The Triumph Speed Twin motorcycle specifications include a 498 cc (30.39 cu in) engine and a listed weight of 158.8 kg (350 lb).
Key specifications
1937, 1938, 1939, 1940, 1947, 1948, 1949, 1950, 1951, 1952, 1953, 1954, 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 2019, 2020, 2021, 2022Model years
498 ccDisplacement
158.8 kgDry weight
1,400 mmWheelbase
Model years covered
1937193819391940194719481949195019511952195319541955195619571958195919601961196219631964196519662019202020212022
Year-specific specification changes
The 1937 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
Displacement
201920221,200 cc (73.22 cu in)
Dry weight
20192021196 kg (432.1 lb)
Front brakes
20192020Double disc. Brembo 2-piston floating caliper
20212022Double disc. Brembo 4-piston fixed calipers, ABS
Front suspension
2019202041mm cartridge forks
2021KYB 41mm cartridge forks
202243mm USD Marzocchi forks
Fuel system
20192020Injection. Multipoint sequential electronic fuel injection with SAI
20212022Injection. Multipoint sequential electronic fuel injection
Rear brakes
20192021Single disc. Brembo 2-piston floating caliper ABS
2022Single disc. Nissin 2-piston floating caliper ABS
Rear suspension
20192020Twin shocks with adjustable preload
2021Twin KYB shocks with adjustable preload
2022Twin RSUs with adjustable preload
Wheelbase
201920211,430 mm (56.3 inches)
20221,413 mm (55.6 inches)
Fuel control
20192022Single Overhead Cams (SOHC)
Ignition
20192020Digital-inductive type via engine management system
Lights
2021LED lights
2022LED daytime running light
How the Triumph Speed Twin compares
This compares the motorcycle with all Triumph models in this specifications database. The blue marker is this model and the grey line is the Triumph database average.
Displacement498 cc
Low 199 ccAverage 949 ccHigh 2,294 cc
About 48% lower than the Triumph database average. Around the 13th percentile across Triumph models.
This model Triumph database average
Triumph database percentile rankings
Percentiles show where this motorcycle sits across the Triumph specifications database. They are descriptive database rankings, not performance ratings.
Displacement13th
498 cc — larger displacement than about 13% of Triumph models.
Mechanical overview
Engine layout snapshot
Twin, four-stroke • 498 cc
Chassis snapshot
Wheelbase 1,400 mm
Chain (final drive)
Engine specifications
| Engine type |
Twin, four-stroke |
| Displacement |
498 cc (30.39 cu in) |
| Fuel system |
Carburettor. Amal |
| Fuel control |
Overhead Valves (OHV) |
| Ignition |
Lucas altrnator |
Transmission and drivetrain
| Final drive |
Chain (final drive) |
Chassis and suspension
| Front suspension |
Telescopic |
| Rear suspension |
Rigid-optional sprung hub |
Brakes, wheels and tires
| Front brakes |
Expanding brake (drum brake) |
| Rear brakes |
Expanding brake (drum brake) |
Dimensions and weight
| Dry weight |
158.8 kg (350 lb) |
| Wheelbase |
1,400 mm (55.1 inches) |
Performance
| Power/weight ratio |
0.1701 hp/kg |
Electrical and instruments
| Lights |
Headlamp-Turner designed nacelle |
Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Triumph models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Triumph information before relying on them. Visit the official Triumph website.