Introduction

Aprilia - RS 125 ABS (2017, ZD4KC000)

The Aprilia RS 125 ABS (model ZD4KC000) introduced in 2017 marks a modern shift in the RS line: embracing a four‑stroke engine, fuel injection, and standard ABS. It targets riders who demand sporty appearance, everyday practicality, and enhanced safety features in a 125 cc package.
Compared to earlier two‑stroke versions, this ABS-equipped model stands out with its updated electronics, Euro 4 compliance, and refined component spec.

Model History

In 2017, Aprilia relaunched the RS 125 platform with a new four‑stroke engine, deviating significantly from its two‑stroke ancestors.
The ZD4KC000 code designates the ABS version in the “KC” RS family.
This generation was built to remain competitive in the small displacement sportbike category by integrating modern systems like ABS and fuel injection.

Technical Specifications

The RS 125 ABS is powered by a liquid-cooled, single‑cylinder four‑stroke engine with a displacement of 124.2 cm³. :contentReference[oaicite:0]{index=0} It produces approximately **11 kW (15 PS)** at roughly 10,750 rpm. :contentReference[oaicite:1]{index=1} Power is delivered via a 6-speed gearbox with chain final drive. :contentReference[oaicite:2]{index=2} Fuel is delivered by an electronic injection (EFI) system. :contentReference[oaicite:3]{index=3} The engine meets Euro‑4 emission regulations. :contentReference[oaicite:4]{index=4}

Chassis, Suspension & Brakes

The frame is an aluminium perimeter design optimized for rigidity and agility. :contentReference[oaicite:5]{index=5} Front suspension employs an upside/​down telescopic fork, while the rear has a centrally mounted monoshock. :contentReference[oaicite:6]{index=6} Braking is handled by a 300 mm front disc with ABS and a 218 mm rear disc also with ABS. :contentReference[oaicite:7]{index=7} Tire sizes are **100/80‑17** at the front and **130/70‑17** at the rear. :contentReference[oaicite:8]{index=8}

Dimensions & Weight

Seat height is approximately **820 mm**. :contentReference[oaicite:9]{index=9} Wet (ready-to-ride) weight is about **145 kg**. :contentReference[oaicite:10]{index=10} Fuel tank capacity: 14.5 liters. :contentReference[oaicite:11]{index=11}

Design & Features

The RS 125 ABS features full sportbike fairing with aggressive styling and sharp lines.
It includes LED lighting, a digital instrument cluster, and may feature USB connectivity or optional extras depending on variant. :contentReference[oaicite:12]{index=12} The dual-channel ABS system enhances rider safety, particularly under strong braking conditions.
Typical liveries include racing-inspired colours and contrast decals.

Conclusion

The Aprilia RS 125 ABS (2017, ZD4KC000) reflects a mature evolution of the RS line—delivering modern four-stroke technology, safety via ABS, and sportbike character in a compact, capable package. It appeals to riders seeking a performance-oriented 125cc machine that is also suited for daily use.