The Piaggio Vespa ET4 150cc, produced approximately between 1997 and 2005, represents a significant evolution in the iconic Vespa lineage, blending classic aesthetics with modern engineering. Powered by the reliable Piaggio LEADER engine, this scooter offers a capable 150cc displacement, delivering a balance of performance and efficiency suitable for urban commuting and leisure riding. Its robust monocoque steel frame ensures structural integrity, while features like its automatic CVT transmission and effective braking systems contribute to a user-friendly and confident riding experience. The Vespa ET4 is recognized for its enduring design and the quality associated with Piaggio's long-standing heritage in scooter manufacturing.
This workshop factory service repair manual provides comprehensive guidance for the maintenance and repair of the Piaggio Vespa ET4 150cc. It covers essential systems including the engine, transmission, fuel, lubrication, electrical components, chassis, suspension, and brakes. Detailed procedures for routine maintenance, major component rebuilds, diagnostics, and troubleshooting are outlined with step-by-step instructions, supported by technical specifications, torque values, and clear illustrations. This manual is an indispensable resource for professional technicians and advanced enthusiasts aiming to preserve the optimal performance and longevity of their Vespa ET4.
This is the factory/official manual used for repair and maintenance such as tune-ups, lubrication and major engine or transmission rebuild your vehicle might require
Accurate and detailed technical yet friendly and easy to follow instructions, charts and diagrams for the professional or anyone with basic mechanical knowledge to safely and easily service their vehicle.
OEM specifications such as torque, fuel pressure chart, electrical and connectors data, compression ranges, minimum and maximum tolerances, parts numbers or paint codes among other.
STEP BY STEP REPAIRS
All of the procedures in this manual are organized in a sequential, step-by-step format.
The information has been compiled to provide the mechanic with an easy to read, handy reference that contains comprehensive explanations of all disassembly, repair, assembly and inspections.
EXPLODED DIAGRAM, CHARTS ILLUSTRATIONS AND PHOTOS
Each chapter provides exploded diagrams before each disassembly section for ease in identifying correct disassembly and re-assembly procedures.
This is the factory/official manual used for repair and maintenance such as tune-ups, lubrication and major engine or transmission rebuild your vehicle might require
Accurate and detailed technical yet friendly and easy to follow instructions, charts and diagrams for the professional or anyone with basic mechanical knowledge to safely and easily service their vehicle.
OEM specifications such as torque, fuel pressure chart, electrical and connectors data, compression ranges, minimum and maximum tolerances, parts numbers or paint codes among other.
STEP BY STEP REPAIRS
All of the procedures in this manual are organized in a sequential, step-by-step format.
The information has been compiled to provide the mechanic with an easy to read, handy reference that contains comprehensive explanations of all disassembly, repair, assembly and inspections.
EXPLODED DIAGRAM, CHARTS ILLUSTRATIONS AND PHOTOS
Each chapter provides exploded diagrams before each disassembly section for ease in identifying correct disassembly and re-assembly procedures.
