Triumph Bonneville Bobber 2018 User Manual

Maintenance
90
• Make sure the same adjuster
marking is aligned with the spindle
adjuster on both sides of the
swinging arm.
• Tighten both adjuster lock nuts to
20 Nm and the rear wheel spindle
nut to 110 Nm.
• Repeat the chain adjustment check.
Readjust if necessary.
Warning
Operation of the motorcycle with inse-
cure adjuster lock nuts or a loose
wheel spindle may result in impaired
stability and handling of the motorcy-
cle. This impaired stability and handling
may lead to loss of control or an acci-
dent.
• Check the rear brake effectiveness.
Rectify if necessary.
Warning
It is dangerous to operate the
motorcycle with defective brakes; you
must have your authorised Triumph
dealer take remedial action before you
attempt to ride the motorcycle again.
Failure to take remedial action may
reduce braking efficiency leading to
loss of motorcycle control or an
accident.
Chain and Sprocket Wear Inspection
Warning
Never neglect chain maintenance and
always have chains installed by an au-
thorised 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.
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 prema-
ture wear of the new sprockets.
10-20
KG
2
1
1. Measure across 20 links
2. Weight

Triumph Bonneville Bobber 2018 Specifications

General

Engine Displacement	1200 cc
Compression Ratio	10.0:1
Fuel System	Multipoint sequential electronic fuel injection
Clutch	Wet, multi-plate assist clutch
Transmission	6-speed
Frame	Tubular steel cradle
Front Tyre	100/90-19
Rear Tyre	150/80 R16
Seat Height	690 mm
Trail	90 mm
Dry Weight	228 kg
Engine Type	Liquid-cooled, 8 valve, SOHC, parallel twin
Bore x Stroke	97.6 mm x 80 mm
Power	76 HP (55 kW) @ 6, 100 rpm
Torque	106 Nm @ 4, 000 rpm
Final Drive	Chain
Swingarm	Twin-sided, steel
Front Wheel	19 x 2.5 in
Rear Wheel	16 in
Front Suspension	41mm forks
Front Brakes	Single 310 mm disc, 2-piston caliper
Rear Brakes	Single 255 mm disc, 2-piston caliper
Instrument Display and Functions	LCD multi-functional instrument pack with analogue speedometer, odometer, gear position indicator, fuel gauge, range to empty, service indicator, clock, trip computer, scroll and mode buttons on handlebar, cruise control, traction control status, heated grip ready, and throttle mode display
Wheelbase	1, 510mm
Tank Capacity	9.1 L (2.4 US gal)
Exhaust	Brushed 2-into-2 with twin slash cut silencers