Rakeway LTD - Aluminium replica of early model Harley-Davidson XR750 flat track race fuel tank. This particular one is being used on an XR replica based on a Harley-Davidson 1200 Sportster, hence
FB Mondial Flat Track 125 Fuel Tank Removal & Fuel Leak Repair - YouTube
KM-TRG-019 Triumph Kohaku Flat Track Tank – Moto Kustoms