Intruder Classic 400

2005 Suzuki Intruder Classic 400 Technical Analysis & Specification Breakdown

Positioned in Suzuki's classic motorcycle lineup, the 2005 Suzuki Intruder Classic 400 relies on a 399 cc (24.4 cu in) v2, four-stroke powerplant. In factory specification, peak output is rated at 32.2 HP (23.5 kW) while maximum torque reaches 33 Nm (24.3 lb-ft), transferring power to the rear wheel through a 5-speed gearbox. With a specific output of 80.7 HP per liter, the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.

On the scales, the Intruder Classic 400 measures 244 kg (538 lbs) dry, translating to a power-to-weight ratio of 0.13 HP/kg (7.58 kg per horsepower). Rider ergonomics and chassis geometry center around a 1,655 mm (65.2 in) wheelbase engineered for planted straight-line stability. The 15.5-liter (4.1 US gal) fuel tank supports practical everyday commuting and weekend road stints.

Within MotoLibrary's Suzuki archive, this model family spans 6 indexed model years from 2005 to 2016, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.