Maintenance and Adjustment
103
Chain and Sprocket Wear Inspection
1. Measure across 20 links
2. Weight
Stretch the chain taut by hanging a
10 - 20 kg weight on the chain.
Measure the length of 20 links on the
straight part of the chain from pin
centre of the 1
st
pin to the pin centre of
the 21
st
pin. Since the chain may wear
unevenly, take measurements in several
places.
If the length exceeds the maximum
service limit of 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.
If there is any irregularity, have the drive
chain and/or the sprockets replaced by
an authorised Triumph dealer.
Never neglect chain maintenance and
always have chains installed by an
authorised Triumph dealer.
Use a genuine Triumph supplied chain
as specified in the Triumph parts
catalogue.
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.
If the sprockets are found to be worn,
always replace the sprockets and
drive chain together. Replacing worn
sprockets without also replacing the
chain will lead to premature wear of
the new sprockets.
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