The Triumph Rocket III Roadster is a motorcycle produced from 2017 to 2018 with a four-stroke, 3-cylinder, DOHC engine with a capacity of 2294 cc / 140 cub in. The motorcycle features liquid cooling and a compression ratio of 8.7:1. It also has multipoint sequential electronic fuel injection with twin butterflies and progressive linkage on primary butterflies, wet sump lubrication, and a digital inductive type ignition via electronic engine management. The maximum power of the bike is 109 kW / 146 hp at 5750 rpm and the maximum torque is 221 Nm / 22.5 kgf-m / 163 ft-lb at 3300 rpm. The motorcycle has a shaft final drive and a five-speed transmission. The frame is a tubular steel, twin spine with a swingarm twin-sided steel structure, and it has Kayaba 43mm upside down forks in the front and Kayaba black spring twin shocks with 5 position adjustable preload at the rear. The front brakes are two 320 mm floating discs with Nissin 4-piston fixed calipers and ABS, while the rear brake is a single 316 mm disc with Brembo 2 piston floating caliper and ABS. The Triumph Rocket III Roadster has a length of 2500 mm / 98.3 in, a width of 970 mm / 38.2 in (handlebars), and a height of 1165 mm / 45.8 in, and a wheelbase of 1695 mm / 66.7 in. The motorcycle weighs 320 kg / 704 lbs dry and 367 kg / 807 lbs wet. Its fuel tank has a capacity of 24 litres / 6.3 US gal. The wheels are cast aluminium alloy, and the front tyre is 150/80 V17 while the rear tyre is 250/50 V16.
Technical specifications:
Make Model: Triumph Rocket III Roadster
| Year | 2017 – 18 |
|---|---|
| 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 |
