62
•
Slow Circuit
Fuel is metered by the slow jet and mixed with air from
the air passage. The mixture enters the venturi through
the bypass and pilot outlet that has been metered by
the pilot screw.
•
Main Circuit
Fuel is metered by the main jet, jet needle and needle
jet. It is then mixed with air coming from the air jet and
enters the venturi past the needle jet.
•
Baffle Plate
The baffle plate prevents foaming of fuel or abnormal
fuel level around the main jet.
•
Float Bowl
The float and float valve operate to maintain a constant
level of fuel in the float bowl.
Disassembly/Assembly
1. Turn the fuel valve OFF.
2. Drain the remaining fuel in the float bowl by remov-
ing the float bowl plug.
•
Removing the float bowl plug will allow the fuel in
the float bowl to drain. Do not remove if engine is
hot.
•
Gasoline is extremely flammable and is explosive
under certain conditions. Perform this operation in
a well-ventilated area with the engine stopped. Do
not smoke or allow flames or sparks in the area
where gasoline is drained or stored and where the
fuel tank is refueled.
(1) FLOAT BOWL PLUG
3. Install the float bowl plug.
(1) SLOW JET
(2) AIR PASSAGE
(3) BYPASS
(4) PILOT OUTLET
(5) PILOT SCREW
(1) MAIN JET
(2) JET NEEDLE
(3) NEEDLE JET
(4) AIR JET
(5) BAFFLE PLATE
(6) FLOAT
(7) FLOAT VALVE
WARNING
5. CARBURETOR ADJUSTMENT
2
4
7
6
5
1
3
5
4
3
2
1
