70,860 Km. time to change tires again, Oil , gear Oil, and check every-thing, left to do, check the valves, and I will be good for the summer, I installed city grips rear tire 150/70 13 and 120/ 80 14 power pure front tire,. shell rotunda T6 10 W40 Oil, cleaned the variator, checked sliders, checked belt 23.4 mm wide , looks like new,. cant find minimum size for belt, just change every 20,000 Km. (12,000 ) miles,. ( Mitsuboshi size 25.2 mm. X 1004mm. new belt ),. most belts I have bought are 24 mm wide,.