■詳細説明TYGA 300cc Bigbore Top End Rebuild Kit，Wiseco Piston.The kitincludes Wiseco piston assy and gasket parts to rebuild onecylinder on your NSR300.For complete overhaul to bothcylinders，please order two kits.Please select your pistonpreference from the option dropdown below：Short Skirt (default)：Theshort skirt type piston is a ‘bolt on’solution for the big borekit.In this case we modify the piston by shortening the front sideskirt to allow clearance from the crankcase at BDC.Therefore，nocrankcase disassembly or modification is necessary，and the top endcan be assembled in the usual way of doing a top end overhaul.FullSkirt：The full skirt type piston has a very slightly increasedlongevity compared to the short skirt type，however，thisnecessitates that the crankcase is completely disassembled，and somegrinding of the crankcase is required to allow for piston clearancefrom the case at BDC.Please see the guide for how to perform thenecessary modifications■注意点※取扱説明書が付属する場合は、英語となります。※輸入商材の為、納期が遅れる場合がございます。あらかじめご了承ください。※メーカー都合により商品の仕様変更がある場合がございます。ご了承ください。■適合車種NSR250R NSR250R