hello all just swapd me 110 for a d plate 90 . fairly cleen an all there just . but when you get into forth fith or above 35 ish it starts to shake very badly it seems to be coming from somwhere between the gear box an the front. i chekd the front prop an thers a little bit of play but not enuf to cuase that much shaking . an it wanders around at the back wich i just put down to a bush or something . any help would be welcome . matey says if im not happy i can take it back .but i would realy like to keep it but not if its gona cost me an arm or leg