I have an 81 csr 650 i took the wirering harness off and painted the frame. I put everything back together i try to start it it will turn over and back firer out the number one carb and when choked back firers out the tail pipe. carbs are clean i cleaned them very well. i have got it started but it only ran on 2 cylinders the 2 and the 4 and then wont start again for a while.
