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

Engine diagnostics, carburetor tuning, and suspension service for RS 125 (ZD4DW): compression settings, fuel specifications, cooling system capacities. Complete shop procedures.

4.6starstarstarstarstar_half(5)
visibility Preview Available
Aprilia 1993-2002 Aprilia RS 125 Service Manual (291 P.) manual page preview - page 1 of 291

Sample pages from the 1993-2002 Aprilia RS 125 Service Manual (291 P.) manual

Aprilia 1993-2002 Aprilia RS 125 Service Manual (291 P.) manual preview page 1 - thumbnail
Aprilia 1993-2002 Aprilia RS 125 Service Manual (291 P.) manual preview page 2 - thumbnail
Aprilia 1993-2002 Aprilia RS 125 Service Manual (291 P.) manual preview page 4 - thumbnail
info_outline Click thumbnails to preview different pages

Purchase & Download

$18.99 (incl. VAT) Instant Download / No Shipping Fees
OR BUY NOW
verified_user
Lifetime Access
Re-download anytime
flash_on
Instant Download
Get it immediately
lock
Secure Payment
PayPal

Document Details

keyboard_arrow_down
Document Number / Seller:
23355 / David Taylor
File Size:
18.78 MB
File Type:
PDF
Language:
English
Pages:
291
Printable:
Yes
Category:
Motorbike
Last updated / verified
Dec 25, 2025

Models Covered & Key Technical Specifications

Aprilia RS 125 (ZD4DW) — 1993-2002 Functional Technical Index for Specifications Container.

  • Factory Tightening Data: 124.82 cu. cm (54 mm bore × 54.5 mm stroke) is standardized to the cylinder displacement Benchmarks.
  • Essential Fill Levels: For combustion efficiency, 12.5 ± 0.5:1 compression ratio is rated at the cylinder head pressure Range.
  • Key Tolerance Values: The alternator generator governs 12 V - 180 W electrical system output Sequences.
  • Verified Amperage Specs: 0.6 l (SAE 30) sets the two-stroke engine separate lubrication capacity Baseline.
  • Designated Feed Speed: Ready-for-starting weight defines 139 kg with fuel and fluids included Requirements.
  • Approved Bolt Torques: Cooling system capacity specifies 0.8 l (50% water + 50% ethylene glycol coolant) Threshold.

Manual Description & Preview

Professional Reference Documentation Manual: Aprilia RS 125 1993-2002 Service & Workshop Logic-Archive

Technical-Domain: Aprilia RS 125 (ZD4DW) 1993-2002 // Model-Designation: Single-cylinder Two-stroke / Liquid-cooled Sportbike // Engineering-Metrics: 124.82 cu. cm displacement, 12V electrical system, 291-page comprehensive coverage.

Documentation Category Chapter Coverage Reference Status
Procedural Specifications Engine systems, transmission, cooling architecture Complete specifications provided
Component Reference Chassis assembly, brake systems, electrical circuits Documented in detail
Maintenance Scheduling Service intervals and lubrication requirements All intervals included

Technically mandating precision across all mechanical functions, repair procedures are structured around general information protocols, routine maintenance operations, lubrication system architecture, fuel delivery mechanisms, cooling apparatus documentation, engine component specifications, chassis assembly sequences, and electrical system diagrams. Each section acknowledges transmission control interfaces, brake hydraulic circuits, suspension linkage geometry, and wheel assembly procedures while emphasizing the document provides reference data rather than instructional sequences.

Fuel system procedures are documented for carburetor configuration parameters, air intake filtration, and tank removal access points. Adjustment procedures are detailed for clutch lever free play, throttle cable tension, idle speed reference values, and rear brake control lever positioning. Timing procedures are documented for ignition advance settings and spark plug gap specifications. Technical notes are provided for battery maintenance protocols, brake pad wear assessment thresholds, and coolant mixture composition ratios. Quality checks are addressed for steering bearing play verification, front fork compression smoothness, rear swinging arm spindle clearance inspection, and drive chain slack measurement ranges.

The manual documents torque specifications for fastening components to ensure proper assembly verification across engine mounting points, suspension attachment locations, and brake system securing hardware. Structured coverage encompasses 291 pages organized across 9 major sections detailing foreword information, general identification data, routine service intervals, lubrication point charts, fuel system architecture, cooling system operation, engine component layout, chassis structural elements, and electrical circuit schematics alongside comprehensive troubleshooting reference matrices.

FAQ

What model years and series are covered in this 291-page Aprilia service manual? keyboard_arrow_down

Service manual covers the Aprilia RS 125, specifically the ZD4DW model series produced between 1993 and 2002.

Does this document include technical specification tables for engine components and transmission ratios? keyboard_arrow_down

Manual includes comprehensive technical data sections that list bore and stroke specifications, compression ratios, gear ratios, and lubricant capacity requirements.

Are there specific references for tightening torque settings provided in this service document? keyboard_arrow_down

General tightening torque settings for standard ISO thread screws and bolts are listed in a dedicated table, alongside specific torque values for various chassis and engine components throughout the service sections.

Does the manual provide electrical information such as wiring diagrams or system test values? keyboard_arrow_down

Electrical system section contains a full wiring diagram, along with test readings for the ignition coil, alternator, and pick-up sensors.

What information regarding the fuel system, cooling system, and lubrication is included in this PDF? keyboard_arrow_down

Document contains sections dedicated to the cooling system, fuel tank, and lubrication, including charts for coolant mixing, fuel supply specifications, and descriptions of cooling system components like the thermostat and radiator.

Customer Reviews

Read what our customers say about this Aprilia Motorbike manual and share your own experience.