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BMW S 1000 RR vs Yuki Hammer 125

ESTIMATED SIMULATION

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The BMW S 1000 RR (2025) and the Yuki Hammer 125 (2026) are compared with the same Moto Kıyas physics model under identical conditions: flat dry asphalt, no wind, a 75 kg rider and no passenger. The BMW S 1000 RR is a sport bike with 999 cc, 206.5 hp and 198 kg; the Yuki Hammer 125 is a naked bike with 124 cc, 9.1 hp and unlisted weight. Power-to-weight with the rider: 756.5 hp/ton versus 47.6 hp/ton. On this measure the BMW S 1000 RR is 1,488% ahead.

0-100 km/h (speedometer): BMW S 1000 RR 2.84 s, Yuki Hammer 125 not reached (top simulated speed 69 km/h). In the 60-0 km/h brake test, braking distance without the 0.3 s reaction time is 13.1 m for the BMW S 1000 RR (with ABS) and 17.3 m for the Yuki Hammer 125 (ABS unknown, class assumption: no ABS). The BMW S 1000 RR stops 4.2 m shorter. The standard 60-0 test is used because one calculated top speed is below 110 km/h. Calculated top speed: 287 km/h (manufacturer claim) versus 83 km/h (manufacturer claim).

All values are an estimated simulation, not road-test measurements. Technical data comes from the sources listed below; the model uses model-specific parameters calibrated against published road tests for the BMW S 1000 RR and class-average calibration (no accepted model-specific road test) for the Yuki Hammer 125. Open the interactive app (currently in Turkish) to watch the run side by side and change the load.

Estimated simulationBMW S 1000 RRYuki Hammer 125
Classsport bikenaked bike
Engine999 cc124 cc
Power206.5 hp9.1 hp
Wet weight198 kgno data
Power-to-weight (75 kg rider)756.5 hp/ton47.6 hp/ton
0-100 km/h (speedometer)2.84 snot reached (top simulated speed 69 km/h)
60-0 km/h braking distance13.1 m17.3 m
Top speed (calc.)287 km/h83 km/h

Data sources and calibration

Specifications: the sources below (manufacturer pages, plus road-test or spec sites where the manufacturer gives no figure). Acceleration, braking and top speed: Moto Kıyas physics simulation (power/torque curve, gearing, drag, traction and wheelie limits, ABS assumption), calibrated against published road tests where available. Estimated, not measured.

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