{"product_id":"cylinder-kit-stage6-big-racing-88cc-derbi-euro-3-4","title":"Cylinder Kit Stage6 Big Racing 88cc Derbi Euro 3 \/ 4","description":"\u003cp\u003eStage6 BigRacing 88cc Cylinder Kit – Derbi Euro 3 \/ Euro 4\u003c\/p\u003e\n\u003cp\u003eHigh-end big bore racing cylinder kit developed for Derbi Euro 3 and Euro 4 engines. Designed in collaboration with MXS Racing, this cylinder is built from the ground up as a true 88cc performance unit rather than a modified standard cylinder.\u003c\/p\u003e\n\u003cp\u003eIt features optimized port geometry, a bridged exhaust port, and high-quality components to deliver strong power output while maintaining reliability when properly set up.\u003c\/p\u003e\n\u003cp\u003ePerformance \u0026amp; design highlights :\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTrue “big bore” design (not a modified stock cylinder)\u003c\/li\u003e\n\u003cli\u003eOptimized transfer ports and bridged exhaust port for high flow\u003c\/li\u003e\n\u003cli\u003eExcellent cooling capacity\u003c\/li\u003e\n\u003cli\u003eHigh-performance layout with timing around 190° \/ 125°\u003c\/li\u003e\n\u003cli\u003eTested output: up to ~23 hp with proper setup\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTechnical specifications :\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDisplacement : 88cc\u003c\/li\u003e\n\u003cli\u003eBore : 50 mm\u003c\/li\u003e\n\u003cli\u003eStroke : 45 mm\u003c\/li\u003e\n\u003cli\u003eConnecting rod : 90 mm (long-stroke crank required)\u003c\/li\u003e\n\u003cli\u003eMaterial : Aluminium\u003c\/li\u003e\n\u003cli\u003eExhaust : 32 mm bridged port\u003cbr\u003eTransfer ports: 5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eContents :\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e88cc aluminium cylinder\u003c\/li\u003e\n\u003cli\u003e1-ring Vertex piston (50 mm)\u003c\/li\u003e\n\u003cli\u003eHigh-compression monobloc cylinder head\u003c\/li\u003e\n\u003cli\u003eCylinder head and base gaskets\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eImportant notes :\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRequires long-stroke crankshaft\u003c\/li\u003e\n\u003cli\u003eM7 × 120 mm cylinder studs recommended\u003c\/li\u003e\n\u003cli\u003eMinor engine case modifications may be required (clearance for connecting rod)\u003c\/li\u003e\n\u003cli\u003eNot street-legal in many regions\u003c\/li\u003e\n\u003cli\u003eEuro 4 models may require a temperature sensor adapter (M12×1.5 vs M14×1.5 on Euro 3)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"STAGE6","offers":[{"title":"Default Title","offer_id":57315413950799,"sku":"S6-7019320","price":298.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0918\/7626\/2223\/files\/MOPEDI.LV-2026-03-25T184036.900.jpg?v=1774457026","url":"https:\/\/mopedi.eu\/lt\/products\/cylinder-kit-stage6-big-racing-88cc-derbi-euro-3-4","provider":"MOPEDI LATVIA","version":"1.0","type":"link"}