Bajaj pulser 180cc
Humming problem

I had purcased bajaj pulser180cc last year in 1 year. and within this time i m suffering from lots of problem like humming problem, clutch plet, val, timing chain, and average also. i cant maintain this type of expence but bike speed is almost best. so please help me nd solve my problem... p-lz, plz, plz help...