Honda CRF50F Owner's Manual page 80

37GJGA00.book 70 ページ ２０２１年３月５日 金曜日 午後２時５０分
4. Check the chain slider (2) for wear.
If the ridge (3) in the centre of the slider
is worn, have your dealer replace the
chain slider.
(2)
(3)
(3)
(2) Chain slider
(3) Ridge
70
5. Measure a section of the drive chain to
determine whether the chain is worn
beyond its service limit. Remove the
drive chain and measure the distance
between a span of pins from pin centre to
pin centre. If the distance exceeds the
service limit, the chain is worn out and
should be replaced.
New Chain:
978 mm (38.5 in)
Ser vice Limit:
997 mm (39.3 in)
Measure a span of : 78 pins.