needle and chain question.
Senior Member
1st Gear Member
Joined: Jul 2006
Posts: 966
From: Ottawa, Ontario
RE: needle and chain question.
This isn't the diagram I was looking for, but its just as good.
Mike
BTW - Bad Bear beat me to the punchline on checking the plug. I know that a properly tuned engine will show a light chocolate brow coloring on the plug insulator, whereas an engine that's running rich will have a black soot covered plug. Don't know off hand what a lean plug looks like.
[IMG]local://upfiles/2553/D685294EE17040BB954E6612980AD52A.jpg[/IMG]
Mike
BTW - Bad Bear beat me to the punchline on checking the plug. I know that a properly tuned engine will show a light chocolate brow coloring on the plug insulator, whereas an engine that's running rich will have a black soot covered plug. Don't know off hand what a lean plug looks like.
[IMG]local://upfiles/2553/D685294EE17040BB954E6612980AD52A.jpg[/IMG]
Senior Member
Joined: Aug 2006
Posts: 791
From: Winston-Salem, NC, USA
RE: needle and chain question.
I was on the HMF site just now looking for some carb removal pics. While there, I found a page with a procedure for jet testing similar to what Bad Bear described. I have not read through it yet, but I though this might help.
Testing Jetting via Plug Check
Testing Jetting via Plug Check
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1st Gear Member
Joined: Jan 2006
Posts: 7,269
RE: needle and chain question.
ORIGINAL: YYY.GUY
BTW - Bad Bear beat me to the punchline on checking the plug. I know that a properly tuned engine will show a light chocolate brow coloring on the plug insulator, whereas an engine that's running rich will have a black soot covered plug. Don't know off hand what a lean plug looks like.
BTW - Bad Bear beat me to the punchline on checking the plug. I know that a properly tuned engine will show a light chocolate brow coloring on the plug insulator, whereas an engine that's running rich will have a black soot covered plug. Don't know off hand what a lean plug looks like.
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