Crankshaft MHR RHQ 70cc Piaggio (39.2mm/85mm) METRAKIT 12mm model: 12x15x15mm needle cage

12mm model: 12x15x15mm needle cage (compatible with other cages with an external diameter of 15mm)

as are the performances if the rest of the configuration is adapted (28mm carburetor

- 10x M4x16mm

Polini piston size B for the Polini 79cc cast iron cylinder kit for scooters with Piaggio 4-stroke 2-valve engine

Crankshaft MHR RHQ 70cc Piaggio (39.2mm/85mm) METRAKIT 12mm model: 12x15x15mm needle cageVilebrequin de haute qualit de Malossi. HPC signifie High Primary Compression, ou en clair, c'est un vilebrequin cercle complet. La compression primaire plus leve conduit une meilleure charge, ce qui dplace la bande de puissance vers le haut de la plage de rgime. Il en rsulte une acclration lgrement plus faible mais plus de puissance. High quality crankshaft by Malossi. HPC stands for high primary compression, or in plain English, it's a fullcircle