
Polini’s got some great stuff, and one of the latest additions to its catalog of parts includes upgrades for the Yamaha Minarelli engine.
With the goal of making more power and improving the resistances of the engine’s internals, Polini’s parts are specifically designed for the Yamaha motor, allowing the small engine to achieve bigger power figures. Two types of upgrades are available from the Italian brand, which include a range of crankshafts and new cylinder kits.