hi I have a 2012 Yamaha aerox and havin problems with the power band after I added the polini 2G clutch. Before my ped went about 65mph and now it goes about 55-60mph and also I have 3.5g rollers in it and had to go up but sometimes power band don't kick in need help. Whats done to my ped: Polini variator Polini 2G clutch 4g rollers 17.5mm carb Stage 6 exhaust