The Kawasaki Ninja ZX‑25R is a quarter‑litre sportbike that brings an in‑line four‑cylinder engine to a compact, agile platform—ideal for riders seeking a blend of high‑revving performance and manageable size. It’s well suited for enthusiasts who appreciate the distinctive sound and character of a multi‑cylinder engine, yet want a bike that’s approachable for both urban commuting and spirited weekend rides. With its sporty ergonomics and advanced features, the ZX‑25R appeals to riders who value precision, responsiveness, and a premium riding experience in a nimble package.
In Malaysia, the Ninja ZX‑25R is offered in two variants: SE and RR. Both share a 249.8 cc liquid‑cooled in‑line four engine producing around 46 PS at 15,500 rpm and approximately 22 Nm of torque. The SE comes with preload‑adjustable inverted front forks and a gas‑charged rear shock, while the RR steps up with Showa SFF‑BP front forks and a fully adjustable Showa BFRC rear monoshock. Both variants feature a 6‑speed gearbox with quickshifter, assist & slipper clutch, traction control, power modes, ABS, and a TFT instrument panel with smartphone connectivity. The SE was launched at around RM 33,900, and the RR around RM 36,500 in Malaysia.
| Engine Type | Liquid‑cooled, 4‑stroke In‑Line Four |
|---|---|
| Displacement | 250cc |
| Maximum Power | 34.5 kW {46 PS} / 15,500 RPM |
| Maximum Torque | 22 N·m / 12,500 RPM |
| Bore × Stroke | 50.0 × 31.8 mm |
| Compression Ratio | 11.5:1 |
| Transmission | 6‑speed, return, dog‑ring |
| Cooling | Liquid‑cooled |
| Fuel Tank Capacity | 15 litres |
| Wet / Kerb Weight | 184 kg |
| Seat Height | 785 mm |
| Wheelbase | 1,380 mm |
| Dimensions (L×W×H) | 1,980 × 750 × 1,110 mm |
| Front Suspension | ø37 mm inverted fork (SFF‑BP) with top‑out springs |
| Rear Suspension | Horizontal Back‑link, gas‑charged shock with spring preload adjustability |
| Brakes (Front) | Dual semi‑floating ø310 mm discs, radial‑mount, monobloc, opposed 4‑piston |
| Brakes (Rear) | Single ø220 mm disc, Single‑piston |
| Tires | Front 110/70R17M/C (54H); Rear 150/60R17M/C (66H) |
| Frame | Trellis, high‑tensile steel |
| Display | TFT colour instrumentation with smartphone connectivity |
| Features | Electronic Throttle Valves, Economical Riding Indicator, Power Modes, KTRC, KQS, Assist & Slipper Clutch, ABS, Smart Connectivity |
| Riding Modes | – |
| Fuel Efficiency | – |
| Top Speed | – |
| 0–100 km/h | – |
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