Triumph BONNEVILLE, Handbook

Page: 70 / 124

70
Maintenance and Adjustment
Throttle Grip
1. Throttle grip
2. 2 - 3 mm
Inspection
1. 'Opening' cable adjuster - twist grip
end
2. 'Closing' cable
• Check that the throttle opens
smoothly, without undue force and
that it closes without sticking. Have
your authorised Triumph dealer
check the throttle system if a
problem is detected or any doubt
exists.
• Check that there is 2 - 3 mm throttle
grip free play when lightly turning
the throttle grip back and forth.
• If there is an incorrect amount of
free play, Triumph recommends that
you have adjustments made by an
authorised Triumph dealer. However,
in an emergency, throttle
adjustments may be made as
follows:
Warning
The throttle grip controls the throttle valves
in the throttle bodies. If the throttle cables
are incorrectly adjusted, either too tight or
too loose, the throttle may be difficult to
control and performance will be adversely
affected.
Check the throttle grip free play in
accordance with scheduled maintenance
requirements and make adjustments as
necessary.
Always be alert for changes in the 'feel' of
the throttle and have the throttle system
checked by an authorised Triumph dealer
if any changes are detected. Changes can
be due to wear in the mechanism, which
could lead to a sticking throttle.
An incorrectly adjusted, sticking or stuck
throttle will lead to loss of motorcycle
control and an accident.
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