Malossi Fuel Injection Control for 50cc 4-Stroke Yamaha ScootersSPECIFICATIONS: Carburation Adjusting?? 20% at Min/Medium/Max4 Different Maps:curve 0 : Fuel Adjustment Values Zeroed Out (CDI excluded)curve 1 : Malossi Cylinder and Original Exhaust Systemcurve 2 : Malossi Cylinder and Tuned Exhaust Systemcurve 3 : Fuel Adjustment Values Zeroed Out (CDI excluded)COMPATIBILITY: C3 Giggle 50 4TVino 50 4TZuma 50F 4TThe Malossi Force Master 2 CDI allows to change the injection in order to fit perfectly the new big bore cylinder kit. 66cc Big Bore cylinder for new water-cooled Yamaha 4-stroke 50cc engines with injection. 44mm bore = 66.11cccapacity meaning great torque and improved acceleration. The Force Master 2 ECU unit features 3 programs for best tune fuel consumption. Well-engineered cylinder, piston and rings. Great for daily use. **