Lambretta DUE50 Owner's Manual page 11

Suspension:
Steering:
Electrical Systems:
Emission Systems:
Check for smooth suspension operation.
Lubricate all grease points using correct specification grease.
Check for correct suspension adjustments.
Inspect fork and shock seals for leaks.
Check for smooth steering operation and handlebar bearings for proper adjustments.
Check for correct function of all side, headlight and taillights, turn indicators, brake lights,
warning lights and instrument illumination.
Check for correct horn operation.
Check harnesses for correct routing.
Check for correct function of starter lockout system.
Check for correct engine stop switch operation.
Check for correct function of the low oil warning light.
Check connections and hoses for routing and kinks.