Improved Capped Magneto FF97 Flywheel for Polaris Sportsman Scrambler Magnum 500 1997-2004 | 3086983 / 3087166 / 3085558

A Heavy Duty Flywheel to the rescue!

New RMSTATOR heavy-duty flywheel rotor for is a well-priced solution to problems with the OEM flywheel, and an excellent alternative to all the mechanical troubles you can encounter with a repair.

Features

Built to OEM size: Fits precisely in your ride: install it and forget it.

Improved epoxy: Uses high temperature epoxy that is stronger than OEM, eliminating the possibility of magnet detachment.

High grade steel capping: Prevents heat and friction from degrading the epoxy attaching the magnets. Though extremely unlikely, if a magnet did ever come loose, it would remain in the sleeve preventing contact with the stator.

Precise balancing: Eliminates crankshaft vibrations for longer engine longevity.

Shop with confidence: Two years warranty. All products are tested.

Don't waste time with temporary solutions, and start fixing your ride like a pro!

$USD 179.00
Availability: In stock
SKU
RM11512

Please Note: There are two possible flywheel for the ranger 500 series 11. This flywheel will only fit if it has been built after 08-09-2002. If your model has been built before this date you must use RMs120-106200.

We are aware our flywheel does not have timing marks on the outer diameter like the OEM part. We are in the process of adding these to our flywheel; they will be on all future production. Until our new production is available, if you need to adjust your timing, please line up our flywheel with your OEM, matching the woodruff keyway orientation. You can then add timing marks in the same location to our flywheel with a permanent marker or paint pen.



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Dimensions:

Exterior Diameter: 141 mm
Interior Diameter: 117 mm
Interior Diameter Center Housing: 25 mm
Exterior Diameter Center Housing: 23 mm

Before attempting to start your Polaris, adjusting the air gap is necessary. Rotate the flywheel so the raised node is lined up with the pick up/pulser coil and adjust as close as possible but no less than 0.010’’.

2 flywheels exist for Polaris 500 cc models. This flywheel has the code FF97 stamped on its back. If 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 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 epoxy fails allowing the magnets to come loose and contact the stator, potentially causing catastrophic damage.

For years, service shops & dealerships have offered low cost repairs for Polaris flywheels to save the 400$+ OEM replacement. This sounds like a great idea at first, but there are some serious issues!

The common repair is using JB Weld© Marine Blue Epoxy to reattach the loose original magnets, or to install new ones. Epoxy fixes do repair flywheels in short term, if they are done correctly. However, this kind of repair can easily cause immediate problems, and impact long term reliability of your ATV.



A Heavy Duty Flywheel to the rescue!

New RMSTATOR heavy-duty flywheel rotor for Polaris ATVs is a well-priced solution to problems with the OEM flywheel, and an excellent alternative to all the mechanical troubles you can encounter with a repair.

Features

  • Built to OEM size
    Fits precisely in your ride: install it and forget it.

  • Improved epoxy
    Uses high temperature epoxy that is stronger than OEM, eliminating the possibility of magnet detachment.

  • High grade steel capping
    Prevents harsh additives in motor oil from degrading the epoxy attaching the magnets. Though extremely unlikely, if a magnet did ever come loose, it would remain in the sleeve preventing contact with the stator.

  • Precise balancing
    Eliminates crankshaft vibrations for longer engine longevity.

  • Shop with confidence
    One year warranty. All products are tested.

Don't waste time with temporary solutions, and start fixing your ride like a pro!


Why cheap repairs won't work?

Quick stronger epoxy fixes do repair flywheels in short term. It might however impair long term performance and reliability of your ride.

Remaining OEM magnets:
Original magnets remaining can still come loose at any time.

Magnet alignment:
The alignment of magnets around the flywheel is critical for proper stator operation. Even very fine misalignment will reduce stator efficiency significantly.

Magnet spacing:
Excessive epoxy or incorrect magnet spacing around the flywheel can easily affect the flywheel balance. This can cause stator contact or even crankshaft damages.

Incorrect replacement magnets:
The magnetic field strength of new magnets MUST match the originals. Stator failure can occur quickly with stronger magnets and stator output can be decreased significantly using weaker magnets.

Wrong epoxy properties:
Epoxy that is not rated to permanently handle high temperatures and oil immersion can quickly cause a serious failure.

Oil contamination:
Wrong epoxy for the application can also contaminate the crankcase oil, damaging the motor.

All these reasons make us strongly recommend that you replace your broken flywheel with a new 400+ OEM one or our new heavy duty flywheel.

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