Street Triple R

2011 Triumph Street Triple R Technical Analysis & Specification Breakdown

Positioned in Triumph's naked motorcycle lineup, the 2011 Triumph Street Triple R features a 675 cc (41.2 cu in) liquid-cooled in-line three, four-stroke configuration. In factory specification, peak output is rated at 105 HP (76.6 kW) at 11,700 rpm while maximum torque reaches 67.8 Nm (50 lb-ft) at 9,200 rpm, transferring power to the rear wheel through a 6-speed gearbox and chain final drive. With a specific output of 155.6 HP per liter and a 2,500 rpm working window between peak torque (9,200 rpm) and peak power (11,700 rpm), the engine character is placing it firmly in high-revving supersport territory where top-end breathing dominates.

On the scales, the Street Triple R measures 188.7 kg (416 lbs) wet (curb), translating to a power-to-weight ratio of 0.56 HP/kg (1.8 kg per horsepower). Rider ergonomics and chassis geometry center around a 805 mm (31.7 in) seat height — offering a neutral standover height that accommodates most average-inseam riders without sacrificing cornering clearance, combined with a 1,410 mm (55.5 in) wheelbase engineered for quick, flickable steering geometry. The 17.41-liter (4.6 US gal) fuel tank supports practical everyday commuting and weekend road stints.

Within MotoLibrary's Triumph archive, this model family spans 11 indexed model years from 2009 to 2023, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.