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DYNOJET: Why add fuel at 0% throttle position under 1k rpms?

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Old 09-16-2017, 12:15 PM
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marcodarq
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to your original question,,,with a pc and the other flash tuners for that matter,,,,in the VE tables
PC3or 5 if you add value in the 0% throttle collum, at 1krpm or lower you are making the idle fuel mixture richer, if you take away value, you make it leaner. some bikes need this done to maintain a good idle quality and sometimes it helps with engine cooling. the richer mixture tend to run cooler than lean. it is not usually large adjustment, but i find it helps alot when the bike wants it.
m
 
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Old 09-16-2017, 06:09 PM
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Originally Posted by marcodarq
to your original question,,,with a pc and the other flash tuners for that matter,,,,in the VE tables
PC3or 5 if you add value in the 0% throttle collum, at 1krpm or lower you are making the idle fuel mixture richer, if you take away value, you make it leaner. some bikes need this done to maintain a good idle quality and sometimes it helps with engine cooling. the richer mixture tend to run cooler than lean. it is not usually large adjustment, but i find it helps alot when the bike wants it.
m
Thanks for that info. Changing those to 0 helped my street glide idle more smoothly. Just changed those to 0 on my sportster today and didnt really notice a difference. Like anything, i guess it depends on the bike!
 
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