Recently picked up a CB350 in pretty rough condition. Put new rubber in the carbs timed the ignition, adjusted the valve clearances and found that it has good compression. When the whole thing is back together I can only get one cylinder to burn, the left side pipe is dead cold. I switched the...

So I am tuning my CB750 with my vacuum gauges soon and I realize how crazy it is that you can't do this on a 350 twin. Or can't do it easily I guess. When I start my wife's bike cold I get hot exhaust from the left pipe pretty quickly and the right pipe exhaust stays pretty cold for a while. The...