{"product_id":"mfc-passion-racing-scooter-variator-kit-5g-7g-9g-rollers-for-gy6-engines-red-front-clutch","title":"MFC·passion Racing Scooter Variator Kit – 5g\/7g\/9g Rollers for GY6 Engines (Red) Front Clutch","description":"\u003ch2\u003eUpgrade your ride with the MFC·passion Variator Kit\u003c\/h2\u003e\n\u003cp\u003eDesigned for a wide range of 50cc\/100cc four-stroke GY6 and QMB engines, this red-varnished variator kit combines bold aesthetics with solid engineering. The precision machining, robust metal construction, and carefully selected components offer a durable upgrade for daily commutes, weekend rides, and light off-road use alike. The result is a more engaging rider experience without compromising reliability on the road.\u003c\/p\u003e\n\u003ch2\u003eKey compatibility and what's included\u003c\/h2\u003e\n\u003cp\u003eThis variator kit is built as a direct replacement for common GY6\/QMB139 engines, enabling a straightforward swap when your current unit wears out or loses efficiency. It emphasizes a practical approach to maintenance and performance tuning for a variety of Chinese-made scooters, mopeds, and ATVs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits 50cc\/100cc 4-stroke GY6\/QMB139 engines, enabling a hassle-free upgrade from worn assemblies.\u003c\/li\u003e\n  \u003cli\u003eAll-metal construction delivers durability for everyday riding and longer service life.\u003c\/li\u003e\n  \u003cli\u003eRoller weights include 5g, 7g, and 9g for flexible tuning and ride feel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat you get and how it may help your ride\u003c\/h2\u003e\n\u003cp\u003eThe package comprises a complete variator assembly along with a balanced selection of rollers. While results vary by setup and riding style, this kit offers a tunable feel that may influence take-off response and acceleration characteristics by weight choice and gearing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Variator Assembly with three 5g rollers, three 7g rollers, and three 9g rollers.\u003c\/li\u003e\n  \u003cli\u003eSpecifications include outer diameter 90mm, inner diameter 20mm, boss bush 20x38mm, roller size 16x13mm.\u003c\/li\u003e\n  \u003cli\u003eEye-catching red finish adds a sporty look to your drive system while remaining highly functional.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eNotes on installation and support\u003c\/h2\u003e\n\u003cp\u003eDesigned for direct replacement, this kit suits riders comfortable with basic mechanical tasks. If you have questions or run into any snags, our team is ready to help ensure a smooth shopping experience.\u003c\/p\u003e\n\u003ch2\u003ePractical use cases\u003c\/h2\u003e\n\u003cp\u003eIdeal for urban commutes, casual weekend rides, or light ATV use where a tunable variator setup can adapt to different road conditions. By experimenting with roller weights, riders can explore alternative performance profiles without swapping major engine components.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this variator kit compatible with 50cc and 100cc GY6\/QMB engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it is designed for 50cc\/100cc 4-stroke GY6\/QMB139 engines, including 139QMB and 139QMA variants.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is included and can I install it myself?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit is a direct replacement with three 5g, three 7g, and three 9g rollers; basic mechanical skills help with installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MFC·passion","offers":[{"title":"Default Title","offer_id":42468371595349,"sku":"B0D46Z26N8","price":36.64,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/mfcpassion-variator-kit-red-front-clutch.jpg?v=1778071187","url":"https:\/\/plentytorque.co.uk\/products\/mfc-passion-racing-scooter-variator-kit-5g-7g-9g-rollers-for-gy6-engines-red-front-clutch","provider":"PlentyTorque","version":"1.0","type":"link"}