Yamaha TZ250M1 Owner's Service Manual page 112

CARBURETOR AND REED VALVE
3. Install:
EC4652E0
Carburetor
1. Install:
2. Install:
3. Install:
4-14
• Carburetor joint 1
• Induction box 2
• Bolt {carburetor joint [L=25 mm (0.98 in)]} 3
11 Nm (1.1 mdkg, 8.0 ftdlb)
T
• Bolt {carburetor joint [L=20 mm (0.79 in)]} 4
11 Nm (1.1 mdkg, 8.0 ftdlb)
T
• Solenoid valve 1
To carburetor 2.
• Pilot air screw 1
Ω
Note the following installation points:
• Screw in the pilot air screw until it is lightly
seated.
• Back out it by the specified number of
turns.
Pilot air screw:
1-1/2 of turns out
• Main nozzle 1
• Main jet 2
• Pilot jet 3
• Valve seat 4
• Screw (valve seat) 5
ENG