Athena Big Bore Stroker Kit

• Product Details

  Athena offers a wide range of cylinder kits for off-road bikes with diameters and portings completely re-designed as original spare parts and/or specific boost to be used on tracks. In particular, racing kits consist of lighter pistons with a flat head, special portings, an exhaust bridge, and a new cylinder head designed to increase the compression ratio and improve internal combustion. For specific bike models, Athena also supplies special long stroke Racing kits complete with crankshafts and reinforced connecting rods.

  • Specially designed, high-performance forged piston.
  • Made from 2618 silicium - the same material used to produce Formula 1 pistons.
  • Piston uses 3% copper in materials for better heat resistance.
  • All pistons are forged using a precision heat-treatment process that allows for production tolerances of just 0.005 mm.
  • Forged piston tooling allows for the lightest available product.
  • Piston is sold complete with rings, wrist pins and circlips.
  • All gaskets made from the highest quality materials.
  • Head gaskets feature rubber-coated spring steel construction.
  • Soft steel base gaskets are rubber coated.
  • Steel core materials feature high spring-back and superior tensile strength.
  • Revolutionary transparent coating guarantees a perfect seal even at extremely high temperatures.
  • High-temperature blue silicone beading on most critical flat gaskets.
  • All gasket sets meet or exceed O.E.M. specifications.
  • The included cylinder / cylinder head in the Athena Big Bore Stroker kit is constructed out of aluminum with a galvanic coating to increase durability.
  • The cylinder water jets have been widened for a higher flow rate, keeping the cylinder cool.
  • Another great feature of the Athena Big Bore Stroker kit is that it bolts on with no machining needed, and includes easy-to-follow step-by-step installation instructions.
  • The Athena Big Bore Stroker Kit includes: cylinder, cylinder head, complete long stroke crankshaft assembly, forged piston, ring(s), pin, clips, new cylinder studs, and a complete big bore gasket kit.
  • Notes: Image is for display purposes ONLY and may not represent actual product.

  Additional Specification:

  • 112 cc big bore stroker kit.
  • 5.50 mm oversize to 53.00 mm bore.

  Note:

  All Athena products, which are manufactured with higher displacement and power than those permitted by law of the country where the end user lives, are intended solely for competition-sports usage.

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• Fitment

• # Part Numbers

  Product Variant	Manufacturer Part #
  112cc Athena Big Bore Stroker Kit	P400485100039

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