ive recently fixed my carbueter and was doing D.I.Y servicing and cleaning on my klr and thought of getting more out of her im thinking of high performance jetting, aft mkt muffler a new suspension set up (make it lighter), a 16 tooth drive and a extended or new chain. ive already taken the the carry rack off the bak. im thinking of replacing the drum rear brake with a disk calliper. i also need a top end rebuild should i do over the whole engine? any help or suggestions??