well if your engine has no leak and your not lean and your carbs are synched, put it together and run it. Make sure you plug chop it just after it’s running to make sure it’s not lean.
possibly you had a untorqued head causing an air leak.
Whats everyone else think?
Just cause you paid someone else to do it doesn't mean it was done correctly. And damn, $80 to sync the carbs, seriously buy the tool, save yourself another $50.
No, email is good. Sorry for the delay once again. You received your swingarm within a week of purchase, that is possibly record breaking for industry standards.
Pro Tip - Clean the outside of the motor before opening it up.
I cut a slit in a rag and put the rods through it to cover the open cases. Been doing that ever since dealing with cageless wrist bearings on jetskis. Its no good trying to fish those out of a case.
Ok synch your carbs now. You have two different plug readings. Check your jet sizes make sure they match and air flow your carbs. The tool is worth the $35. You can also use SouthTexasbwebsite he shows how to do it