80mm Polini High-Performance Parts Race Crankshaft 12mm for Minarelli horizontal engines Polini Racing Edition
Polini HQ High-Performance Racing Parts for ATVs and Scooters featuring the Minarelli Yamaha 2 stroke horizontal engines with 12mm pins.
Details: Polini racing full cheek crankshaft with 12 mm gudgeon pin, higher precompression and standard stroke (39.2 mm). Plastic parts are cast to keep weight down. The lower connecting rod bearing is has a copper washer. Additional hole at the gudgeon pin for improved oiling at high revs. Swap out your damaged rod but keep your Polini crankshaft. Polini quality for the race track & the demanding tuner. Caution: only to be used in conjunction with appropriate tuning kit piston with 12 mm gudgeon pin. References: 210.0010 4250809568508 210.0010
Polini HQ High-Performance Racing Parts for ATVs and Scooters featuring the Minarelli Yamaha 2 stroke horizontal engines with 12mm pins.
Details: Polini racing full cheek crankshaft with 12 mm gudgeon pin, higher precompression and standard stroke (39.2 mm). Plastic parts are cast to keep weight down. The lower connecting rod bearing is has a copper washer. Additional hole at the gudgeon pin for improved oiling at high revs. Swap out your damaged rod but keep your Polini crankshaft. Polini quality for the race track & the demanding tuner. Caution: only to be used in conjunction with appropriate tuning kit piston with 12 mm gudgeon pin. References: 210.0010 4250809568508 210.0010
