This 2Fast crankshaft features a 39.3mm stroke (origin) and an 85mm rod. It is originally designed to be mounted with the 2Fast cylinder, but can also be adapted to other 70cc cylinders available on the market.
Attention: For mounting the crankshaft, it is imperative to mill the engine crankshaft to let the crankshaft masses in.
Some technical data:
-Engine : Horizontal Minarelli (MBK Nitro / Aerox)
- Race: 39,3mm (origin)
- Ring : 85mm - Maneton 18mm
- Needle cage: 12x17x16mm (compatible with 13mm or 14mm axis with other 17mm external diameter cages)
- Engine crankcase milling: Mandatory
- Diameter of weights: 75mm
- Weight : 1470g
Gets on:
APRILIA EAA 51 LC
APRILIA GULLIVER 50
APRILIA SR NETSCAPER 50 LC
APRILIA RALLY 50 LC
APRILIA SR RACING 50 LC
APRILIA SONIC LC
APRILIA SR REPLICA LC
APRILIA SR STEALTH
BENELLI 491 SPORT LC
BENELLI K2 50 LC
BETA ARK 50 LC
BETA EIKON 50 LC
GARELLI GSP 50 LC
ITALJET DREAGSTER 50 LC
MALAGUTI F15 FIREFOX 50 LC
MALAGUTI F12 DIGIT KAT LC
MALAGUTI F12 PHATOM LC
MALAGUTI F12 R LC
MBK MACH G 50 LC
MBK NITRO 50 LC
YAMAHA AEROX 50 LC
YAMAHA JOGRR 50 LC