Kit Flywheel + Stator + Puller for Polaris 400 L | Big Boss / Xpress 400 L | Sportsman 400 | Xplorer 400 400L 1994-2002Brand new aftermarket Flywheel + Flywheel Puller Kit Introducing our newest heavy duty flywheel rotor for Polaris 400cc ATVs. Anyone who rides or repairs a Polaris 400cc ATV's 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 many heat cycles, the