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Malossi Zuma 50F/C3 big bore kit

Malossi 66cc BigBore cylinder for new water-cooled Yamaha 4-stroke 50cc engines with injection. 44mm bore = 66.11cc capacity meaning great torque and improved acceleration. the supplied Force Master 2 ECU unit features 3 programs for best tune fuel consumption. Well-engineered cylinder, piston and rings. Great for daily use.