2008 Vespa GTS Super 300 Factory Service Manual • P/N C4077-90960, Ed. 2

2008 Vespa GTS Super 300 ie Service Documentation

• Official Piaggio publication (C4077-90960, Ed. 2, published 2007) spanning 104 pages of technical reference
• Provides comprehensive specifications for the engine, chassis, and electronic fuel-injection systems
• Includes dedicated sections detailing tightening torque tables and electrical component diagrams to support professional repair work
• Available as an instant download immediately after checkout
• Secure account storage guarantees file retrieval in the event of device failure or hard-drive loss
• Fully searchable PDF layout optimized for standard letter and A4 workshop printing
• Serves as the official technical baseline for the 300 ie series engine performance, fuel capacity, and maintenance clearances

System Overview and Maintenance Data

This factory manual outlines the essential mechanical and electrical parameters required for servicing the Vespa GTS Super 300. The documentation transitions from baseline identification markers to detailed routine maintenance intervals. It provides complete data sets for engine lubrication, cooling system pressure checks, and electrical troubleshooting. Chapters dedicated to system structures detail the transmission layout, brake fluid servicing, and suspension adjustment. This ensures technicians have the exact factory data needed for routine upkeep or complex repair analysis. Prior to conducting diagnostic tests or handling vehicle fluids based on these reference values, always ensure standard workshop safety protocols are active and the workspace is adequately ventilated.

Specifications and Diagnostic Values

The technical sections deliver granular data necessary for precise tuning and component verification. Key engine specifications include an 11 ± 0.5:1 compression ratio and a 1,700 ± 100 rpm idle speed. The cooling system capacity is documented at 2.100–2.150 liters. For the 278 cm³ engine, the manufacturer mandates SAE 5W-40 oil that meets API SL, ACEA A3, and JASO MA standards. Valve clearances are strictly defined, with the intake set at 0.10 mm and the exhaust at 0.15 mm. Diagnostic accuracy is supported by detailed electrical pinouts and sensor reference values, notably the 13.7–15.2 ohm fuel injector resistance.