daman
New member
I found this,,don't know if it's a repost but interesting;
Yamahammer485
Member
Nice diagram, learned some stuff off that.
daman
New member
I know me too...
shortstop20
New member
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Ya that's a good post. I didn't know there was that much to reading a plug.
daman
New member
Start pulling your plugs Guys.....LOL
RJH
New member
You could agree with most of that.
Starting on the left the last one before the top – not sure about that one and top statement I’d question on a 2/ engine.
The three boxes pointing at the arm I’d question as well. We have found it actually acts as a jetting guide as well, not plug range selection. The further it is black towards the end the richer the engine is. As the line moves right – it shows leaner. The position in the picture is good jetting.
Naturally changing the plug range would move the mark as well.
Spotting this is quite easy on a race specific engine with a properly performed plug chop
Starting on the left the last one before the top – not sure about that one and top statement I’d question on a 2/ engine.
The three boxes pointing at the arm I’d question as well. We have found it actually acts as a jetting guide as well, not plug range selection. The further it is black towards the end the richer the engine is. As the line moves right – it shows leaner. The position in the picture is good jetting.
Naturally changing the plug range would move the mark as well.
Spotting this is quite easy on a race specific engine with a properly performed plug chop
daman
New member
RJH said:
Yup..i noticed that too.
Very Cool!
Thanks for this post Daman
Thanks for this post Daman
daman
New member
Bischof said:
Yea.. i thought it was kinda cool,,so i thought i would share it.
