This AKM carbon CVT drive belt is a perfect replacement and porformence belt for your machine. Double notch,include kevlar fiber material which makes the belt more strength ,modulus acid and alkali resistance. Top Width (in) 1.5 Top Width (mm) 38.Outside Circumference (in) 43.875 Outside Circumference (mm) 1114 Proper belt break-in: Vary vehicle speed and engine RPM to shift belt through normal operational range Do not exceed ¾ throttle within the first 30 miles of installation Stop engine and allow belt to cool down every 15 minutes of use During break-in period, the following activities should be avoided: Aggressive acceleration or jerky throttle movements at low speeds Holding engine/vehicle speed constant for extended time periods Pulling heavy loads Long run times without complete CVT/belt cool down Imaginile produsului sunt cu titlu de prezentare si pot prezenta accesorii sau elemente de design care pot varia fara notificare prealabila in functie de schimbarile aduse de producator sau zona de comercializare.