Honda Z50A Manual page 27

Item
Setting mark
M.J. (Main Jet)
A.J. (Air Jet)
A.B. (Air Bleed)
N.J. (Needle Jet)
J.N. (Jet Needle)
C.A.
(Cut away)
A.S. (Air Screw)
P.J. (Pilot Jet)
v.s.
(Valve Seat)
B.P. (By-pass)
Main Bore
Fuel Level
B. Removal
AB1
AB2
AB3
AB4
AB5
Z50M II
#
50
#
100
0.5X2
0.5X2
05X2
Specification
2.1 mm (0.083 in.) X3R
2°, 2 Steps. 2.05 mm (0.0907 in.)
#
2 (Cut away), Width 1 mm (0.0394 in.)
Depth o.2 m m (0.0079 in.)
1.%±~
#38
0.6 mm (0.024 in.)
0.9 mm (0.035 in.) P=5.3 mm (0.209 in.)
9 mm (0.354 in.)
18 mm (0.709 in.)
25
1. Turn the fuel cock to the OFF position and disconnect the fuel tube from the
carburetor.
2. Remove the cap and disconnect throttle cable from the throttle valve.
3. Unscrew the two carburetor mounting bolts to remove the carburetor.
4. Loosen the air cleaner tube connecting clamp and separate the air cleaner assembly
from the carburetor.
5. Remove air cleaner cover and lift out the air cleaner element.
C. Inspection
1. Washing the components
After the carburetor has been disassembled. wash the parts in solvent (or gasoline)
and dry with compressed air.
2. Inspecting the float
Shake the float to see if there are any
gasoline contained inside or for any
deformation of the float. If the float
contain the gasoline or is deformed.
replace it with a new float.
3. Carburetor adjustment
a. Adjusting the idle
The idling is adjusted in the following
manner with the throttle stop screw
and the air screw.
(1) Sets the engine to the proper
idling speed (1200 rpm) with the
throttle stop screw.
©
Throttle stop screw
®
Air screw
Fig. 53