{"product_id":"at-007500-gruppo-termico-athena-alu-70-honda-mt-mb-50","title":"AT-007500 Athena Alu 70 Cylinder Kit Honda MT \/ MB 50","description":"\u003ch2\u003e ATHENA Big Bore Cylinder 70cc Ø45mm for Honda MB 50, MT 50 and MTX 50\u003c\/h2\u003e \u003cp\u003e\u003cem\u003eGreater performance with the reliability Athena is known for\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e The ATHENA Big Bore cylinder kit was developed specifically for the air-cooled Honda MB 50, MT 50, and MTX 50 models. This kit offers a significant increase in power and speed without sacrificing durability and reliability.\u003c\/p\u003e\n\u003ch3\u003e 70cc Honda 50cc Aluminum Kit - Made in Italy Construction Quality\u003c\/h3\u003e\n\u003cp\u003e Crafted in Italy using cutting-edge technology, the ATHENA 70cc cylinder is molded from aluminum and coated with Nikasil for maximum durability. Thanks to its 6 transfer ports (2 side and 3 rear), intake flow is optimized for more efficient cylinder filling, improving both power and torque.\u003c\/p\u003e\n\u003ch3\u003e high-performance cylinder with two-segment piston\u003c\/h3\u003e \u003cp\u003eThe 45mm piston is designed with two 1.5mm chrome-plated steel piston rings, which minimize friction and improve engine precompression. The exhaust is secured with two 8mm studs, ensuring a solid installation and efficient gas flow.\u003c\/p\u003e\n\u003ch4\u003e Recommended configuration for maximum performance:\u003c\/h4\u003e\n\u003cp\u003e To get the most out of this kit, we recommend pairing it with a 24mm carburetor, a cold-start racing spark plug, and a high-performance exhaust. Additionally, using 100% synthetic racing engine oil will ensure optimal lubrication.\u003c\/p\u003e\n\u003ch4\u003e Athena 70cc big bore kit contents:\u003c\/h4\u003e\n\u003cul\u003e\n\n\u003cli\u003e 6-port aluminum cylinder Ø45mm with oval exhaust\u003c\/li\u003e\n\n\u003cli\u003e Ø45mm two-segment piston with rear skirt preparation\u003c\/li\u003e\n\n\u003cli\u003e Chromed steel segments Ø45mm X 1.5mm\u003c\/li\u003e\n\n\u003cli\u003e Piston pin Ø12mm X 37mm\u003c\/li\u003e\n\n\u003cli\u003e Reinforced crab clips\u003c\/li\u003e\n\n\u003cli\u003e Engine gasket set\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch5\u003e Compatible models:\u003c\/h5\u003e\n\u003cul\u003e\n\n\u003cli\u003e Honda MB 50\u003c\/li\u003e\n\n\u003cli\u003e Honda MT 50\u003c\/li\u003e\n\n\u003cli\u003e Honda MTX 50\u003c\/li\u003e\n\n\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eImportant note:\u003c\/strong\u003e The head and base gaskets included in the kit are designed exclusively for ATHENA cylinders. If the kit is disassembled, always use original spare parts to ensure optimal sealing.\u003c\/p\u003e\n\u003cp\u003e \u003cem\u003eProduct for racing only - Not approved for road use\u003c\/em\u003e\u003c\/p\u003e","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":55462189596996,"sku":"AT-007500","price":207.86,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/669597_6112890.jpg?v=1755852774","url":"https:\/\/www.billaricambi.it\/en\/products\/at-007500-gruppo-termico-athena-alu-70-honda-mt-mb-50","provider":"Billaricambi SRLS","version":"1.0","type":"link"}