Crankshaft - Honda Z50A Manual

18
<D
Clutch adjuster
®
Lock nut
Fig. 36
<D
Vernier caliper
®
Friction disc
Fig. 37
<D
Vernier caliper
®
Clutch spring
Fig. 38
Fig. 39 Oil flow
C. Inspection
1. CI utch adjustment.
a. Clutch must be adjusted with the
engine shut off. Loosen the adjuster
lock nut.
b. Turn the adjuster clockwise about
one turn ; do not turn excessively.
c. Next. slowly turn the adjuster
counterclockwise and stop when the
adjuster to turn heavy.
d. From this point. back off the
adjuster 1n the clockwise direction
73
to
Ji
turn. and tighten the look
nut (Fig. 36).
Check to make sure that the clutch
operates properly after adjustment.
• The engine should start easily with the
kick starter without the clutch slipping.
• When changing gear. the clutch
slipping should be smooth and light.
especially when shifting down in gear
to the neutral position.
2. Measuring the friction disc
Measure the thickness of the friction
disc using a vernier caliper (Fig. 37).
Standard Value
0.138 (3.50mm)
Serviceable Limit
Replace if under
0.122 (3.10mm)
3.
Inspecting the clutch spring
Measure the free length of the spring
using a vernier caliper (Fig. 38).
Standard Value
0.772 (19.6mm)
D. Reassembly
Serviceable Limit
Replace if under
0.72 (18.2mm)
Perform the reassembly in the reverse order
of disassembly as described in page 16.
8. CRANKSHAFT
A. Description
The connecting rod is assembled on the
crank pin. The bearing at the large end
is lubricated by the pressurize oil which
flows through the crankshaft (Fig. 39).
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