Honda GC190 User Manual

CARBURETOR DISASSEMBLY/REASSEMBLY
Before disassembly, loosen the drain screw and drain the carburetor.
Gasoline is highly flammable and explosive.
You can be burned or seriously injured when handling fuel.
Keep heat, sparks, and flame away.
Handle fuel only outdoors.
Wipe up spills immediately.
NOTE: 5x6mm
SCREW
Clean the outside of the carburetor before disassembly.
The limiter cap is cemented on the pilot screw and should
not be removed unless the carburetor is overhauled.
CARBURETOR BODY
I REASSEMBLY:
FLOAT VALVE
PILOT SCREW
REPLACEMENT
LIMITER CAP
REPLACEMENT
Clean internal passages and
I/
orifices with compressed air
before installation.
REASSEMBLY:
Check for worn float valve seat,
float valve or weak spring before
installation.
I
VALVE SEAT
-FLOAT VALVE
PA
OK REPLACE
THROTTLE STOP SCREW
ADJUSTMENT
MAIN NOZZLE
FLOAT
U REASSEMBLY: t
e Clean thoroughly with
4 compressed air before 1
installation.
FLOAT PIN
SET PACKING
REASSEMBLY:
Check for smooth movement
after installation.
4 x 7 x 150 mm TUBE
llAlN JET
REASSEMBLY:
Clean thoroughly with
compressed air before
installation.
MAIN JET NUMBER:
gc160_gcaha_3599750_3721672

Honda GC190 Specifications

General

Engine Type	4-stroke, overhead cam, single-cylinder
Compression Ratio	8.5:1
Net Torque	8.3 lb-ft (11.3 Nm) at 2, 500 RPM
PTO Shaft Rotation	Counterclockwise (from PTO shaft side)
Ignition System	Transistorized magneto
Starting System	Recoil starter
Lubrication System	Forced splash
Fuel Type	Unleaded gasoline (86 octane or higher)
Displacement	187 cm³
Bore x Stroke	69 mm x 50 mm
Net Power Output	4.8 HP (3.6 kW) @ 3, 600 rpm
Oil Capacity	0.61 US qt (0.58 L)
Air Cleaner	Dual element