1993-2002 Aprilia RS 125 Service Manual (291 P.)

Technical Scope of the 1993–2002 Aprilia RS 125 Service Manual

This 1993–2002 Aprilia RS 125 service manual provides technical data and maintenance parameters for the RS 125 range, including specifications for the two-stroke engine and chassis systems. The manual details fluid capacities, torque values for threaded fasteners, and inspection intervals for the fuel system, braking circuits, and electrical components. It documents the standard service schedules, including running-in recommendations and the procedure for checking wear on the disc brake pads and drive chain.

Manual Contents Overview

The documentation is structured to assist with routine maintenance and system inspections, covering the engine, cooling system, and electrical architecture of the motorcycle. It details the setup for the multifunction computer, including the coolant temperature thermistor range and diagnostic functions. Additional information covers the lubrication charts for various points, tyre pressure requirements for different loads, and the specific procedures for managing the fuel tank and carburetor systems. The manual also includes diagrams and identification notes for the frame and engine serial numbers, ensuring the correct matching of parts during service.

Engine and Chassis Specifications

Technical data sections provide engine-specific values, such as the 124.82 cu. cm displacement and the 12.5 ± 0.5:1 compression ratio. Cylinder head bolt torque values are documented in the fastening element tables to ensure correct assembly. Coolant system capacity for the 1993–2002 Aprilia RS 125 is documented at 0.8 liters. The engine idling speed for the 1993–2002 Aprilia RS 125 is specified at 1250 ± 100 rpm in the engine data section. Electrical output for the alternator generator is rated at 12 V - 180 W, as listed in the technical data charts.

• Covers the 1993–2002 Aprilia RS 125 (ZD4DW) including multiple global homologation variants
• Official Aprilia publication, first release November 2002
• Contains 291 pages of technical specifications, torque settings, and system diagrams
• Downloads to your account within seconds of checkout
• Indexed PDF search covers every chapter and appendix
• This 2002 factory edition provides the primary technical foundation for all ZD4DW-frame production units built between 1993 and 2002.

Reference only — always consult a certified technician before performing service on this equipment.