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I understand the not wanting to get treated as a child thing. I do. I used to teach 18 year olds my trade,and I learned that to get respect ,you have to give it to them first. [and not tolerate behavior that was a waste of time]]
The best advice I can give you at the moment is to go to dansmc. and read the online motorcycle repair course. That course helped me a lot,and enabled me to come on this forum and ask specific questions. In other words,when I asked the question here,people understood that I had already researched it as well as I could and were more likely to answer it. He has a lot of good info on what makes a bike run rich or lean,and it directly relates to the questions you asked...
Anyway, The site is fun to read,and you can study just what you are working on right now. If you are like me,you will wind up reading most of the stuff on there out of thirst for knowledge. Hope this helps.
BTW, Dan would agree with you that checking the compression early in the process is a smart thing to do. Dan also has a story similar to post#4 ,so that shows you that there are good people here on this site with the experience to help you ...

Good luck with the bike,and keep us posted
 

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Sorry for the detailed explanation. I was just having a conversation and not implying anything about your skill level. The last person I had that conversation with was an accomplished mechanic so maybe it was a zinger for you.


A pinging or knock is not always from running lean. But you probably already knew that.

If you are running rich and have carbon deposits built up from unburned fuel they start to glow and cause detonation.

Good riding!
:71baldboy:
I certainly did not think that your previous post implied anything but concern for getting the OP's bike fixed.Don't worry about it --just good information there.
 

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Since you mentioned possible air leak,here is a simple test for the most common air leak. The hard rubber boots that connect the carb to the engine can be cracked,or the seal may be poor. Using the straw that fits on the spray nozzle,squirt a little carb cleaner on and around these boots. If the boot is allowing air to suck in,the bike will speed up when the carb cleaner gets sucked in with the air...
 
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