New Yamaha Bottom End Kit, Crankshaft, bearings/seals & Gaskets BANSHEE 350 ATV. Kit contains crankshaft, main bearing/seals and complete gasket set for complete installation. 1987 - 2006 Yamaha BANSHEE 350 ATV.If you have a problem, we will take every step to assist you. The item "New Yamaha Bottom End Kit, Crankshaft, bearings/seals & Gaskets BANSHEE 350 ATV" is in sale since Sunday, June 16, 2019. This item is in the category "eBay Motors\Parts & Accessories\ATV, Side-by-Side & UTV Parts & Accessories\Engines & Components". The seller is "total-power-parts" and is located in Circle Pines, Minnesota. This item can be shipped worldwide.