2004-2007 Daelim Roadwin VJ 125 Scooter Factory Service Manual (P/N SM48-0401-01E)

• Covers 2004–2007 Daelim Roadwin VJ 125 motorcycles, providing specifications and maintenance guidance for the 124.1 cm³ SOHC 4-stroke engine and 5-speed transmission
• Original OEM publication SM48-0401-01E, first edition released for the Roadwin VJ 125 model series
• Includes 21 distinct technical sections ranging from engine removal to electrical wiring diagrams, serving as essential reference material for complete motorcycle repair documentation
• Contains detailed torque value tables for engine fasteners and chassis components
• Built for knowledgeable owners and workshop staff who require factory-authorized specifications for accurate diagnostics

Mechanical and Maintenance Overview

The 2004–2007 Daelim Roadwin VJ 125 manual organizes diagnostic data into structured chapters, starting with general information and core specifications. This publication strictly details the technical breakdown of the engine layout. It covers head and valve components, the clutch assembly, gearshift mechanisms, and AC generator systems. The documentation emphasizes crucial safety protocols, noting that proper lifting equipment must be used and battery terminals disconnected before any significant component disassembly to prevent injury or part damage. The frame section outlines specifications for steering head bearings, suspension geometry, and hydraulic brake hardware. Furthermore, comprehensive wiring diagrams and charging system parameters provide the necessary electrical data for effective troubleshooting and repair workflows.

Specification and Reference Data

Technical data includes critical assembly clearances and vital fluid volumes, such as the 1.1-liter oil capacity and the 16-liter fuel tank size. Cylinder head specification tables list the intake valve clearance precisely at 0.12 ±0.02 mm. Need exact tightening values? The engine data section specifies 20 Nm (2.0 kgf-m) of torque for the camshaft holder nut. This OEM publication serves as the definitive technical reference for engine, chassis, and electrical maintenance across the entire VJ125 model range.