Yamaha F40B - Removing the Carburetor; Disassembling the Carburetor; Checking the Carburetor

67C3K11 4-12
1
2
3
4
5
6
7
8
9
Removing the carburetor
1. Disconnect the fuel hoses 1 and blowby
hose 2.
2. Disconnect the throttle link rod 3.
3. Disconnect the Prime Start leads 4.
4. Remove the bolts 5 and 6, and then
remove the carburetor unit 7.
5. Remove the bolts 8, intake silencer 9,
bolts 0, and throttle link plate A, and
then remove the carburetor assemblies
B.
Disassembling the carburetor
NOTE:
See the exploded diagram for disassembly
(4-10).
1. Remove the screw 1, float pin 2, float
3, and needle valve 4.
Checking the carburetor
1. Check the air and fuel passages and jets.
Clean the carburetor body if there is dirt
or foreign material.
S67C4019
2
1
S67C4020
5
5
4
3
6
7
S67C4038
88
8
0
0
A
B
9
0
B
S67C4021
4
3
2
1
Carburetor unit