The Triumph Bonneville Bobber is a motorcycle model produced between 2017 and 2018, featuring a four-stroke, parallel twin engine with a capacity of 1198cc. The engine has a compression ratio of 10.0:1 and is liquid-cooled, with lubrication provided through a wet sump system. The bike features straight line stainless steel twin-skin slash cut twin stubby silencers, and the fuel is delivered through multipoint sequential electronic fuel injection. The bike is started electrically and reaches a maximum power of 57.4 kW or 77 hp at 6550 rpm, with a maximum torque of 105 Nm or 77.4 ft-lbs at 3100 rpm. The transmission is a 6-speed manual with a wet, multi-plate clutch and a final drive is via a chain with an X-ring. The frame is a dual tubular steel cradle, with Kayaba 41 mm forks and a Kayaba twin shocks with adjustable preload providing suspension. Braking is provided through a single 310 mm disc with 2 piston floating Nissen calipers with ABS on the front and a single 255 mm disc with 2 piston floating Nissen caliper with ABS on the rear. The wheels are wire 32-spoke steel rims with the front tire being 100/90-19 and the rear tire being 150/80-16. The bike’s dimensions include a length of 2235 mm, a width of 800 mm, and a height of 1025 mm. The wheelbase is 1510 mm and the seat height is 690 mm solo. The dry weight of the bike is 228.0 kg or 502.7 lbs, and the fuel capacity is 10.6 liters or 2.8 US gallons or 3.2 imperial gallons.
Technical specifications:
Make Model: Triumph Bonneville Bobber
| Year | 2017 – 18 |
|---|---|
| Engine | Four stoke, parallel twin, 270o crank, SOHC |
| Capacity | 1198 cc / 73.1 cu in |
| Bore x Stroke | 97.6 x 80 mm |
| Compression Ratio | 10.0:1 |
| Cooling System | Liquid cooled |
| Lubrication | Wet sump |
| Exhaust | Straight line stainless steel twin-skin slash cut twin stubby silencers |
| Induction | Multipoint sequential electronic fuel injection |
| Ignition | Digital |
| Starting | Electric |
| Max Power | 57.4 kW / 77 hp @ 6550 rpm |
| Max Torque | 105 Nm / 10.7 kgf-m / 77.4 ft-lbs @ 3100 rpm |
| Clutch | Wet, multi-plate |
| Transmission | 6-Speed |
| Final Drive | Chain, X-ring |
| Frame | Dual tubular steel cradle |
| Front Suspension | Kayaba 41 mm forks |
| Front Wheel Travel | 120 mm / 4.7 in |
| Rear Suspension | Kayaba twin shocks with adjustable preload |
| Rear Wheel Travel | 120 mm / 4.7 in |
| Front Brakes | Single 310 mm disc, 2 piston floating Nissen calipers, ABS |
| Rear Brakes | Single 255 mm disc, 2 piston floating Nissen caliper, ABS |
| Wheels | Wire 32-spoke, steel rims |
| Front Tyre | 100/90-19 |
| Rear Tyre | 150/80-16 |
| Rake | 25.8 o |
| Trail | 87.0 mm / 3.4 in |
| Dimensions | Length 2235 mm / 87.9 in Width 800 mm / 31.5 in Height 1025 mm / 40.4 in |
| Wheelbase | 1510 mm / 59.4 in |
| Seat Height Solo | 690 mm / 27.2 in |
| Dry Weight | 228.0 kg / 502.7 lbs |
| Fuel Capacity | 10.6 Litres / 2.8 US gal / 3.2 Imp gal |
