Honda NSR50, NS1, NS50f 46mm 70cc Cylinder Kit - No Gaskets. Big bore 46mm 70cc water cooled cast iron cylinder kit for your Honda NSR50, NS1, NS50F and similar style engines. Cylinder piston rings wrist pin Cir clips.The item "HONDA 46MM 70CC CYLINDER KIT NO GASKETS MBX MTX NSR50 NS1 NS50F water cooled" is in sale since Thursday, December 20, 2018. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Big Bore & Top End Kits". The seller is "mopeddivisioncom" and is located in Schuylkill Haven, Pennsylvania. This item can be shipped worldwide.