Assembling The Carburetor; Installing The Carburetor - Yamaha F2.5A Service Manual

FUEL

Assembling the carburetor

1. Install the main nozzle 1, main jet 2,
pilot jet 3, and bushing 4 to the carbu-
retor body as shown.
4
3
2. Install the needle valve 5, float 6, float
pin 7, and screw 8 as shown, and then
check the float for smooth operation.
8
NOTE:
• Place the needle valve in the valve seat
when installing the float to the carburetor
body.
• Fit the float pin into the slit on the carbure-
tor body and lock it with the screw.
3. Install the pilot screw 9, turn it in until it
is lightly seated, then out the specified
number of turns.
4-9
Fuel system
2
1
S69M4110
6
7
5
S69M4120
È
9
È For Europe
Pilot screw wrench 0: 90890-03154
Pilot screw setting: 2–3 turns out

Installing the carburetor

1. Install the carburetor to the power unit.
1 2
3
a
1
2
NOTE:
Align the projections a of gaskets 1, 2, and
3, and then install the carburetor.
0
9
S69M4130
S69M4140
3
S69M4150
69M3E11