Under the brand Top Performances, a branding of the Minarelli Group, high-quality tuning parts for scooters are distributed. Because Minarelli also builds the engines for Yamaha, the circle is complete in this case. This means that the manufacturer of the engine also sells the spare parts and tuning parts for his own engine.
So you can be sure that this crankshaft is a high quality spare part as it is used in the production engine.
The water-cooled 125cc 4-valve Minarelli is used in the Yamaha Majesty 125.
The stroke of the shaft is 58,6mm.