ATHENA Yamaha Versus Competition 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. Specifications: - Center To Center (mm): 80.00 - Net Weight (Kg): 1.35 - 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): 37.95 - Small End Bearing (mm): 10x14x13 - Stroke (mm): 39.20 Vehicle compatibility: - APRILIA AMICO 50 cc 1996/1998 - APRILIA SR FINO 1994 MOT. VERT 50 cc - FANTIC PONY SR 50 cc - GARELLI BIG WHEEL 50 cc - ITALJET ASCOT 50 cc - ITALJET ASTRA 50 cc - ITALJET PISTA 2 YANKEE 50 cc 1995/1996 - ITALJET REPORTER 50 cc - ITALJET SCOOP 2/3 50 cc - KOTIR SR 50 cc - KTM CHRONO 50 cc - MBK BOOSTER CW 50 cc 1990/2002 - MBK BOOSTER CW L 50 cc 2001/2003 - MBK BOOSTER CW L SPIRIT 50 cc 2003 - MBK BOOSTER CW NAKED 50 cc 2003 - MBK BOOSTER CW R ROAD 50 cc 1994/1995 - MBK BOOSTER CW RS NG 50 cc 1995/2003 - MBK BOOSTER CW RS NG EURO1 50 cc 1999/2000 - MBK BOOSTER CW RSP ROCKET 50 cc 1997/1998 - MBK BOOSTER CW RSX TRACK 50 cc 1996/1998 - MBK BOOSTER CW SPIRIT 50 cc 1996/2000 - MBK BOOSTER CW SPIRIT EURO2 50 cc 2002/2003 - MBK BOOSTER CW SP SPIRIT EURO2 50 cc 2002 - MBK EW STUNT 50 cc 2000/2002 - YAMAHA BW´S 50 cc 2004/2015 - YAMAHA BW´S BUMP 50 cc 1997/1998 - YAMAHA BW´S EASY 50 cc 2013 - YAMAHA BW´S NAKED 50 cc 2003/2012 - YAMAHA BW´S NEXT GENERATION 50 cc 1997/2005 - YAMAHA BW´S NEXT GENERATION KAT 50 cc 1999/2000 - YAMAHA BW´S ORIGINAL / SPY 50 cc 1997/2002 - YAMAHA BW´S R 50 cc 2001 - YAMAHA CW BW´S ORIGINAL EURO2 50 cc 2002/2003 - YAMAHA CW L BW´S 50 cc 2003 - YAMAHA CW RS SPY 50 cc 1995/1998 - YAMAHA EW SLIDER 50 cc 2000/2002 - YAMAHA YW50 ZUMA 50 cc