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Running lean, how bad is it?

Did you ever try to just adjust the idle down after the bike is warm and then see if it will start suitably after it cools back down? Of course, the sync etc is all needed stuff.
 
Did you ever try to just adjust the idle down after the bike is warm and then see if it will start suitably after it cools back down? Of course, the sync etc is all needed stuff.

Yeah, unfortunately it didnt help. It was too low to keep running afterwards. Carbtune came in the mail today, so im pretty excited to get to it. Probably not today though, we'll see.
 
Thanks to many who chimed in on this. Also a big thanks to Steve for the answered emails and for sending me your valve spreadsheet. It's not just a place to organize data, but a very useful tool.

In a matter of about ten hours yesterday (off and on) I was able to get the bike running like a top. Now it runs very smooth and has stable RPM's at idle and while riding.

I intended to just use the carbtune to do the vacuum sync and ride but as suggested, I went ahead and checked all the valve clearances. The windjammer and bracket had to come off for that though. There were a couple valves on the tight side so I changed out two shims, switched two and got them all within the middle of the spec clearance range. None were more than one shim size out though. I also replaced the spark plugs and changed the engine oil and filter. Then after all that was done, I put the carbtune to work. I was struggling with the bracket that holds the throttle and choke cables on top of carb #3. It was blocking access to the sync screw. I had been trying to use the cable for the rpm adjustment and kicked myself when I finally realized I could use the knob under the carbs for that, and as Steve suggested just take that bracket off temporarily. The brass 5mm adapters that screw into the carb boots were a PITA! Here's what I ordered. Maybe some others are better to use than these. When they heated up the vacuum hoses kept popping off.
361651985520_2.jpg


Now that it's running right I can ride down to see my boy at his college, NMSU, about 200 miles south of here which I'm hoping to do this week.
 
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