Need help?Do you have a question about the Vespa 150 and is the answer not in the manual?
Details on the two-stroke cycle and piston design.
Important rules for the initial running-in period.
Recommended speed limits for each gear during break-in.
Tasks like oil change and bolt checks after initial mileage.
Troubleshooting fuel tank, tap, filter, and carburettor problems.
Addressing engine flooding and tickler issues.
Troubleshooting spark plug, breaker points, and timing.
Diagnosing problems with silencer, induction pipe, and gaskets.
Identifying causes of poor compression like spark plug fit and piston rings.
Diagnosing backfiring and fuel mixture problems.
Identifying clutch snatching, slipping, or disengagement issues.
Troubleshooting issues with gear pinions disengaging.
Diagnosing problems with the starter assembly not engaging.
Causes and solutions for excessive fuel consumption.
Troubleshooting issues with rusted cables or excessive play.
Diagnosing stiff or loose steering columns.
Identifying causes of poor braking like worn linings or drums.
Diagnosing noisy or inefficient suspension.
Identifying causes of engine noise.
Troubleshooting loose connections, slack cables, and headlamp orientation.
To Next Page
General