Malossi MHR RHQ Crankshaft 12 pin 80 connecting rod 39.3 stroke

The Malossi RHQ crankshaft is a high-quality component designed for Piaggio engines with an 80 mm connecting rod and a 39.3 mm stroke. This crankshaft is essential for the operation of the internal combustion engine and directly affects overall performance. Malossi is committed to producing only first-class crankshafts, guaranteeing high performance and optimal reliability.

The crankpins are made of 18 Ni Cr Mo5 material, while the rotating masses are monolithic and forged. All components undergo five heat treatments to ensure maximum strength. Furthermore, the machining is carried out on highly precise machine tools, ensuring superior quality.

The crankshaft has a high surface finish to improve overall reliability. Additionally, it undergoes dynamic balancing up to 16,000 rpm to ensure smooth and vibration-free operation. The connecting rod is forged in 18 Ni Cr Mo5 copper-plated material and coupled to the crankshaft with a precision roller bearing, ideal for high speeds.