Triumph Street Twin - 2017 Specifications and Reviews

The 2017 Triumph Street Twin is a lightweight modern classic designed for riders seeking style and approachability. Known for its retro aesthetic combined with contemporary handling and ABS-equipped braking, it excels as an excellent entry-level middleweight or daily commuter. Its nimble 198 kg frame and efficient 900cc engine make it perfect for new and experienced riders alike who value character over outright performance.

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General information

CategoryNaked bike
Year2017
ModelTriumph Street Twin
 
 

Engine and Transmission Specifications

Exhaust systemBrushed stainless steel 2 into 2 exhaust system with twin silencers
Greenhouse gases89.8 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel consumption3.87 litres/100 km (25.8 km/l or 60.78 mpg)
DrivelineX ring chain
ClutchWet. multi-plate assist
Transmission type,final driveChain
Gearbox5-speed
Cooling systemLiquid
Fuel controlDouble Overhead Cams/Twin Cam (DOHC)
Fuel systemInjection. Multipoint sequential electronic fuel injection
Valves per cylinder4
Bore x Stroke84.6 x 80.0 mm (3.3 x 3.1 inches)
Compression10.6:1
Torque80.00 Nm (8.2 kgf-m or 59.0 ft.lbs) @ 3230 RPM
Power55.00 HP (40.1 kW) @ 5900 RPM
Engine details270° crank angle
Engine typeTwin, four-stroke

Brakes, suspension, Frame and wheels

WheelsCast aluminium alloy multi-spoke
Rear brakes diameter255 mm (10.0 inches)
Rear brakesSingle disc. ABS. Floating disc. Two-piston calipers.
Front brakes diameter310 mm (12.2 inches)
Front brakesSingle disc. ABS. Floating discs. Two-piston calipers.
Rear tyre150/70-R17
Front tyre100/90-18
Rear wheel travel120 mm (4.7 inches)
Rear SuspensionKYB twin shocks with adjustable preload.
Front wheel travel120 mm (4.7 inches)
Front SuspensionKYB 41mm forks.
Trail100 mm (3.9 inches)
Rake (fork angle)25.1°
Frame typeTubular steel cradle

Physical measures and capacities

Oil capacity3.80 litres (0.25 quarts)
Fuel capacity12.11 litres (3.20 gallons)
Wheelbase1,415 mm (55.7 inches)
Overall width785 mm (30.9 inches)
Overall height1,115 mm (43.9 inches)
Seat height750 mm (29.5 inches) If adjustable, lowest setting.
Power/weight ratio0.2778 HP/kg
Dry weight198.0 kg (436.5 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
CommentsTraction control
InstrumentsLCD multi-functional instrument.
StarterElectric
Color optionsBlack, Red, Silver, Matt Black, Jet Black

Performance Profile & Rider Fit

65 hp
Peak Power
4.8s
0-60 mph

Best For

Track25%
City88%
Cornering72%
Daily Riding85%
Touring45%
Passenger50%

Rider Profile

Best ForWell suited to newer riders and returning riders thanks to its approachable power delivery, low seat height, and forgiving manners, while still having enough character to satisfy more experienced owners looking for a relaxed second bike.
PurposeBuilt primarily as a stylish, easygoing modern classic for commuting and weekend rides rather than outright performance or long-distance touring.
Rider FitIts low 765mm seat height and modest 216kg weight make it accessible to shorter riders and easy to manage at a standstill or in tight parking situations.
CharacterA torquey, characterful parallel-twin roadster that prioritizes smooth, tractable real-world power and classic British styling over outright speed.
Not Ideal ForNot the right choice for riders chasing high-speed thrills, serious off-road capability, or a dedicated long-haul touring setup with passenger comfort and wind protection.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2017 Triumph Street Twin Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 750mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2017 Triumph Street Twin, with a moderate knee angle of around 115 degrees and a forward-leaning riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

Find bikes that fit your height →

⚠ Safety Recalls (2)

ELECTRICAL SYSTEM:WIRING Feb 2019 · 19V133000

Triumph Motorcycles America, LTD (Triumph) is recalling certain 2016-2019 Bonneville T120 and Bonneville T120 Black, 2017-2019 Bonneville T100 and T100 Black, 2017-2018 Street Cup and Street Scrambler, and 2016-2018 Street Twin motorcycles. The clutch cable may contact the main harness cover and cause damage to wiring within the main harness. This may lead to a loss of electrical power to various electrical circuits.

Risk: Loss of electrical power may cause the headlight or indicator lighting to malfunction or the engine to stall, increasing the risk of a crash.

Remedy: Triumph will notify owners, and dealers will replace the original securing guide for the clutch cable and main harness with an updated one, free of charge. The recall began March 27, 2019. Owners may contact Triumph customer service at 1-678-854-2010. Triumph's number for this recall is SRAN560.

SERVICE BRAKES, HYDRAULIC Jun 2016 · 16E057000

Triumph Motorcycles America, LTD (Triumph) is recalling certain accessory Adjustable Brake Levers, sold as part of an aftermarket lever replacement kit, part number A2021334. These brake levers are intended for installation on 2016 and 2017 Thruxton 1200, Street Twin, Bonneville T120, and Bonneville T120 Black motorcycles. Under certain conditions, the brake levers may contact the handlebar before maximum braking force is applied.

Risk: Without the ability to apply maximum front braking, the distance needed to stop the motorcycle may be lengthened, increasing the risk of a crash.

Remedy: Triumph will notify owners, and dealers will replace the affected brake levers, free of charge. The recall began July 7, 2016. Owners may contact Triumph customer service at 1-678-854-2010.

Source: NHTSA. View all Triumph recalls →

Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2017 Triumph Street Twin is a stylish and versatile motorcycle that offers a comfortable riding experience. Its 900cc parallel-twin engine delivers smooth and responsive power, making it well-suited for urban commuting and long-distance rides. The Street Twin also features modern features such as ABS, traction control, and rider modes, providing added confidence and control on the road. With its classic design and modern performance, the Triumph Street Twin is a great option for riders looking for a reliable and enjoyable motorcycle. Overall, the 2017 Triumph Street Twin is a fantastic choice for riders seeking a blend of classic style and contemporary performance. Its comfortable and responsive ride, along with its advanced safety features, make it a great option for both daily commutes and weekend adventures. With its combination of timeless design and modern technology, the Street Twin offers a truly enjoyable riding experience for motorcycle enthusiasts.
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