{"id":41513,"date":"2025-11-06T18:46:20","date_gmt":"2025-11-06T18:46:20","guid":{"rendered":"https:\/\/jetskimann.com\/?post_type=product&#038;p=41513"},"modified":"2025-11-06T21:47:30","modified_gmt":"2025-11-06T21:47:30","slug":"cylinder-1200ccm%c2%b3-top-end-jsm","status":"publish","type":"product","link":"https:\/\/jetskimann.ambajak.pl\/en\/product\/cylinder-1200ccm%c2%b3-top-end-jsm\/","title":{"rendered":"Cylinder 1200ccm\u00b3 top-end JSM"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Cylinder JetSkiMann 1200ccm Stroker +16mm<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Cylinder JetSkiMann 1200ccm Stroker +16mm<\/strong> is a premium component designed for engines based on platform <strong>Yamaha SuperJet<\/strong> and custom units with a capacity of up to <strong>1200 cm\u00b3<\/strong>.<br>Designed for maximum performance in jet skis <strong>freestyle<\/strong> and <strong>freeride<\/strong>, combines precision CNC machining, premium casting technology and sports engineering.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The cylinder was developed to work with <strong>Stroker crankshaft +16 mm<\/strong>which gives the total piston stroke <strong>84 mm<\/strong> with a diameter of <strong>95 mm (Wiseco piston)<\/strong> - is a kit that delivers huge torque and power gains throughout the rev range.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Key features of the 1200ccm Stroker +16mm cylinder<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Capacity:<\/strong> 1200 cm\u00b3 - achieved through increased piston stroke and 95 mm diameter<\/li>\n\n\n\n<li><strong>Compatible with Stroker shaft +16 mm<\/strong> - perfect alignment of piston and flow channels<\/li>\n\n\n\n<li><strong>Nikasil coating (EU)<\/strong> - cylinder smoothness coated by a renowned European company, guaranteeing wear resistance and excellent lubrication<\/li>\n\n\n\n<li><strong>6 transfer channels + 2 boost ports<\/strong> - maximum flow of the fuel-air mixture<\/li>\n\n\n\n<li><strong>Exhaust duct with additional auxiliary windows<\/strong> - faster gas exchange and better filling of the cylinder<\/li>\n\n\n\n<li><strong>Advanced water jacket<\/strong> - cooling of all three exhaust ducts and the area above the window<\/li>\n\n\n\n<li><strong>Precision casting and hand porting<\/strong> - perfect channel finish, optimised flow rate<\/li>\n\n\n\n<li><strong>Power Valve System<\/strong> - balance between lower and upper speed range<\/li>\n\n\n\n<li><strong>Valve adjustment<\/strong> - possibility to tune through springs of different hardness (available in JetSkiMann shop)<\/li>\n\n\n\n<li><strong>Head with interchangeable combustion chambers<\/strong> - tunable compression ratio<\/li>\n\n\n\n<li><strong>Premium finish<\/strong> - Cylinder painted black, CNC parts anodised for corrosion protection<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Top-End kit contents:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1200ccm cylinder with Nikasil coating<\/li>\n\n\n\n<li>Head with interchangeable combustion chambers<\/li>\n\n\n\n<li>Set of mounting screws and gaskets<\/li>\n\n\n\n<li>Adjustable power valves<\/li>\n\n\n\n<li>Wiseco 95mm forged piston<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><em>The ready-to-use Top-End Kit contains all the components necessary for assembly - ideal for professional tuners, workshops and advanced watercraft users.<\/em><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Application<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Engines based on <strong>Yamaha SuperJet<\/strong><\/li>\n\n\n\n<li><strong>CNC customised carcasses (JSM)<\/strong> and cast cartridges (JSM)<\/li>\n\n\n\n<li>Configurations <strong>freestyle<\/strong> i <strong>freeride<\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Why a 1200ccm JetSkiMann cylinder?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Developed in Europe<\/strong> - full control over workmanship<\/li>\n\n\n\n<li><strong>Racing engineering<\/strong> - design inspired by PWC Open Class units<\/li>\n\n\n\n<li><strong>Maximum performance and reliability<\/strong> - tested under real sports conditions<\/li>\n\n\n\n<li><strong>No import duty or VAT<\/strong> - European production<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Technical specifications<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Parameter<\/th><th>Value<\/th><\/tr><\/thead><tbody><tr><td>Capacity<\/td><td>1200 cm\u00b3<\/td><\/tr><tr><td>Cylinder diameter<\/td><td>95 mm<\/td><\/tr><tr><td>Piston stroke<\/td><td>84 mm<\/td><\/tr><tr><td>Coating type<\/td><td>Nikasil<\/td><\/tr><tr><td>Number of channels<\/td><td>6 transfer, 2 boost<\/td><\/tr><tr><td>Head type<\/td><td>Interchangeable combustion chambers<\/td><\/tr><tr><td>Power valves<\/td><td>Yes, adjustable<\/td><\/tr><tr><td>Material<\/td><td>Cast aluminium + CNC<\/td><\/tr><tr><td>Finishing<\/td><td>Black lacquer + anodised parts<\/td><\/tr><\/tbody><\/table><\/figure>","protected":false},"excerpt":{"rendered":"<p><strong>Cylinder JetSkiMann 1200ccm Stroker +16mm<\/strong> is a premium component designed for engines based on platform <strong>Yamaha SuperJet<\/strong>.<\/p>","protected":false},"featured_media":41514,"template":"","meta":[],"product_brand":[354,355],"product_cat":[305,732],"product_tag":[373,380,381,378,382,379,376,377],"class_list":["post-41513","product","type-product","status-publish","has-post-thumbnail","product_brand-jetskimann","product_brand-jsm","product_cat-kompletne-silniki","product_cat-home","product_tag-cnc-aluminum-crankcase","product_tag-freestyle-jetski-europe","product_tag-jetski-freestyle-accessories","product_tag-jetski-freestyle-shop","product_tag-jetski-freestyle-tuning","product_tag-jetski-freestyle-website","product_tag-silnik-1200-cm3","product_tag-silnik-do-yamaha-superjet","product_shipping_class-kurier-dpd","first","instock","featured","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/jetskimann.ambajak.pl\/en\/wp-json\/wp\/v2\/product\/41513","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jetskimann.ambajak.pl\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/jetskimann.ambajak.pl\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jetskimann.ambajak.pl\/en\/wp-json\/wp\/v2\/media\/41514"}],"wp:attachment":[{"href":"https:\/\/jetskimann.ambajak.pl\/en\/wp-json\/wp\/v2\/media?parent=41513"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/jetskimann.ambajak.pl\/en\/wp-json\/wp\/v2\/product_brand?post=41513"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/jetskimann.ambajak.pl\/en\/wp-json\/wp\/v2\/product_cat?post=41513"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/jetskimann.ambajak.pl\/en\/wp-json\/wp\/v2\/product_tag?post=41513"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}