Triumph Rocket III Roadster - 2013 Specifications and Reviews
The 2013 Triumph Rocket III Roadster is a heavyweight cruiser built for riders seeking raw power and distinctive character. Its massive 2294cc triple engine delivers 148 horsepower and exceptional 221 Nm torque, making it famous for combining cruiser styling with thrilling performance. Best suited to experienced riders who want a unique, shaft-driven alternative to traditional V-twins.
General information | |
| Category | Custom / cruiser |
| Year | 2013 |
| Model | Triumph Rocket III Roadster |
| | |
Engine and Transmission Specifications | |
| Exhaust system | Stainless steel 3 into 1 into 2. large volume catalysts in front of chrome-plated exhaust |
| Greenhouse gases | 188.2 CO |
| Fuel consumption | 8.11 litres/100 km (12.3 km/l or 29.00 mpg) |
| Clutch | Wet. multi-plate |
| Transmission type,final drive | Shaft drive (cardan) |
| Gearbox | 5-speed |
| Cooling system | Liquid |
| Ignition | Digital-inductive type via engine management system |
| Fuel control | DOHC |
| Fuel system | Injection. Multipoint sequential electronic fuel injection with twin butterflies and progressive linkage on primary butterflies |
| Bore x stroke | 101.6 x 101.6 mm (4.0 x 4.0 inches) |
| Compression | 8.7:1 |
| Torque | 221.00 Nm (22.5 kgf-m or 163.0 ft.lbs) @ 2750 |
| Power | 148.00 |
| Engine type | In-line three, four-stroke |
| Capacity: | 2294.00 ccm (139.98 cubic inches) |
| | |
Brakes, suspension, Frame and wheels | |
| Wheels | Cast aluminum alloy 5 spoke |
| Rear brakes diameter | 316 mm (12.4 inches) |
| Rear brakes | Single disc. Nissin 4-piston fixed calipers, Nissin ABS system. |
| Front brakes diameter | 320 mm (12.6 inches) |
| Front brakes | Double disc. Nissin 4-piston fixed calipers, Nissin ABS system. |
| Rear tyre dimensions | 240/50-R16 |
| Front tyre dimensions | 150/80-R17 |
| Rear suspension | KYB black spring twin shocks with 5 position adjustable preload. 105mm wheel travel |
| Front suspension | KYB 43mm upside down forks. 120mm travel |
| Trail | 148 mm (5.8 inches) |
| Rake (fork angle) | 32.0° |
| Frame type | Tubular steel. twin spine |
Physical measures and capacities | |
| Oil capacity | 5.90 litres (0.39 quarts) |
| Fuel capacity | 24.00 litres (6.34 gallons) |
| Wheelbase | 1,695 mm (66.7 inches) |
| Overall width | 970 mm (38.2 inches) |
| Overall length | 2,500 mm (98.4 inches) |
| Overall height | 1,165 mm (45.9 inches) |
| Seat height | 750 mm (29.5 inches) If adjustable, lowest setting. |
| Weight incl. oil, gas, etc | 367.0 kg (809.1 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Color options | Phantom Black, Matte Black |
| Factory warranty | 2 year warranty unlimited mileage |
| Starter | Electric |
Performance Profile & Rider Fit
148 hp
Peak Power
3.4s
0-60 mph
Best For
Track25%
City45%
Cornering45%
Daily Riding65%
Touring65%
Passenger70%
Rider Profile
| Best For | This is a machine best suited to experienced riders who are confident managing enormous low-end torque and substantial weight at low speeds. |
| Purpose | Built as a muscular power-cruiser, it delivers brutal straight-line acceleration and effortless overtaking rather than nimble cornering ability. |
| Rider Fit | At 334 kg dry with a low seat height, it is manageable once rolling but demands strength and confidence during slow maneuvers, parking, and U-turns. |
| Character | The Rocket III Roadster has a dominant, torque-drenched personality that rewards relaxed, throttle-driven riding over aggressive lean-angle attacks. |
| Not Ideal For | This is not the right bike for new riders, tight urban commuting, or anyone seeking a light, flickable machine for twisty backroads. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
Rider Reviews
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