Athena Big Bore Crankshaft Kit

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:
a) Original: perfect replacement for the original crankshaft, but with improved balance and a lighter connecting rod. Each kit includes a special bearing cage.
b) Racing: available with hole for wrist pin of small end casing measuring 10mm or 12mm. 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.
c) Long Stroke Racing: same as the 12mm Racing crankshaft, but with longer stroke. This kit can be combined with Athena Long Stroke Racing cylinder kit, to increase cylinder capacity to 80cm3.

Description:

• Perfectly match the original
• High resistance to stresses
• Same or higher reliability compared to the original

Item Specs:

• Crank Radius (mm): 18.50
• Net Weight (Kg): 1.12
• Pivot Fly Wheel Diameter (mm): 20.00
• Pivot Fly Wheel Length (mm): 79.70
• Pivot Pulley Diameter (mm): 20.00
• Pivot Pulley Length (mm): 94.50
• Shoulder Width (mm): 38.00
• Small End Bearing (mm): 10x14x13
• Stroke (mm): 37.00

Brand: Athena
Part Number: S410130320005

Fitment:

• Yamaha Vino 50 YJ50 2001-2004
• Yamaha Vino Classic 50 YJ50RA 2002-2005
• Yamaha Zuma 50 YW50 2002-2005
• Yamaha Zuma 50 YW50 2008-2011
• Yamaha Zuma II 50 CW50 2013

Note: Image is for reference only, actual product may vary slightly.