Oil Tank Hose Adaptor $ 15.00 SKU: AP8102223 Oil supply hose adaptor Back to: Fuel System & Airbox ×Close Aprilia Aprilia motorcycles. http://www.aprilia.com/it_IT/ View all Aprilia Products Close Description Adaptor for oil supply line. Fits onto 2 stroke oil tank. These are quite prone to deterioration over time from the 2 stroke oil. Will suit all RS125 & RS250.