bgm says:
"Anodized degree disc for determining the timing of all 2 stroke units with a crankshaft with 10 or 12 mm thread. This is valid for all Lambretta, Vespa and automatic, no matter if 50-80 ccm or Maxi engine.
All milling work on the cylinder ducts influences the timing, i.e. how long the ducts are open, and thus the engine characteristics. The more precisely the actual condition is recorded, the more precise statements can be made about changes that have been made. For this purpose and for marking the ignition timing the degree disc is perfectly suitable."
Product safety information
Manufacturer information:
Scooter Center GmbH
Kurt-Schumacher-Str. 1
50129 Bergheim-Glessen
Deutschland
info@scooter-center.com
https://www.scooter-center.de