2002-2006 Triumph Speed Triple 955i Full Specifications
Get to know the 2002-2006 Triumph Speed Triple 955i in exquisite detail with our meticulously crafted motorcycle specifications tables.
Click or tap on a navigation pane below to find your way through our highly detailed, categorised 2002-2006 Triumph Speed Triple 955i specifications.
Dimensions Specifications Table
| Attribute | Value |
|---|
| Overall length | 2,115 mm |
| Overall width | 780 mm |
| Overall height | 1,340 mm |
| Wheelbase | 1,431 mm |
| Seat height | 815 mm |
| Dry Weight | 186 kg (without fuel and fluids) |
| Maximum payload | 185 kg (rider, passenger, luggage and accessories) |
Frame Specifications Table
| Attribute | Value |
|---|
| Frame type | Twin-spar aluminium |
| Rake / Caster angle | 22.8 ° |
| Trail length | 81 mm |
Engine Specifications Table
| Attribute | Value |
|---|
| Power | 120 PS @ 9,100 rpm |
| Torque | 100 Nm @ 5,100 rpm |
| Engine capacity / displacement | 955 cc |
| Engine configuration | 3 Cylinder, 12 Valve DOHC |
| Arrangement | Transverse In-line |
| Bore and Stroke | 79 mm x 65 mm |
| Compression ratio | 12 : 1 |
| Cylinder numbering / sequencing | Left to Right (No. 3 adjacent to camchain) |
| Flying order | 1 - 2 - 3 |
Cylinder Head Specifications Table
| Attribute | Value |
|---|
| Intake valve seat angle | 45 ° |
| Intake valve seat width | 0.9 mm - 1.1 mm |
1.5 mm (service limit) | | Exhaust valve seat angle | 45 ° |
| Exhaust valve seat width | 1.1 mm - 1.3 mm |
1.7 mm (service limit) |
Valves and Springs Specifications Table
| Attribute | Value |
|---|
| Intake valve lift | 9.15 mm |
| Intake valve stem diameter | 4.975 mm - 4.990 mm |
4.965 mm (service limit) | | Intake valve guide diamater | 5.00 mm - 5.015 mm (bore) |
| Intake valve guide diameter | 5.043 mm (bore service limit) |
| Intake valve stem to guide clearance | 0.010 mm - 0.040 mm |
| Intake valve seat angle | 45 ° |
| Intake valve head diameter | 33.5 mm |
| Intake valve seat width | 1.5 mm - 1.9 mm |
| Exhaust valve lift | 8.00 mm |
| Exhaust valve stem diameter | 4.955 mm - 4.990 mm |
4.945 mm (service limit) | | Exhaust valve guide diameter | 5.00 mm - 5.035 mm (bore) |
5.063 mm (bore service limit) | | Exhaust valve stem to guide clearance | 0.030 mm - 0.060 mm |
| Exhaust valve seat angle | 45 ° |
| Exhaust valve head diameter | 27.0 mm |
| Exhaust valve seat width | 1.5 mm - 1.9 mm |
Camshaft and Timing Specifications Table
| Attribute | Value |
|---|
| Intake valve cam timing | opens @ 26º BTDC @ 1.0 mm lift |
closes @ 38º ABDC @ 1.0 mm lift | 244 ° open duration | | Exhaust valve cam timing | opens @ 43º BBDC @ 1.0 mm lift |
closes @ 5º ATDC @ 1.0 mm lift | 228 ° open duration | | Camshaft journal diameter | 22.93 mm - 22.96 mm (outer) |
23.000 mm - 23.021 mm (bore) | | Camshaft journal clearance | 0.040 mm - 0.091 mm |
0.13 mm (service limit) | | Camshaft end float | 0.03 mm - 0.13 mm |
0.20 mm (service limit) | | Camshaft run-out | 0.05 mm (service limit) |
Crankshaft Specifications Table
| Attribute | Value |
|---|
| Crankshaft big end journal diameter | 40.946 mm - 40.960 mm |
40.922 mm (service limit) | | Crankshaft big end bearing clearance | 0.036 mm - 0.066 mm |
0.10 mm (service limit) | | Crankshaft main bearing journal diameter | 37.960 mm - 37.976 mm |
37.936 mm (service limit) | | Crankshaft main bearing clearance | 0.019 mm - 0.044 mm |
0.07 mm (service limit) | | Crankshaft end float | 0.05 mm - 0.20 mm |
0.40 mm (service limit) | | Crankshaft run-out | 0.02 mm |
0.5 mm (service limit) |
Cylinder and Piston Specifications Table
| Attribute | Value |
|---|
| Cylinder bore diameter | 79.030 mm - 79.050 mm (bore) |
79.100 mm (bore service limit) | | Top piston ring to groove clearance | 0.02 mm - 0.06 mm |
0.075 mm (service limit) | | Second piston ring to groove clearance | 0.02 mm - 0.06 mm |
0.075 mm (service limit) | | Top piston ring end gaps | 0.28 mm - 0.43 mm |
0.55 mm (service limit) | | Second piston ring end gaps | 0.43 mm - 0.58 mm |
0.73 mm (service limit) | | Piston ring oil end gaps | 0.33 mm - 0.83 mm |
1.03 mm (service limit) | | Connecting rod small end diameter | 19.016 mm - 19.034 mm (inner) |
19.050 mm (inner service limit) | | Connecting rod big end side clearance | 0.15 mm - 0.30 mm |
0.50 mm (service limit) |
Clutch and Primary Drive Specifications Table
| Attribute | Value |
|---|
| Primary Drive type | Gear |
| Reduction ratio | 1.75 (105 / 60) |
| Clutch type | Wet multi-plate |
| Clutch actuation method | Cable |
| Clutch lever free play | 0.4 mm - 0.8 mm |
| Number of friction plates | 10 |
| Friction plate thickness | 3.80 mm |
3.6 mm (service limit) |
Transmission Specifications Table
| Attribute | Value |
|---|
| Type | 6 Speed Constant Mesh |
| Gear ratio | 1st gear = 2.733 : 1 (41 / 15) |
2nd gear = 1.947 (37 / 19) | 3rd gear = 1.545 : 1 (34 / 22) | 4th gear = 1.291 : 1 (31 / 24) | 5th gear = 1.154 : 1 (30 / 26) | 6th gear = 1.074 : 1 (29 / 27) | | Gear selector fork / claw thickness | 5.8 mm - 5.9 mm |
| Gear selector fork /claw thickness | 5.7 mm (service limit) |
| Gear selector groove width | 6.0 mm - 6.1 mm |
6.25 mm (service limit) | | Gear selector fork to groove clearance | 0.55 mm (service limit) |
Final Drive Specifications Table
| Attribute | Value |
|---|
| Final drive | Chain |
| Final drive ratio | 2.333 : 1 (18 / 42) - single sided swing arm |
2.316 : 1 (19 / 44) - twin sided swing arm (option 2) | | Chain type | DID X-ring |
| Number of chain links | 106 links |
| Length of 10 links | 160.5 mm |
| Drive chain play | Single sided swing arm - 35 mm - 40 mm |
Lubrication Specifications Table
| Attribute | Value |
|---|
| System type | Pressure Lubrication, Wet sump |
| Oil capacity | 3.50 litres (dry fill) |
3.20 litres (wet fill, includes filter) | 3.00 litres (wet fill, excludes filter) | | Oil pressure | 40.0 psi (in main gallery) |
| Oil pump rotor tip clearance | 0.15 mm |
0.2 mm (service limit) | | Oil pump body clearance | 0.15 mm - 0.22 mm |
0.35 mm (service limit) | | Oil pump rotor end float | 0.02 mm - 0.07 mm |
0.10 mm (service limit) |
Cooling System Specifications Specifications Table
| Attribute | Value |
|---|
| Coolant mixture | 50/50 Distilled Water / Anti-Freeze |
| Anti-freeze type | Mobil Antifreeze |
| Freezing point | - 35 ℃ |
| Coolant system capacity | 2.8 litres |
| Radiator cap opening pressure | 15.9542 psi |
| Thermostat begin to open temperature | 88 ℃ |
| Cooling fan temperature | switches ON @ 103 ℃ |
| Temperature gauge sensor resistance | 2.9 KΩ - 3.3 KΩ @ 15 ℃ |
Fuel System Specifications Table
| Attribute | Value |
|---|
| Fuel type | Unleaded, 95 RON (U.S. 89 CLC/AKI) |
| Fuel tank capacity | 22 litres |
| Low level warning lamp | 4 litres remaining |
| Fuel pump type | Submerged |
| Fuel pressure | 43.511 psi (nominal) |
| Purge control system | Electronic via fuel system ECU |
Fuel Injection System Specifications Table
| Attribute | Value |
|---|
| Type | Electronic, sequential |
| Idle speed | 1,200 rpm |
| Injector type | Twin jet, solenoid operated plate valve |
| Throttle | Cable / twist grip / electronic throttle potentiometer |
| Control sensors | Barometric Pressure Throttle Position, Coolant Temperature Crankshaft Position, Lambda Sensor Induction air temperature |
Ignition System Specifications Table
| Attribute | Value |
|---|
| Type | Digital Inductive |
| Electronic rev limiter | 9,700 rpm |
| Timing pick-up coil resistance | 0.56 KΩ ± 10% @ 20 ℃ |
| Ignition coil type | Plug-top |
| Spark plug type | NGK-CR9EK |
| Spark plug gap | 0.7 mm |
Front Suspension and Steering Specifications Table
| Attribute | Value |
|---|
| Front axel travel | 120 mm |
| Recommended front fork oil grade | Showa SS8 |
| Oil level | 586 mm (fork fully compressed, sping removed) |
Rear Suspension Specifications Table
| Attribute | Value |
|---|
| Rear axel travel | 140 mm |
| Rear suspension bearing grease | Mobil Grease HP 222 |
Front Brake Specifications Table
| Attribute | Value |
|---|
| Front brake type | Two Hydraulically Actuated Four Piston Calipers acting on twin discs |
| Front disc diameter | 320 mm |
| Front disc thickness | 4 mm |
3.5 mm (service limit) | | Front disc run-out | 0.3 mm (service limit) |
| Recommended front brake fluid | Mobil Universal Brake and Clutch Fluid DOT 4 |
| Front master cylinder diameter | 14 mm (inner) |
| Front caliper piston A diameter | 33.96 mm (outer) |
Rear Brake Specifications Table
| Attribute | Value |
|---|
| Rear brake type | Hydraulically Actuated 2 Piston Caliper Single disc |
| Rear disc diameter | 220 mm |
| Rear disc thickness | 5 mm |
4.5 mm (service limit) | | Recommended rear brake fluid | Mobil Universal Brake and Clutch Fluid DOT 4 |
| Rear master cylinder diameter | 14 mm (inner) |
| Rear caliper piston A diameter | 38.18 mm (outer) |
Wheels and Tyres Specifications Table
| Attribute | Value |
|---|
| Front wheel rim axial run-out | 0.5 mm (service limit) |
| Front wheel rim radial run-out | 0.5 mm (service limit) |
| Rear wheel rim radial run-out | 0.5 mm (service limit) |
| Rear wheel rim axial run-out | 0.5 mm (service limit) |
Electrical Charging Specifications Table
| Attribute | Value |
|---|
| Battery type | GS GTX14-BS |
| Battery voltage rating | 12 volts DC |
| Battery capacity | 12 ampere hour (Ah) |
| Alternator current rating | 35 amps |
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