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Maintenance and Adjustment
Page 59
Chain Wear Inspection
1. Measure Across 20 Links
2. Weight
• Remove the chain guard and
sprocket cover.
• Stretch the chain taut by hanging a
10--20 kg (20--40 lb) weight from it.
• Measure the length of 20 links on the
straight part of the chain from pin
centre of the 1st pin to the centre of
the 21st pin. Since the chain may
wear unevenly, take measurements
at several places.
• If the length exceeds the maximum
service limit of 321 mm, the chain
must be replaced.
• Rotate the rear wheel and inspect the
drive chain for damaged rollers, and
loose pins and links.
• 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.
WORN TOOTH
(ENGINE SPROCKET)
T509--33
WORN TOOTH
(REAR SPROCKET)
Sprocket wear is shown exaggerated
WARNING: The use of
non--approved chains may
result in a broken chain or may cause
the chain to jump off the sprockets.
Either condition could lock the rear
wheel, severely damaging the
motorcycle and causing loss of
control and an accident.
For safety, use a genuine Triumph
supplied chain as specified in the
Triumph parts catalogue.
Never neglect chain maintenance and
always have chains installed by an
authorised Triumph dealer .
CAUTION: 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.
• Replace the chain guard and
sprocket cover.
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