Owner's Handbook - Page 178

For BONNEVILLE T120.

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Specifications - Speed Twin
178
Fuel Speed Twin
Type 91 RON unleaded
Tank Capacity 14.5 litres
Ignition Speed Twin
Ignition System Digital inductive
Spark Plug NGK LMAR8A-9
Spark Plug Gap 0.9 mm +0.0/-0.1 mm
Transmission Speed Twin
Transmission Type 6 speed, constant mesh
Clutch Type Wet, multiplate
Final Drive Chain EK 525 ZVX3, 102 link
Primary Drive Ratio 93/74 (1.26)
Gear Ratio:
1st 49/14 (3.5)
2nd 45/18 (2.5)
3rd 37/20 (1.85)
4th 37/25 (1.48)
5th 35/27 (1.3)
6th 34/29 (1.17)
Final Drive Ratio 42/16 (2.63)
Warning
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.
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