Naraku variator axle speed-up kit unlocked for Minarelli 2-stroke - NK800.05

In most variator transmissions, the speed is limited by a sleeve (usually for homologation reasons). However, this restriction can easily be remedied with a different sleeve. We offer a Naraku tuning variator sleeve with various spacers for tuning. TECHNICAL DATA: - Naraku variator sleeve for 50cc scooters and quads with 2-stroke Minarelli engines - Dimensions: inner diameter 13mm, outer diameter 18mm, length 37mm - 15 spacers for tuning between acceleration and top speed - Long service life thanks to hardened and ground surface INSTALLATION: Simply replace the variator sleeve with the old one and add the appropriate spacers depending on your riding style. The fewer spacers, the higher the top speed. If no or only a few spacers are used...