250cc 4-CYLINDER ENGINE

NINJA ZX-25R

Redefining the quarter-liter class with a liquid-cooled 16-valve In-Line Four engine. This is the only bike in its class that screams with true supersport DNA.

Electronic Throttle Valves

Enables the ECU to deliver the ideal amount of both fuel and air to the engine, resulting in smooth, natural engine response and optimum output.

Kawasaki Traction Control

Three modes of KTRC provide enhanced sport riding performance and peace of mind when negotiating low-friction surfaces.

Radial-Mount Front Caliper

Monobloc radial-mount front brake caliper provides firm initial bite and superb braking force control.

Center Ram Air System

Inspired by the Ninja ZX-10R, the center ram air system improves engine performance by increasing air intake efficiency.

TECHNICAL SPECIFICATIONS

Engine TypeLiquid-cooled, 4-stroke In-Line Four
Displacement249.8 cc
Maximum Power37.5 kW {51 PS} / 15,500 rpm (Ram Air)
Maximum Torque22.9 N.m / 14,500 rpm
Transmission6-speed, return
Front Suspensionø37 mm inverted fork (SFF-BP)
Curb Mass180 kg
Fuel Capacity15 Litres