Carburetor Cross Section View - Honda C50 Shop Manual

Trouble
4.
Poor high speed per-
formance (related
symptom I
• Loss of power
• Poo r acceleration
• Block
exhaust smoke
• Poor engine
performance
5 . Ha rd starting
7.2 CARBURETOR
cs
l
Slow jet
Pilot jet
Figure 7- 5. Carburetor cross section diagram
I
Probab le cause
I
1.
Loose main jet or clogged
with di rt 1.
2.
Clogged air vent tube
3. Choke closed
2.
4.
Fuel cock
improperly positioned
3.
(S651
5 . Loose jet needle
4.
5.
1. Excessive use of choke 1.
2.
Fuel overflow
3. Fuel cock in closed position
2.
3.
707
Correcti ve action
Remove main jet and clean , install
and tighten secu rely.
Clean out vent tube
Open the choke
to
fu ll
OPEN po sition
Position t he fuel cocl:. le er to
full OPEN position.
If jet needle locki g c •·o is brok en,
replace w ith a r e
DO
Start engine
··~
.
""
cho e valve
fully open cleo" spar plug I
So me
co · rec· .e
oc' ion as
1
abo e
Open
~
e
c~-