{"id":110486,"date":"2026-06-06T05:32:59","date_gmt":"2026-06-06T03:32:59","guid":{"rendered":"https:\/\/stage6-racing.com\/produkt\/cylinder-stage6-r-t-70cc-derbi-euro-3\/"},"modified":"2026-06-07T06:18:42","modified_gmt":"2026-06-07T04:18:42","slug":"cylinder-kit-stage6-r-t-70cc-derbi-euro-3-4","status":"publish","type":"product","link":"https:\/\/stage6-racing.com\/en\/product\/cylinder-kit-stage6-r-t-70cc-derbi-euro-3-4\/","title":{"rendered":"Cylinder Kit Stage6 R\/T 70cc Derbi Euro 3 \/ 4"},"content":{"rendered":"<h2>Stage6 R\/T 70cc high-end cylinder for Derbi E3 \/ E4<\/h2>\n<p>From the racing specialists at Stage6 R\/T comes this absolute top-tier cylinder, which has already broken several records: <b>Cylinder Stage6 R\/T 70cc Derbi Euro 3 \/ Euro 4 (D50B0 \/ D50B1)<\/b> with a 47.6mm bore.<\/p>\n<h3>Included in the Stage6 70 cylinder kit for Derbi Senda:<\/h3>\n<ul>\n<li>Aluminum cylinder with 47.6mm bore, with 6 transfer ports and split exhaust port<\/li>\n<li>High-quality 12mm piston with extra-thin piston ring<\/li>\n<li>High compression cylinder head, modular design, with removable combustion chamber (orange anodized)<\/li>\n<li>R\/T spacer \/ adapter plate with innovative mounting design<\/li>\n<li>CNC-milled exhaust flange<\/li>\n<\/ul>\n<h3>Stage6 R\/T 70cc cylinder MK1 &#8211; Innovative assembly<\/h3>\n<p>The real game-changer with this kit is the spacer\/adapter plate installation. The CNC-machined adapter plate is bolted to the engine casing and holds the cylinder using external studs. This eliminates the need for through-studs, which opens up new possibilities for further modifications to the exhaust and transfer ports since they are no longer restricted by conventional race cylinder designs.<\/p>\n<p>The Viton\u00ae O-ring seal between the adapter plate and cylinder ensures leak-free assembly and eliminates the need for later adjustments. Additionally, the base plate is independent of the cylinder, meaning you can change the piston without removing the plate.<\/p>\n<h3>Stage6 R\/T Racing Cylinder 70 &#8211; High-end racing performance<\/h3>\n<p>In terms of performance, this cylinder is at the absolute top \u2013 24HP is achievable with the right setup. Thermal efficiency is outstanding: the combustion dome is secured with five bolts, each of which is individually cooled through its own cooling pocket. This effectively eliminates heat-related piston seizures caused by hotspots around the studs.<\/p>\n<h4>Stage6 cylinder installation instructions<\/h4>\n<p>Note: the crankcase has to be machined a little to make room for the cylinder base (D. = 56.7mm +\/- 0.1mm, 10mm deep). A detailed installation manual is included.<\/p>\n<ul>\n<li>Diameter of cylinder base: <strong>56.7 mm<\/strong><\/li>\n<li>Length of cylinder base: <strong>10 mm<\/strong><\/li>\n<\/ul>\n<h4>Setup stage6 R\/T 70cc Kit Derbi<\/h4>\n<p>The 70 R\/T cylinder kit is comes with an <strong>exhaust flange that allows installation of all standard Derbi exhausts<\/strong>.<\/p>\n<p>We currently recommend the following Stage6 exhausts for maximum performance:<\/p>\n<ul>\n<li><a href=\"\/en\/product\/exhaust-stage6-r-t-70-80cc-orange-derbi-258122\">Exhaust Stage6 R\/T 70 &#8211; 80, low-mount version<\/a><\/li>\n<li><a href=\"\/en\/product\/exhaust-stage6-r-t-70-80-high-mount-derbi-orange-297768\">Exhaust Stage6 R\/T 70 &#8211; 80, high-mount version<\/a><\/li>\n<\/ul>\n<p>For the rest of the setup, we suggest the following components:<\/p>\n<ul>\n<li><a href=\"\/en\/product\/crankshaft-stage6-r-t-derbi-euro-3-4-42849\">Crankshaft Stage6 R\/T Derbi<\/a><\/li>\n<li><a href=\"\/en\/product\/crankshaft-bearing-set-stage6-r-t-c3-polymer-cage-derbi-245533\">Crankshaft bearing Stage6 R\/T FKM Derbi<\/a><\/li>\n<li><a href=\"\/en\/geared-moped\/carburetor-and-intake\/intake-manifolds\/?manufacturer=stage6%2Cstage6-r-t\">Intake manifold Stage6 AM6 \/ Derbi<\/a><\/li>\n<li><a href=\"\/en\/geared-moped\/carburetor-and-intake\/carburetors\/?carburator_type=pwk-&#038;diameter_carburator=28mm\">Carburetor PWK 28<\/a><\/li>\n<li><a href=\"\/en\/product\/inner-rotor-ignition-stage6-r-t-mk2-by-pvl-derbi-251714\">Internal rotor ignition Stage6 R\/T by PVL Derbi<\/a><\/li>\n<li><a href=\"\/en\/product\/clutch-discs-5-discs-stage6-r-t-derbi-80726\">5-disc clutch Stage6 R\/T Derbi<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Stage6 R\/T 70cc high-end cylinder for Derbi E3 \/ E4 From the racing specialists at Stage6 R\/T comes this absolute top-tier cylinder, which has already broken several records: Cylinder Stage6 R\/T 70cc Derbi Euro 3 \/ Euro 4 (D50B0 \/ D50B1) with a 47.6mm bore. Included in the Stage6 70 cylinder kit for Derbi Senda:&hellip;<\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"product_brand":[],"product_cat":[8272],"product_tag":[8262],"class_list":["post-110486","product","type-product","status-publish","product_cat-cylinder","product_tag-50cc-bike-motorcycle","pa_ausfuehrung-cylinder-kit","pa_farbe-variante-r-t","pa_marke-12-mm","pa_produkt-familie-stage6-r-t","pa_produkt-familie-stage6-r-t-en","pa_strassenzulassung-70cc","pa_tuningbereich-high-end","description-off","first","instock","product-type-external"],"_links":{"self":[{"href":"https:\/\/stage6-racing.com\/en\/wp-json\/wp\/v2\/product\/110486","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/stage6-racing.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/stage6-racing.com\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:attachment":[{"href":"https:\/\/stage6-racing.com\/en\/wp-json\/wp\/v2\/media?parent=110486"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/stage6-racing.com\/en\/wp-json\/wp\/v2\/product_brand?post=110486"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/stage6-racing.com\/en\/wp-json\/wp\/v2\/product_cat?post=110486"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/stage6-racing.com\/en\/wp-json\/wp\/v2\/product_tag?post=110486"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}