Overview
The 2025 Kawasaki Ninja ZX-25R boasts a 249.8cc, liquid-cooled, 4-stroke engine with a 50.0 x 31.8 mm bore and stroke. Equipped with a 6-speed transmission, it features 37mm inverted forks (SFF-BP) with top-out springs for front suspension and a horizontal back-link rear suspension. Braking power comes from a semi-floating 310mm disc up front and a 220mm disc at the rear. Rolling on 110/70R17 and 150/60R17 tires, the Ninja ZX-25R has a 15L fuel tank, measures 1,980mm in length, 750mm in width, and 1,110mm in height. It has a 1,380mm wheelbase, a 785mm seat height, and 125mm of ground clearance.
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Brand |
Kawasaki |
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Model |
NINJA ZX-25R 2025 |
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Status |
Available |
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Release Date |
2024 |
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Full Specs and Features |
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PERFORMANCE |
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Front Suspension |
ø37 mm inverted fork (SFF-BP) with top-out springs |
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Rear Suspension |
Horizontal Back-link, gas-charged shock with spring preload adjustability |
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Front Wheel Travel |
120 mm |
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Rear Wheel Travel |
116 mm |
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Rake / Trail |
24.2° / 99 mm |
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Front Tire |
110/70R17M/C 54H |
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Rear Tire |
150/60R17M/C 66H |
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Front Brake(s) |
Single semi-floating ø310 mm disc |
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Front Caliper(s) |
Radial-mount, monobloc, opposed 4-piston |
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Rear Brake |
ø220 mm disc |
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Rear Caliper |
Single-piston |
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Length x Width x Height |
1,980 x 750 x 1,110 mm |
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POWER |
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Maximum Power |
37.5 kW {51 PS} / 15,500 rpm (with Ram Air) |
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Maximum Torque |
22.9 Nm {2.3 kgfm} / 14,500 rpm |
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Engine Type |
Liquid-cooled, 4-stroke In-Line Four |
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Displacement |
249.8 cc |
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Bore x Stroke |
50.0 x 31.8 mm |
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Compression Ratio |
11.5:1 |
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Valve System |
DOHC, 16 valves |
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Fuel System |
Fuel injection: ø30 mm x 4 |
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Ignition |
Digital |
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Starting |
Electric |
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Transmission |
6-speed, return |
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Primary Reduction Ratio |
2.900 (87/30) |
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Final Reduction Ratio |
3.429 (48/14) |
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Clutch |
Wet multi-disc, manual |
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Final Drive |
Chain |
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DETAILS |
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Wheelbase |
1,380 mm |
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Road Clearance |
125 mm |
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Seat Height |
785 mm |
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Curb Mass |
180 kg |
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Fuel Capacity |
15 litres |
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