FMX 650

2007 Honda FMX 650 Technical Analysis & Specification Breakdown

Positioned in Honda's allround motorcycle lineup, the 2007 Honda FMX 650 features a 644 cc (39.3 cu in) air-cooled single cylinder, four-stroke configuration. In factory specification, peak output is rated at 37 HP (27 kW) at 5,750 rpm while maximum torque reaches 52.3 Nm (38.6 lb-ft) at 4,500 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 57.5 HP per liter and a 1,250 rpm working window between peak torque (4,500 rpm) and peak power (5,750 rpm), the engine character is prioritizing low-RPM tractability, mechanical longevity and relaxed throttle response over peak redline numbers.

On the scales, the FMX 650 measures 163 kg (359 lbs) dry, translating to a power-to-weight ratio of 0.23 HP/kg (4.41 kg per horsepower). Rider ergonomics and chassis geometry center around a 875 mm (34.4 in) seat height — reflecting a long-travel chassis stance that favors ground clearance and off-pavement control, combined with a 1,490 mm (58.7 in) wheelbase engineered for balanced agility and highway composure. The 11-liter (2.9 US gal) fuel tank supports practical everyday commuting and weekend road stints.

Within MotoLibrary's Honda archive, this model family spans 2 indexed model years from 2006 to 2007, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.