ATHENA Yamaha YZ 85 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: - Perfectly match the original - High resistance to stresses - Same or higher reliability compared to the original Specifications: - Big End Bearing (mm): 20x26x13,8 - Big End Bore (mm): 20.00 - Big End Width (mm): 14.00 - Center To Center (mm): 95.95 - Crank Radius (mm): 23.90 - Net Weight (Kg): 1.64 - 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): 47.80 - Washer Thickness (mm): 20.00 Vehicle compatibility: - YAMAHA YZ 85 cc 2002/2018