Yamaha FT50C - Page 16

GEN
INFO
General information
1-11
62Y5A11
2. Medium speed operation
When the throttle valve opens further, air-fuel mixture is fed from the pilot outlet and all the bypass
holes. In addition, air-fuel mixture is also supplied from the main nozzle in accordance with the
opening angle of the throttle valve.
1
Pilot screw
2
Pilot outlet
3
Bypass holes
4
Venturi
5
Pilot jet
6
Main jet
7
Main nozzle
8
Pilot air jet
9
Main air jet
0
Throttle valve
È
Air
É
Air-fuel mixture
Ê
Fuel
3
2
1
0
9
8
7
6
5
4
3
2
S62Y1270
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