Complete drive kit consisting of Naraku components. Ready to install! All components are carefully matched to each other. Since in Chinese scooters sometimes not the highest quality components are installed from the factory, this is the easiest method without expert knowledge about the function and tuning of the individual components to overhaul or repair the complete drive unit. All throttles in the drive unit are thus eliminated. It increases not only the top speed, but also the starting performance on the hill
.The kit includes variator, vario sleeve, variator pulleys, V-belt, V-belt pulley, clutch & clutch bell. Fits all 4-stroke scooters with 139QMB engine and a V-belt length of 669mm as well as some 50cc 2-stroke models.
The kit is designed for scooters that are in original condition, if modifications have already been made to the exhaust or cylinder, the variator must be retuned and a harder back pressure spring fitted if necessary.
Important note: The pins of the original converter must not be larger than 6mm and / or must not be worn in. The Naraku tuning converter is a milled part with minimal tolerances to allow exact and direct shifting of the converter. If the original converter is already worn, the Naraku converter can no longer be installed. In this case we recommend to use the converter BT12279 or NK900.40.
Our tip: Order a new converter at the same time! Then the complete drive train is overhauled.AI-translation
DE | €
