Ducati 851 SP 4 vs Yamaha YZF R9 (2026)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Ducati 851 SP 4stacks up against the Yamaha YZF R9. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecDucati 851 SP 4Yamaha YZF R9
Model year19922026
Price$12,499
Engine888 cc890 cc
Horsepower97 hp
Weight195 kg
Seat height830 mm
Fuel capacity5.3 L14.0 L
Fuel typepetrolpetrol
Transmission6-speedManual, 6 speed, Chain
Front brakesDual discDual Hydraulic Disc
Rear brakesSingle discHydraulic Disc
Tires120/70-17 / 180/55-17 Bridgestone® BATTLAX HYPERSPORT S22F 120/70 ZR17 / Bridgestone® BATTLAX HYPERSPORT S22R 180/55 ZR17

Ducati 851 SP 4 vs Yamaha YZF R9 — which should you buy?

Picking between the Ducati 851 SP 4 and the Yamaha YZF R9 usually comes down to the numbers you care about most. On paper, the Ducati 851 SP 4 brings 97 hp, while the Yamaha YZF R9 counters with its own power figure at 195 kg.

Our spec tables above highlight the winning number on each line. For the full rider-focused reviews including real-world fuel economy, service costs and available colors, click into either bike: