Triumph Bonneville Bobber 2018 Owner's Handbook Manual page 131

Tank Capacity
Fuel Type
Tank Capacity
Ignition
Ignition System
Spark Plug
Spark Plug Gap
Transmission
Transmission Type
Clutch Type
Final Drive Chain
Primary Drive Ratio
Gear Ratio:
1st
2nd
3rd
4th
5th
6th
Final Drive Ratio
Use the recommended tyres ONLY in the combinations given. Do not mix tyres from
different manufacturers or mix different specification tyres from the same
manufacturers as this may result in loss of motorcycle control and an accident.
Approved Tyres
A list of approved tyres specific to these models is available from your authorised
Triumph dealer, or on the Internet at www.triumph.co.uk.
Tyres
Tyre Sizes:
Front
Rear
Bonneville Speedmaster
91 RON unleaded
12 litres
Bonneville Speedmaster
Digital Inductive
NGK LMAR8A-9
0.9 mm +0.0/-0.1 mm
Bonneville Speedmaster
6 speed, constant mesh
Wet, multiplate
EK 525 MVXZ2, 108 link
93/74 (1.26)
49/14 (3.5)
45/18 (2.5)
37/20 (1.85)
37/25 (1.48)
35/27 (1.3)
34/29 (1.17)
37/17 (2.18)
Warning
Bonneville Speedmaster
MT90B16
150/80 R16
Specifications
131