The Triumph Rocket III Roadster motorcycle is a powerful machine with a four-stroke, 3-cylinder, DOHC engine that has a capacity of 2294 cc. It has a liquid-cooled system, compression ratio of 8.7:1, and multipoint sequential electronic fuel injection with twin butterflies and progressive linkage on primary butterflies. The lubrication system is wet sump, and the engine oil used is synthetic 15W/50. The exhaust is made of stainless steel and has a 3 into 1 into 2 design with large volume catalysts in front of chrome-plated exhaust. It has a digital inductive type ignition via electronic engine management and electric starting.
The motorcycle can produce a maximum power of 109 kW / 146 hp at 5750 rpm and a maximum torque of 221 Nm / 22.5 kgf-m / 163 ft-lb at 3300 rpm. The clutch is a wet, multi-plate type and the transmission has 5 speeds. The final drive is a shaft with gear ratios of 1st: 41/14, 2nd: 37/19, 3rd: 33/23, 4th: 29/25, and 5th: 27/28:1.
The Triumph Rocket III Roadster has a tubular steel twin-spine frame with a swingarm twin-sided steel design. The front suspension is made of Kayaba 43mm upside-down forks with a front wheel travel of 120 mm, while the rear suspension has Kayaba black spring twin shocks with 5 position adjustable preload and a rear wheel travel of 105 mm. Front brakes have 2 x 320 mm floating discs with a Nissin 4-piston fixed caliper and ABS, while the rear brake is a single 316 mm disc with a Brembo 2-piston floating caliper and ABS. The front and rear wheels are made of cast aluminum alloy with a 5-spoke design.
The motorcycle has a length of 2500 mm, width of 970 mm (handlebars), height of 1165 mm, and a wheelbase of 1695 mm. The seat height is 750 mm while the dry weight is 320 kg and the wet weight is 367 kg. The fuel capacity is 24 liters or about 6.3 US gallons. Overall, the Triumph Rocket III Roadster is a powerful and well-designed motorcycle.
Technical specifications:
Make Model: Triumph Rocket III Roadster
| Year | 2015 – 16 |
|---|---|
| Engine | Four stroke, 3-cylinder, DOHC |
| Capacity | 2294 cc / 140 cub in |
| Bore x Stroke | 101.6 x 94.3 mm |
| Cooling System | Liquid cooled |
| Compression Ratio | 8.7:1 |
| Induction | Multipoint sequential electronic fuel injection with twin butterflies and progressive linkage on primary butterflies |
| Lubrication | Wet sump |
| Engine Oil | Synthetic, 15W/50 |
| Oil Capacity | 5.9 L / 1.6 US gal / 1.3 Impgal |
| Exhaust | Stainless steel 3 into 1 into 2, large volume catalysts in front of chrome-plated exhaust |
| Ignition | Digital inductive type via electronic engine management |
| Starting | Electric |
| Max Power | 109 kW / 146 hp @ 5750 rpm |
| Max Torque | 221 Nm / 22.5 kgf-m / 163 ft-lb @ 3300 rpm |
| Clutch | Wet, multi plate |
| Transmission | 5 Speed |
| Final Drive | Shaft |
| Gear Ratios | 1st: 41/14 / 2nd: 37/19 / 3rd: 33/23 / 4th: 29/25 / 5th: 27/28:1 |
| Frame | Tubular steel, twin spine, swingarm twin-sided, steel |
| Front Suspension | Kayaba 43mm upside down forks |
| Front Wheel Travel | 120 mm / 4.7 in |
| Rear Suspension | Kayaba black spring twin shocks with 5 position adjustable preload |
| Rear Wheel Travel | 105 mm / 4.1 in |
| Front Brakes | 2 x 320 mm Floating discs, Nissin 4-piston fixed caliper, ABS |
| Rear Brakes | Single 316 mm disc, Brembo 2 piston floating caliper, ABS |
| Wheels Front | Cast aluminium alloy, 5-spoke, 17 x 3.5 in |
| Wheels Rear | Cast aluminium alloy, 5-spoke, 16 x 7.5 in |
| Front Tyre | 150/80 V17 |
| Rear Tyre | 250/50 V16 |
| Rake | 32 degrees |
| Trail | 148 mm / 5.8 in |
| Dimensions | Length 2500 mm / 98.3 in Width 970 mm / 38.2 in (Handlebars) Height 1165 mm / 45.8 in |
| Wheelbase | 1695 mm / 66.7 in |
| Seat Height | 750 mm / 29.5 in |
| Dry Weight | 320 kg / 704 lbs |
| Wet Weight | 367 kg / 807 lbs |
| Fuel Capacity | 24 Litres / 6.3 US gal |
