Inspect Float Setting
1. With carburetor body upside down, the float should be
parallel with carburetor bowl mounting surface. See
Figure 33.
2. If not, replace fuel inlet valve, float, and hinge pin.
Install Main Nozzle and Jet
3. Install nozzle and then main jet, See Figure 34.
High Altitude Compensation
Table 3 list identification numbers that are stamped on
both standard and high altitude jets for these carburetors.
9 H.P. Engine/Mikuni Carburetor
Install Float Bowl
Position bowl drain on carburetor as shown, Figure 35.
Tighten screw securely.
7-18
Figure 32 - Installing Float Hinge Pin
Figure 33 - Inspecting Float
Figure 34 - Installing Carburetor Nozzle and Main Jet,
Engine
0 - 4500 ft.
4500 -
8000 ft.
8000 -
10000
Main Jet
87.5
85.0
85.0
Table 3 - Identifying Main and Pilot Jets -
9 H.P.
Figure 35 - Installing Bowl
Post
Hinge Pin
Posts
Float
Hinge Pin
(Flat End)
Equal
Float
Bowl
Mounting
Surface
First
Install
Carburetor
Nozzle
Second
Install
Main Jet
Bowl
Washer
Screw
Bowl
Drain
Pilot Jet
40
40
35
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