sportsman 700 800 EFI 2004-2012 | OEM# 4011981 4010912 2208144Don'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