Yamaha Oil Deck Filler Kit 

ABB-PLATE-DE-CK

Threaded reduction fitting with deck plate and "keyless" screw-on cap.

Has restrictor and oil label to deter someone from accidentallyfilling your oil tank with gasoline.

Uses 11/2" ID oil-resistant hose (not included).

Yamaha ABB-PLATE-DE-CK Straight Oil Deck Plate