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Servicing Your Honda 77
Valve Clearance
4.Check the clearance of both valves by
inserting a feeler gauge (7) between the
adjusting screw (8) and the valve stem.
Clearance should be:
Intake:
0.002 ± 0.001 in (0.05 ± 0.02 mm)
Exhaust:
0.002 ± 0.001 in (0.05 ± 0.02 mm)
5.If it is necessary to make an adjustment,
loosen the adjusting screw lock nut (9) and
turn the adjusting screw so there is a slight
resistance when the feeler gauge is inserted.
After completing the adjustment, tighten the
adjusting screw lock nut while holding the
adjusting screw to prevent it from turning.
Finally, recheck the clearance to make sure
that the adjustment has not been disturbed.
6.Install the left crankcase cover.
7.Install and tighten the bolts A, bolt B and
adjusting hole caps.
(7) feeler gauge
(8) adjusting screw
(9) adjusting screw lock nut
LEFT SIDE
(7)
(8)
(9)
20CRF50F31GJGA20.book77ページ２０１９年２月１３日 水曜日 午前１１時２６分
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