hi started my sv 650s 1999 up after it sitting over weekend and not wanting to start up , had choke on , but bike revs would not go over 1000rpm , then it picked up slowley , got it moveing , started to back fire a bit , when i got it opened up no problem , we bit of back fireing when i let off throttle , after 25 miles to work stoped at shop , five mins latter started bike up again , same thing , just didnt want to rev up , more throttle , it just was wanting to cut out , when i got it moveing again it was ok , any help , iv new plugs in it last month , new oil , and filtter , and chain is fine , thanks for any help , hope will start ok tonight so i can get home ,
