Honda CB125 Shine SP Owner's Manual page 53

The adjustment must be made when the
piston is at the top of the compression
stroke when both the intake and exhaust
valves are closed.
This condition can
moving the rocker arms. If they are free,
it is an indication that the valves are closed
and that the piston is on the compression
stroke. If they are tight and the valves are
open, rotate the flywheel 360
the "T" mark to the index mark.
4. Check the clearance of both valves by
inserting a feeler gauge (5) between
the adjusting screw (6) and the valve
stem.
Clearance should be:
Intake:0.08 mm (0.003 in)
Exhaust:0.12 mm (0.005 in)
If it is necessary to make an adjustment,
loosen the adjusting screw lock nut (7)
and turn the adjusting screw so there is a
slight resistance when the feeler gauge in
inserted.
Honda Motorcycle & Scooter India Pvt. Ltd.
be determined by
and realign
0
After completing the adjustment, tighten
the adjusting screw lock nut while holding
the adjusting screw to prevent it from
turning.
(6)
(5)
(5) Feeler gauge
¼Qhyj xs t ½
(6) Adjusting screw ¼,MtfLVa x LØw ½
(7) Adjusting screw lock nut
Finally, recheck the clearance to make sure
that adjusting has not been disturbed.
(7)
(2)
¼,MtfLa x LØw ykW d uV½
CB125 Shine SP
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