Chain And Sprocket Wear Inspection - Triumph Street Cup Owner's Handbook Manual

Chain and Sprocket Wear Inspection

Warning
Never neglect chain maintenance and
always have chains installed by an
authorized Triumph
genuine Triumph supplied chain as
specified in the Triumph Parts Catalog.
The use of non-approved chains may
result in a broken chain or may cause
the chain to jump off the sprockets
leading to loss of motorcycle control or
an accident.
Caution
If the sprockets are found to be worn,
always replace the sprockets and drive
chain together.
Replacing worn sprockets without also
replacing the
premature wear of the new sprockets.
1. Measure across 20 links
2. Weight
To inspect the chain and sprocket wear:
Remove the chain guard.
dealer. Use
chain will lead
1
10-20
KG
2
Maintenance and Adjustment
Stretch the chain taut by hanging a
10 - 20 kg (20 - 40 lb) weight on the
chain.
Measure the length of 20 links on the
straight part of the chain from pin
center of the 1st pin to the pin center of
the 21st pin. Since the chain may wear
a
unevenly, take measurements in several
places.
If the length exceeds the maximum
service limit of 12.6 in (320 mm), the
chain must be replaced.
Rotate the rear wheel and inspect the
drive chain for damaged rollers, and
loose pins and links.
Also inspect the sprockets for unevenly
or excessively worn or damaged teeth.
Worn Tooth
(Engine Sprocket)
to
(Sprocket wear exaggerated for
ccol
Note:
• Illustration shows wear on sprockets
mounted on the left hand side of the
motorcycle. For sprockets mounted
on the right hand side of the
motorcycle, the wear is on the
opposite side of the tooth.
If there is any irregularity, have the
drive chain
replaced by an authorized Triumph
dealer.
Re-install the chain guard, tightening
the fasteners to 80 lbf in (9 Nm).
Worn Tooth
(Rear Sprocket)
illustrative purposes)
and/or the sprockets
101