Crankshaft (16mm bolt / 57mm stroke) - Vespa Cosa1 200 Air 2T ('88-'91) / Rally 200 Air 2T ('72-'79) - Malossi

507,57 EUR shipping costs Product code: MA.5316082

Crankshaft (16mm / 57mm) Malossi. Among the most important applications are: Vespa Cosa1 200 AIR 2T (1988-1991) / Cosa2 200 AIR 2T (1991-1996) / PX 200 AIR 2T (1977-1981) / PX 200E AIR 2T (1982-2000) / Rally 200 AIR 2T (1972-1979).

- Crankshaft for rotary valve housing;
- The crankshaft for Vespa is one of the most delicate;
- All Malossi crankshafts for Vespa are made from aerospace-grade reinforced steel and are vacuum-cast;
- It is a material highly resistant to scratches and guaranteed by the certifications required in Malossi's strict manual;
- The shape of the piston rod is designed to minimize weight while ensuring the necessary rigidity;
- Technicians have worked on the thread of the lateral axis of the crankshaft transmission, managing to increase strength;
- Even the key position has been revised in terms of both size and shape to prevent thread damage;
- The crankshafts are supplied with special nuts to take advantage of the increased strength of the tighter thread;
- For the rotary valve drive unit, the intake phase has been machined within the circular structure of the mass;
- This innovative choice has allowed for a unique shape capable of ensuring extremely efficient fluid dynamics;
- The introduction of tungsten parts (rare metal) in the crankshaft, used as counterweights for stability;
- The shaft for engines with a rotary valve intake has a standard length shaft and piston rod;
- Pin diameter: 16 mm;
- Stroke: 57 mm;
- Connecting rod: 110 mm;
- Class: Sport.

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