{"product_id":"dune-goons-banshee-4mm-stroker-complete-build-kit","title":"Dune Goons Complete 4mm Stroker Build Kit - Yamaha Banshee 350","description":"\u003cp style=\"background-color:#fff3cd; border:1px solid #d4892a; color:#0E0D0B; padding:10px;\"\u003e\u003cstrong\u003eDUNE GOONS COMPLETE STROKER BUILD.\u003c\/strong\u003e The full top-and-bottom package for a +4mm stroker Banshee, every matched part in one box, including the transmission bearing kit so you refresh the trans while the cases are apart. Save versus buying separately.\u003c\/p\u003e\n\u003ch3\u003e✓ Fits\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e1987-2012 Yamaha Banshee 350 (YFZ350).\u003c\/strong\u003e Stock 64mm bore, +4mm stroker configuration.\u003c\/p\u003e\n\u003ch3\u003e✓ What's In This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHot Rods +4mm Stroker Bottom End (CBK0044):\u003c\/strong\u003e +4mm stroker crankshaft with +5mm longer rod, main bearing and seal kit, oil seal kit, and complete gasket set\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVertex Stroker Top End Piston Kit (VTK23607):\u003c\/strong\u003e two cast replica long-rod stroker pistons, top end gasket kit, and two wrist pin bearings, 64mm bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHot Rods Transmission Bearing Kit (TBK0072):\u003c\/strong\u003e primary and secondary shaft bearings, shift drum bearings, output shaft collar and washer, a must-do while the cases are split\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAthena 64mm Nikasil Cylinders (pair):\u003c\/strong\u003e stock-bore replacement cylinders with larger water jackets and triple exhaust ports\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModQuad Billet Cool Head:\u003c\/strong\u003e 6061 billet aluminum cool head for lower running temps (choose your color below)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModQuad Cool Head Domes, 4 Mil Stroker:\u003c\/strong\u003e stroker-spec domes matched to this build\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e✓ Why This Build\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEverything is matched: the Vertex long-rod pistons are designed for the Hot Rods stroker crank, and the stroker domes are spec'd for the +4mm stroke\u003c\/li\u003e\n\u003cli\u003eStays at stock 64mm bore, so it uses standard-bore cylinders and pistons, no big bore machine work needed\u003c\/li\u003e\n\u003cli\u003eIncludes the transmission bearing kit, the smart time to do it is now, with the cases already open\u003c\/li\u003e\n\u003cli\u003eMore stroke means more torque and a harder-hitting midrange, the classic Banshee stroker feel\u003c\/li\u003e\n\u003cli\u003eCool head and stroker domes keep temps down and set your squish and compression for the longer stroke\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e✓ What's NOT Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCarburetor jetting changes, reeds, pipes, and clutch work are not included and may be needed to get the most from your build\u003c\/li\u003e\n\u003cli\u003eProfessional assembly is strongly recommended. This is a full engine build\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"background-color:#fff3cd; border:1px solid #d4892a; color:#0E0D0B; padding:10px;\"\u003e\u003cstrong\u003eBUILD NOTE:\u003c\/strong\u003e This is a complete engine build kit for experienced builders or professional installation. Correct piston-to-cylinder clearance, ring end gap, squish, and proper break-in are critical. The Hot Rods bottom end top-end gaskets are designed to be used with an OE cylinder head. Reach out to our shop if you want us to build it for you.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"Dune Goons","offers":[{"title":"Polished","offer_id":48832683901153,"sku":"DG-BANSHEE-STROKER-KIT","price":2849.0,"currency_code":"CAD","in_stock":true},{"title":"Black","offer_id":48832683933921,"sku":"DG-BANSHEE-STROKER-KIT-BL","price":2849.0,"currency_code":"CAD","in_stock":true},{"title":"Blue","offer_id":48832683966689,"sku":"DG-BANSHEE-STROKER-KIT-BL","price":2849.0,"currency_code":"CAD","in_stock":true},{"title":"Red","offer_id":48832683999457,"sku":"DG-BANSHEE-STROKER-KIT-RE","price":2849.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/CBK0044_1_Z.jpg?v=1785507774","url":"https:\/\/dunegoonshop.com\/en-ca\/products\/dune-goons-banshee-4mm-stroker-complete-build-kit","provider":"Dune Goons","version":"1.0","type":"link"}