Carburetor - TOHATSU 40 Service Manual

SECTION 3

CARBURETOR

Removal
1. Remove the air silencer and oil tank.
2. Remove the carburetor throttle and choke linkage.
3. Disconnect the choke solenoid plunger hook or choke knob link
rod as required.
4. Remove all fuel hoses from carburetor fuel fittings.
Do not pull fuel hoses off fuel fittings –– push
them off. If hose cannot be pushed off, carefully
cut the hose along its side and peel it off to avoid
damaging the fitting.
5. Remove carburetors and discard the carburetor base gaskets.
Disassembly
Bottom carburetor on models 40 and 50 is equipped
with integral fuel pump. To ensure proper cleaning of
the carburetor, remove and service the fuel pump at
this time. Refer to Fuel Pump, this section.
1. Remove drain screw from float chamber and allow to drain.
2. Fully disassemble the carburetor as illustrated in the Inspection
procedure.
Use the following precautions during carburetor
disassembly:
• Use correct size screwdrivers to avoid damaging
the carburetor jets.
• Throttle stop screw spring has higher tension
than pilot screw spring. DO NOT interchange
the springs.
Cleaning
Never clean carburetor by submerging or soaking
in a hot tank or carburetor dip cleaner. Do not
expose plastic parts to any carburetor cleaner.
3-20
CAUTION
NOTE
CAUTION
CAUTION
3-/ 4-Cylinder