Introduction

Aprilia - Rally 50 AC (2000–2003, ZD4MD0)

The Aprilia Rally 50 AC (type ZD4MD0) is the air-cooled 50 cc version of the Rally series, produced in the early 2000s. With its robust and simple design, it targets riders who value classic mechanics and daily reliability.
While it belongs to the Rally family, the AC variant is characterised by reduced technical complexity – ideal for low-maintenance use and long-term dependability.

Model history

From 2000 onwards, the ZD4MD0 type continued production alongside newer and more modernised variants.
The AC version was especially appreciated as a cost-effective and rugged choice on many European markets.
Production and technical drawings for the years 2000 to 2003 are documented.

Technical details

Air-cooled single-cylinder two-stroke engine with 49.3 cc displacement.
Power output adapted to national 50 cc regulations.
Continuously variable CVT transmission with belt drive.
Both electric starter and kickstarter present.
Dry weight: approx. 87 kg, fuel tank capacity: approx. 6 litres.

Chassis and brakes

Front disc brake (~190 mm), rear drum brake.
Tyre sizes: 120/90‑10 at the front, 130/90‑10 at the rear.
Riding geometry optimised for stability and agility in urban environments.
Typical seat height: around 800 mm.

Colours and special features

Available in classic colours like black, white or grey with simple decals.
Characteristic features: minimalistic lines, no liquid cooling, compact Rally styling.
No official special editions are known, but many units were customised individually.