so i got this 1981 ds125. i got it to run but the issue i am having is i have to push start it and it seems to have no power band at all. i have to rev it and clutch it just to get out of first then i can only get to 3 gear before it just wont go any faster. i have 120 psi i checked the reeds the reeds where snapped so i replaced the peddle and used hi temp rtv to fix the gasket the pedal sits on. it looks like the peddle is sitting nice and flush so i would think no issue there? i got a brand new carb for it new plug and disconnected the oil pump and put a washer on and screwed the plug back in the piston has a little bit of scorring on it help?