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Howdy brothers.
I replaced the ignition plugs and riding 3000miles and checked, the plug like this. The bike cannot be idle without throttling on cold mornings. Sounds like a single cylinder motor- cycle and slows down and die.
So i’d just replaced the plugs.
Stock cv carv and Main jet is 200 pilot jet is 50 intake system is the s&s big teardrop.
Do you think the mixture is too rich ?
What your recommend size of the jets?
and any tips to how to setting the mixture ?
Way too rich. 45/180 as stated above. Looks like you have an 883, so maybe try 170 or 175 main.
I think 2.5 turns out on the idle mix screw is generally a good starting point. Search "idle drop" method or use a vacuum gauge to fine tune if you want.
Way too rich. 45/180 as stated above. Looks like you have an 883, so maybe try 170 or 175 main.
I think 2.5 turns out on the idle mix screw is generally a good starting point. Search "idle drop" method or use a vacuum gauge to fine tune if you want. John
Originally Posted by Gene O'king
Thanks to your reply the carb is a stock keihin cv carb and the air cleaner is the S&S big tear drop on it
Originally Posted by Gene O'king
Thanks for your replyi had a S&S big tear drop air cleaner. still the jets are too big ?
Your engine can only pull so much air and the size of the air cleaner does not matter that much. As stated above and per the information here: http://sportsterpedia.com/doku.php/techtalk:evo:carb02
put smaller pilot jet and main jet in.
Thanks for your sharing the video, i can understand now all of the problems. the engine could be tuned wrong or definitely there was oil leaking to the cylinder.
if it's a oil leaking, that is huge problem to me. i'll check the cylinder pressure and put some camera into the cylinder checking as visually.
thank you brother.
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Asking something bros
