Here is the 2FAST crankshaft specially designed for motorizations from 86 to 94cc.
Balancing and weight distribution are optimized to achieve the best performance with the 86cc or 94cc 2Fast cylinder and exhaust.
This 2Fast crankshaft features a 44mm stroke and a 90mm rod. It is originally designed to be mounted with the 2Fast cylinder, but can also be adapted to other racing cylinders available on the market.
Attention, For mounting the crankshaft, it is imperative to mill the crankshaft motor to let the crankshaft masses in.
Some technical data:
-Engine : Horizontal Minarelli (MBK Nitro / Aerox)
- Race : 44mm (origin)
- Bial : 90mm, maneton 18mm
- Needle cage: 12x17x16mm (compatible with 13mm or 14mm axis with other 17mm external diameter cages)
- Engine crankcase milling: Mandatory
- Diameter of weights: 76mm
- Weight : 1550g
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