2025 Yamaha Mt09Sp Technical Analysis & Specification Breakdown
Built around Yamaha's motorcycle platform, the 2025 Yamaha Mt09Sp relies on a 889 cc engine powerplant. Internal engine geometry specifies a bore and stroke of 78.0mm x 62.1mm with a 11.5:1 compression ratio.
On the scales, the Mt09Sp measures 428 kg (944 lbs) wet (curb). Rider ergonomics and chassis geometry center around a 32 mm (1.3 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 56 mm (2.2 in) wheelbase engineered for quick, flickable steering geometry. The 3.7-liter (1 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Yamaha archive, this model family spans 2 indexed model years from 2025 to 2026, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
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