Vespa Lambretta Scooter POLINI Timing Degree Disc Aluminium - Black Oil Seals and O Rings Suitable for Piaggio ET4 Mark

Suitable for Piaggio ET4 Mark 1 and Gilera Runner 50

The BGM PRO Variomatic de-throttles the drive and allows for a significantly better acceleration as well as a higher final speed

Includes the innocenti 'i' cap

Approx Overall Height 13

Vespa Lambretta Scooter POLINI Timing Degree Disc Aluminium - Black Oil Seals and O Rings Suitable for Piaggio ET4 MarkVespa Lambretta Scooter POLINI Timing Degree Disc Aluminium Black POLINI degree wheel for determining the timing of all 2 and 4 stroke engines that have a crankshaft with 8,10 or 12 mm thread. This applies to all Lambretta, Vespa and automatic, whether 50 80 cc or Maxi engine. All milling work on the cylinder ports affects the timing, i. e. how long the ports are open, and thus the engine characteristics. The more accurately the actual condition is