skip to content skip to search skip to navigation Listen Live skip to logon
Thursday 18th September 2014
Max 24°C | Min 17°C

Why does the milometre on my Vespa not move when I'm spinning wheels?

Question

vespaWhen I rev the wheels of my Vespa scooter when itís on its stand, the speedometer doesnít move. How does it know?
Joe, Fulham

Answer

** Definitive **
Name: Martin, Kent
Qualification: Motorcycle engineer
Answer: The speedometer runs off the front wheel, so when the wheels are off the ground, the sensor knows that itís not moving and doesnít move the speedometer.

Do you agree? If you know the answer, write it in the box belowÖ

Comments