Amazon.co.jp: Kijima KTM-08704 O-Ring for Oil Filters (DUKE) KTM-08703 & Drain Bolts, O-Ring for Duke 125-390 (Buy Set) : Automotive
Amazon.co.jp: Motorcycle Oil Filter KTM 125 DUKE 125 2011-2014/KTM 200 DUKE 200 2012-2014/KTM 390 DUKE 390 2015/KTM 400 DUKE 398 1995/KTM 690 DUKE 69 0 2008-2016 Compatible Vehicles, Various Oil Elements : Automotive