The Carenzi Evolution crankshaft is a reinforced crankshaft for Minarelli Horizontal 50cc engines (air and liquid cooled), designed for medium-high level tuning. The chromed conrod reduces friction and ensures greater long-term durability, while the silver steel roller cage guarantees smoothness and wear resistance, ideal for racing use.

Technical specifications:

• Carenzi code: 090932A
• Conrod: 80 mm, chromed
• Pin: Ø 12 mm
• Stroke: 39.2 mm
• Full-shoulder half-shafts, to improve compression and engine efficiency
• Silver roller cage with high smoothness
• Balanced counterweights (identified by Carenzi's typical green colouring)
• European construction, tested for stable use at high rpm

Applications (Minarelli Horizontal AC/LC 50cc engine):

• Aprilia Area 51, Rally 50 AC/LC, Scarabeo 50 (Minarelli AC), Sonic 50 AC, SR 50
• Beta Ark 50 AC
• Malaguti Centro 50 AC, F10, F12 AC/LC, F15 Firefox
• MBK Mach G 50 AC/LC, Nitro 50, Ovetto
• Yamaha Aerox 50

Always check compatibility with your vehicle's owner manual before purchasing. Racing component: fitting requires specific technical skills.