{"product_id":"secondary-gear-kit-naraku-14-39-10-for-gy6-125-150cc","title":"Secondary Gear kit Naraku 14\/39 +10% for GY6 125-150cc","description":"\u003cdiv\u003e\u003cspan\u003eThe Naraku 14\/39 +10% Secondary Gear Kit is an aftermarket secondary gear kit designed for the final drive of scooters equipped with GY6 125cc to 150cc engines (e.g., Honda Ruckus GY6, Kymco, PGO, SYM). This kit replaces the original secondary gears with a 14\/39 ratio, providing a final drive ratio approximately 10% shorter than the original.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThe secondary drive (sprocket and chainring on the rear axle) converts the rotation of the output shaft (via the clutch\/variator) into wheel rotation. The ratio of these sprockets determines the final drive ratio:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eShorter ratio (+10%) → better acceleration and traction, higher engine speed at a given speed\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eLonger ratio → lower engine speed at a given speed\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThis kit is particularly suitable if you are looking for:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eA more responsive acceleration\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eMore pronounced traction at low\/mid-range RPMs\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eBetter use of engine torque\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eCompatibility with stock or slightly modified engines\u003c\/span\u003e\u003c\/div\u003e","brand":"Naraku","offers":[{"title":"Default Title","offer_id":45219795632307,"sku":"NK901.22","price":139.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0518\/6057\/0291\/files\/Secondary_Gear_kit_Naraku_14_39_10_for_GY6_125-150cc_-_NK901.22.jpg?v=1770241278","url":"https:\/\/secretimport.com\/en\/products\/secondary-gear-kit-naraku-14-39-10-for-gy6-125-150cc","provider":"Secret Import ","version":"1.0","type":"link"}