SMX 125

2003 Rieju SMX 125 Technical Analysis & Specification Breakdown

Positioned in Rieju's super motard motorcycle lineup, the 2003 Rieju SMX 125 features a 125 cc (7.6 cu in) single cylinder, four-stroke configuration. In factory specification, peak output is rated at 14.5 HP (10.6 kW). With a specific output of 116 HP per liter, the engine character is reflecting a performance-oriented street tune that balances strong mid-range pull with an energetic top-end rush.

Rider ergonomics and chassis geometry center around a 1,332 mm (52.4 in) wheelbase engineered for quick, flickable steering geometry. The 8.4-liter (2.2 US gal) fuel tank supports practical everyday commuting and weekend road stints.

Within MotoLibrary's Rieju archive, this model family spans 4 indexed model years from 2003 to 2008, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.