Triumph Bonneville Handbook page 120

Specifications
Electrical Equipment
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . .
Alternator. . . . . . . . . . . . . . . . . . . . . . . . .
Headlight . . . . . . . . . . . . . . . . . . . . . . . . .
Tail/Brake Light . . . . . . . . . . . . . . . . . . . .
Directional Indicator Lights . . . . . . . . . . .
Frame
Rake. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27°
Trail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 mm
Tightening Torques
Oil Filter . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Nm
Sump Drain Plug . . . . . . . . . . . . . . . . . . 25 Nm
Spark Plug . . . . . . . . . . . . . . . . . . . . . . . .
Fluids and Lubricants
Engine Oil . . . . . . . . . . . . . . . . . . . . . . . .
Brake and Clutch Fluid . . . . . . . . . . . . . .
Bearings and Pivots. . . . . . . . . . . . . . . . .
Drive Chain . . . . . . . . . . . . . . . . . . . . . . .
120
Thruxton Scrambler
12 V 10 Ah 12 V 10 Ah
23 A @ 2,000 rpm 23 A @ 2,000 rpm
25 A @ 6,000 rpm 25 A @ 6,000 rpm
12 V 60/55W 12 V 60/55W
Halogen H4 Halogen H4
12 V 5/21W 12 V 5/21W
12 V 10W 12 V 10W
27.8°
105 mm
10 Nm
25 Nm
20 Nm 20 Nm
Semi or fully synthetic 10W/40 or 10W/50
motorcycle engine oil which meets specification
API SH (or higher) and JASO MA, such as Castrol
Power 1 Racing 4T 10W-40 (fully synthetic)
engine oil, sold as Castrol Power RS Racing 4T
10W-40 (fully synthetic) in some countries.
DOT 4 Brake and Clutch Fluid
Grease to NLGI 2 specification
Chain spray suitable for O-ring chains