Kit Stator + Mitsubishi Flywheel for Aprilia RSV4 1000 R Factory 2009-12 (up to 3413)| Tuono V4 2011 2012 | OEM # 857201

CAD$ 444.00
Availability: In stock

Please Note :This kit is compatible with RSV4 that have an engine number equal or lower than 3413, otherwise you will need RMS900-103848. In rare occasion this kit will work with Tuono V4.

This kit includes a MITSUBISHI flywheel !!

Please compare your original parts to our photos before buying.

Battery condition is extremely important. No stator can work correctly with a bad or weak battery. Always fully charge your battery before performing any charging system tests or replacing parts. If there is any doubt, have the battery load tested or replaced.


Generator Stator Dimensions :
Interior diameter : 42 mm
Exterior diameter : 105 mm
Thickness : 17 mm
Length of wires stator to grommet : 90 mm
Length of wires grommet to plug : 300 mm

Other specifications :
Number of wires : 3
Number of plugs : 1
Number of pins : 3

Wire to wire resistance :
Alternator : Between each White = 0.4 ohms +/-20%

Flywheel Dimensions:
Exterior Diameter: 115 mm
Interior Diameter: 108 mm
Interior Diameter Center Housing: 16 mm
Exterior Diameter Center Housing: 24 mm
Thickness (exterior): 30 mm
Thickness (interior): 33 mm


Before installing your new stator

  • Check the AC output of the stator
  • Replace any burned or corroded connectors on stator and regulator/rectifier
  • Check and repair any melted wiring
  • Use hi-temp dielectric grease on all connectors

Our stator may use a different wire color code than your original.
All the wires are installed in the correct order; please do not change any of the wiring configurations.
This stator is designed as a direct plug-in replacement and should be used as such.
When bolting stator in, always use locking compound.
If our stator includes a pickup coil, always make sure the air gap is correct upon installation; we suggest as close as possible no less than 0.010".


Before attempting to start your Aprilia, 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".

Brand New kit Flywheel + Generator Stator

Brand new aftermarket stator
  • Direct replacement to your original unit
  • Plug-and-play, direct fit, easy installation
  • Highest grade of lamination materials
  • Highest grade of copper winding, resistant to 200 degrees Celsius
  • Connector included
  • Rubber grommet included
  • All shipped products are tested

We have even included the opposite connector (main harness side) as we know these are often melted/corroded/defective and a major cause for repetitive electrical issues.

Brand new Magneto Flywheel Rotor
  • All products are tested

All item pictures are accurate; if in doubt, do not hesitate to compare our item to your original part

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