Hi so i bought a full stage 6 aerox and its slow for some reason like 35 mph slow and its a 70 cc any ideas? Could it be the jet it has a 90 in atm beacuse im runing it in but been told its had a 92 96 and 98 sounds abit odd to me Heres the specs Stage 6 pro 70 top end Full circle race crank Stage 6 bearings and seals Carbon reeds Dellorto PHBG 21 mm carb Malossi clutch Malossi variator Yasuni pipe Domino quick action 90 main jet Please help as i struggle geting around im gonna check for air leaks after work aswell