Brilliant idea, will use that on my GPDonnie wrote:Only works if you don't have an airbox obviously but here's a few photos.
Basically, the side of the vespa px tray is dremelled off to allow change of battery or top up as required, not that either have ever been needed in the last few years. Fitted to the back of the airbox with 4 nuts and bolts with a seat fibre washer between the tray and toolbox and hey presto.
