Suzuki DF 70 LUEZUKI WORKSHOP MANUAL

Hello, I need the Suzuki DF 70 0 90 FUEBRORDABARDA MANUAL
, it will have some damaged piece. The symptoms are that at half a accelerator, the tail, goes to the appropriate revolutions but when I accelerate the engine a little more, it revolutionizes excessively, as if the Helize was crazy without gender, I do not know if it took any broken or gear key.