hi guys can somone help me i have a lf125 -14f water cooles custom i bought the bike secnd hand it has twin exhausts . now the last owner snaped the 2 bolts in the head and tryed to drill them out and totalt destroyed the holes and i mean destroyed now my question is with the exhausts off if i put my finger in the port i can see it through the other exhaust port so it is only a single piston can i block one of the ports off without damaging the engine any help would be fantastic
thanks guys