ATHENA Yamaha YZ85 112 cc Crankshaft

Athena’s crankshaft are made of premium materials combined with the latest production technology. Designed for top-performance engines, they ensure maximum performance with high-powered engines in situation of greater stress. These products are also suitable for tuned-up engines and ensure maximum performance that lasts over time. Athena offers the following range of crankshafts: - Original: perfect replacement for the original crankshaft, but with improved balance and a lighter connecting rod. Each kit includes a special bearing cage. - Racing: available with hole for wrist pin of small end casing measuring Ø10mm or Ø12mm. Available with a lighter crankshaft and special bearing cages. Differs from the Original Kit for its solid crank shaft handles, made entirely by milling to reduce the volume of the crank handle case. - Long Stroke Racing: same as the Ø12mm Racing crankshaft, but with longer stroke. This kit can be combined with Athena Long Stroke Racing cylinder kit, to increase cylinder capacity to 80cm3. Features: - Maximization of performances - Resistance to extreme stress - Perfectly match the original Specifications: - Big End Bore (mm): 20.00 - Big End Width (mm): 14.00 - Center To Center (mm): 97.60 - Crank Radius (mm): 25.55 - Net Weight (Kg): 1.78 - Piston Pin Diameter (mm): 18.00 - Pivot Fly Wheel Diameter (mm): 20.00 - Pivot Fly Wheel Length (mm): 61.00 - Pivot Pulley Diameter (mm): 20.00 - Pivot Pulley Length (mm): 52.50 - Shoulder Width (mm): 45.00 - Small End Width (mm): 14.00 - Stroke (mm): 51.10 - Washer Thickness (mm): 20.00