[Resolved]  Honda Cbr250r — Hard Engine

Am owning cbr 250 r std for past 2 yrs[protected]upto 14000 km it goes well n I maintained in perfect way.after 14 k kms i gave to general services on M.A honda station(trichy)..after gave to service its becomes 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 know well about my bike..wen ever I starts its move smooth n pick up fastly n cruised good..but now everything gone... for doubts i gave to another service station they 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 very smooth n fast, ..so what s de actual problem on ma bike.plz reply asap..thank you