VENTO MOTORCYCLES
Rev no.01/ page 51of 84
AIR FUEL MIXTURE RATIO: CARBURETTOR CIRCUITS:
Starting 7~8: 1 The Phantom R4i Scooter has 6 main circuits
Idling speed 10~12: 1 1. Fuel Intake circuit
Slow speed 12~14: 1 2. Choke circuit
Medium speed 15~17: 1 3. Idling speed circuit
High speed: 13-15:1 4. Slow speed circuit
5. Medium speed circuit
6. High speed circuit
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