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Ok. I've had this 1984 gl1200 for a couple months now. I had to replace the stator, when I got it all back together had a valve break off and bust a piston. Tore it all down and fixed it so it is running again.
Problem: I cannot get my carbs sync'd properly and the thing backfires like crazy! I hooked up my sync tool (mercury) and get about 6in on cyl #4, 0in cyl #2, 4in cyl1 & 3. I have no clue why I don't get a pull on cyl #2??? That is the head I had off to replace the valve. Any suggestions as to what would cause no vacuum to be pulled in a cylinder?
Problem: I cannot get my carbs sync'd properly and the thing backfires like crazy! I hooked up my sync tool (mercury) and get about 6in on cyl #4, 0in cyl #2, 4in cyl1 & 3. I have no clue why I don't get a pull on cyl #2??? That is the head I had off to replace the valve. Any suggestions as to what would cause no vacuum to be pulled in a cylinder?
