Motorbikespecs is a user updatable motorcycle specification database. You can use it to find out info like oil grades, spark plug gap, or valve clearance for your bike, or add to our database.
Triumph (Meriden) Bonneville T140 83

Service Info
Engine Oil Grade SAE
20/50
Fork oil grade
ATF / TQF OR 10 GRADE
Front Fork Oil cc (left leg)
190
Front Fork Oil cc (right leg)
190
Gearbox Oil grade
90
Gearbox Oil Litres
500 CC
Spark Plugs Gap (mm)
28 THOU
Tyre Pressure Back Bar / psi
32psi
Tyre Pressure Front Bar / psi
28psi
Valve Clearance Cold - Exhaust
6 thou
Valve Clearance Cold - Inlet
68thou
Triumph (Meriden) Bonneville T140 81

Service Info
Engine Oil Grade SAE
either 20/50 or mono 40
Fork oil grade
atf or 10 grade
Front Fork Oil cc (left leg)
190
Front Fork Oil cc (right leg)
190
Gearbox Oil grade
ep gear oil 75/90
Spark Plugs Gap (mm)
28thou/
Tyre Pressure Back Bar / psi
32
Tyre Pressure Front Bar / psi
28
Triumph (Meriden) T120R Bonneville 70
Service Info
Chain Freeplay mm
14
Coolant
Air
Engine Oil Grade SAE
20w50
Engine Oil quantity (litres)
2.6
Fork oil grade
Telescopic Fork oil
Front Fork Oil cc (left leg)
200
Front Fork Oil cc (right leg)
200
Gearbox Oil grade
Hypoid 80/90
Gearbox Oil Litres
0.57
Idle Speed (rpm)
1000 hot
Points Gap mm
.0015\'
Spark Plugs Gap (mm)
.0025\'
Valve Clearance Cold - Exhaust
.004\'
Valve Clearance Cold - Inlet
.002\'
Triumph (Meriden) T120R Bonneville 69
Service Info
Chain Freeplay mm
14
Coolant
Air
Engine Oil Grade SAE
20w50
Engine Oil quantity (litres)
2.6
Fork oil grade
Telescopic Fork oil
Front Fork Oil cc (left leg)
200
Front Fork Oil cc (right leg)
200
Gearbox Oil grade
Hypoid 80/90
Gearbox Oil Litres
0.57
Idle Speed (rpm)
1000 hot
Points Gap mm
.0015\'
Spark Plugs Gap (mm)
.0025\'
Valve Clearance Cold - Exhaust
.004\'
Valve Clearance Cold - Inlet
.002\'
Triumph (Meriden) T120R Bonneville 68
Service Info
Chain Freeplay mm
14
Coolant
Air
Engine Oil Grade SAE
20w50
Engine Oil quantity (litres)
2.6
Fork oil grade
Telescopic Fork oil
Front Fork Oil cc (left leg)
200
Front Fork Oil cc (right leg)
200
Gearbox Oil grade
Hypoid 80/90
Gearbox Oil Litres
0.57
Idle Speed (rpm)
1000 hot
Points Gap mm
.0015\'
Spark Plugs Gap (mm)
.0025\'
Valve Clearance Cold - Exhaust
.004\'
Valve Clearance Cold - Inlet
.002\'