MALOSSI Crankshaft shaft Ø15 mm - stroke 51 mm (Manufacturer reference: 5316517). Designed by Malossi for small Piaggio/Vespa engines, this complete crankshaft incorporates the technical solutions developed by the brand to ensure robustness and high RPM performance.
- Dimensions: 15 mm shaft, 51 mm stroke — suitable for urban engines and small displacements.
- Materials: manufactured according to Malossi specifications with reinforced steel and vacuum casting, to minimize casting defects.
- Architecture: "viper head" type connecting rod to reduce rotating masses while maintaining necessary rigidity.
- Finish: optimized transmission side threading and provision of specific nuts for better load distribution.
- Balancing: machined balancing inserts (tungsten) for a more homogeneous behavior of the crankshaft/case assembly.
This crankshaft is aimed at riders who modify their Vespa or Piaggio (small frame versions and engines with reed valve intake). Examples of compatible models: PIAGGIO APE 50, VESPA PK XL, PIAGGIO APE 50 RST MIX — check the exact compatibility with your engine before installation.
Important: technical product intended for sporting and specific use. Follow the manufacturer's installation and usage recommendations. Motoblouz disclaims any responsibility in case of inappropriate use.
