Yamaha R25 thus far is known to reach 173 kmph top speed via speedo pictures and blog reports. Here is a video of R25 bikes charging and leaning on Sentul International Circuit, Indonesia, where speedo indicating highest velocity is zoomed in to prove.
Report of same was posted earlier.
Further, here is a video showing Yamaha R25 touching 196 kmph mark during dynamometer test. Dynojet 250i machine tests Yamaha R25’s power and torque behaviour against engine speed, among other parameters including top speed. Difference of 23 kmph on dynamometer comes from lack of wind resistance (drag), asphalt friction and similar factors that drain a motorcycle’s power on road.
Yamaha R25 is powered by inline 2 cylinder 249cc four stroke liquid cooled engine with four valves, DOHC direct drive camshaft. Max. power produced is 36 PS @ 12,000 rpm and peak torque recorded is 22.1 Nm @ 10,000 rpm.
Nicknamed baby M1, YZF R25 bears body styling and detailed design cues of Yamaha’s R series descent, especially that of Yamaha YZF M1. Yamaha R25 comes with sporty twin headlamps separated by air duct, multi-layer front fairing, split-seats, LED tail lamp and aluminium alloy wheels.
Instrument cluster is sporty and functional with features like gear position indicator, shift timing indicator light, FI diagnostics, timer, engine temperature warning, oil change indicator, fuel consumption indicator, tripmeter and odometer.
Also read – Yamaha R25 beats Kawasaki Ninja 250 FI on race track comparison.