[Resolved]  Honda Cbr250r — BIke Wobbling and pulling

Am owning cbr 250 r std for past 2 yrs[protected]upto 14000km it goes well n i maintained in perfect way.after 14k kms i gave to general services on M.A. honda station(Trihy)..aftr gave to service its becomeum dump like a lazy machine n its performance is very poor..while cruising from 1st gear to top gear its wobbling n pulling more n produce much more engine noise..nw totally engine smoothness gone.. its not like an old condition... something they did a major mistake on service centre.I gave more than 5 times but its on same conditon only.am not satisfy with their worst services..i knw well about my bike..wen ever i starts its move smooth n pick up fastly n cruising good..but nw everything gone... for doubts i gav to another service station dey adjust folk n chain ..after that also its moving like dumb ... on that service station said.. its a sim problem on head.. so nly its pickup power s gone.. before service its goes vry smooth n fast, ..so wat s de actual problem on ma bike.atlast i test top speed on ma bike.it goes upto 130km speed nly..before i went upto 140+speed without any hardness, , plz reply asap..