Engine & Components

  • Top End Gasket Kit, 93mm Bore, .018″ MLS Cylinder Head Gasket

    Big bore GASKET KIT  for 650/800 based engines.

    MLS (Muti Layer Steel) Cometic head gaskets and steel base gaskets, OEM paper base gaskets are recommended as the steel base gaskets require the surface to be perfect.

  • New aftermarket 91mm bore piston and cylinder kit with gaskets rings wrist pins and circlips 10.5:1 compression ratio This is a ready to bolt on kit Fits: Commander 1000 ATV 1000/1000R Defender HD10 and DH9 Maverick Sport 1000 Please note this kit will not fit the SXS 1000R due to the lower compression ratio. No dowel pins included, you will need to transfer these from your engine Replaces OEM Part Numbers: 420685242 420685248 420623568 420623566 420630210 420245436 420216351 420685244 420296774
  • NEW OEM Idle Gear Oil Seal Part number 420430555
  • OUT OF STOCK
    NEW OEM BRP Rotax Engine. 2016+ ATV 850 Vtwin 78 horsepower@ 7300 RPM, 94mm bore, 61.5mm stroke, 10.5:1 compression ratio. The 850 will have the larger valves when compared to the 800R, these were first seen in the 2013 1000R maverick engine, these are 36.5mm and 31mm respectively. This is new, not rebuilt. It will ship as pictured. No electronics included, you will need to transfer over your parts. Shipped with signature required.

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