Yamaha JT1 Series Service Manual page 14

YAMAHA
AUTOLUBE·Handling of the Oil Pump
The oil pump is similar in both construction and operation to other Autolube systems. The only difference is the employ-
ment of a 4,0 ¢ plunger.
2-3-1 Checking Minimum Pump Stroke
1 Checking
a Fully close the accelerator grip.
b Turn the oil pump starter plate
in
the direction
of the arrow marked on the plate. Then measure
the gap between the adjustment pulley and
the adjustment plate. Keep the gap as wide
as possible by observing lt with the eye prior
to measuring,
c. Insert a feeler gauge (015 mm) into the gap
If the qap allows it to enter
...... Stroke Is correct
If the gap does not allow
...... Stroke is insufficient
2 Adjustment
a Remove the adJustment plate lock nut. and
then remove the adjustment plate
Fig 2-3-1
Fig 2-3-2
Fig 2-3-3
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