Carburetors - TOHATSU NB-1000 Service Manual

SECTION 3

CARBURETORS

Two basic types of carburetors are used; the round slide valve type
used on the 2.5 and 3.5 horsepower engines, and the butterfly valve
type used on 5 horsepower and up.
Slide Carburetor Specifications
Model
2.5A / 3.5A / 3.5B
2.5A / 3.5A / 3.5B
2 2 2
Removal
1. Remove motor cover.
2. Turn off fuel supply fuel cock and remove fuel hose (1) from
1
carburetor.
1
3. Remove carburetor cover (2).
1
4. Loosen clamp bolt (3) and remove carburetor.
Disassembly
Use the following precautions during carburetor
disassembly:
• Use correct size screwdrivers to avoid damaging
the carburetor jets.
3-20
Item
Main Jet
Jet Needle Clip Groove
Main Jet
Jet Needle Clip Groove
CAUTION
Specifications
#92
2nd from bottom
#86
2nd from bottom
T1124
1-/ 2-Cylinder