Caring for the Lambretta’s petrol tank is often overlooked because it can be a pain to access and clean. However, neglect this area of maintenance and accumulated debris can cause fuel flow problems, blocking the petrol tap with disastrous consequences for the fuel/air mixture. Servicing can also be problematic because contaminated fuel must be disposed of and extreme care must be taken with any remaining fuel vapour, which can be highly flammable.
Removal
It’s best to drain all the fuel from the tank before removal, and the easiest way to do that is to run the fuel level down, making draining into a petrol can much easier. Pull the pipe from the carburettor banjo, place the end into a can, and turn the tap on to reserve. Even after fuel ceases to run there may be some remaining in the bottom of the tank, particularly if the reserve is clogged. Just remember when the tank is removed it will need draining by removing the tap from the
