Oil Pump Control Cable; Ignition Timing - Honda MB5 1982 Shop Manual

INSPECTION AND ADJUSTMENT
OIL PUMP CONTROL CABLE
NOTE
The oil pump control cable should be adjusted
after the throttle grip free play has been
adjusted.
Loosen the lock nut. With the throttle fully open,
align the index mark on the pump body with the
reference mark on the control lever by turning the
adjusting nut.
Tighten the lock nut.
CAUTION
The index mark on the control lever must be
in line with the reference mark on the pump
body toward the CLOSE side. Failure to do so
reduces the pump delivery, resulting in serious
engine damage. When adjusting the index
mark, it may be within 1 mm ( 0. 04 in) out of
line with the reference mark toward the
OPEN region.
Excessive white smoke or hard starting:
Pump control lever excessively open
Burnt piston: Pump control· lever not opened
properly
IGNITION TIMING
NOTE
The CDI ignition timing is not adjustable.
If the ignition timing is incorrect, check the
CDI unit and alternator and replace any faulty
parts.
Remove the left crankcase cover.
Connect a stroboscopic timing light to the high
tension wire.
Start the engine and bring engine speed to 3,000
rpm.
Aim the timing light at the timing mark.
The "F" mark should align with the index
m~rk.
Bring engine speed to 6500-7500 rpm and check
that the index mark is between the full retard
marks.
3-6
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OIL PUMP
CONTROL CABLE
~HONDA
~
MBS
ADJUSTING NUT
OPEN
SIDE
LOCK NUT
INDEX MARK
"F" MARK
28
TIMING LIGHT
INDEX
MARK
INDEX MARK
RETARD MARKS
Date of Issue: July, 1981
©
HONDA MOTOR CO., LTD.