Honda TRX450ER Owner's Manual page 163

Drive Chain
4. Check the drive chain slider ( ) at the intervals specified in the Main-
tenance Schedule.
The chain slider must be replaced if it is worn to the wear limit line
( ). For replacement, see your Honda dealer. 2
LEFT SIDE
(1) drive chain slider
5. With the upper or lower section of drive chain tight between the
sprockets measure the distance between a span of
centre to pin centre. If the distance exceeds the service limit, the chain
is worn out and should be replaced.
Service limit:
319.1 mm (12.56 in)
Measure a span of 21 pins
154 Servicing Your Honda
1
(2)
(1)
(2) wear limit line
21 pins from pin