Yamaha Neos 2-Stroke 50cc (2002-03) Polini Hi-Speed Variator Kit. Polini Hi-Speed Variator Kit - Minarelli 2T 50cc. Hi-Speed variator with sleeve. 1 x set of variator weights (16x13mm) at 6.9g. This product is suitable for the Yamaha Jog 50 R AC 03-12 E2 [SA22/ 5RW/ 3D4/ 49D].