info for running lean?

glw165

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May 8, 2016
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new to street glides, have a 07, no idea if pipes are stock or not, no markings so i assume they are, does have a k&n air filter, wanted to check plugs, they are se plugs and very white, same front and rear jugs, bike runs fine no decal pop, pulls descent, just wondering why so lean and moreso what exhaust I have?66.jpg
 
Most likely lean condition b/c the K&N and exhaust. Those don't appear to be stock mufflers to me and most of the bigger brands will stamp them with their logo. Could be eBay specials? Anyhow, I'd try a fuel tuner and replace the plugs to see if that helps, most bikes are a little lean from the factory so adding aftermarket stuff makes it worse.
 
Harleys run lean from the factory and the air filter and pipes lean it out even more. get a good tuner a PCV , thundermax or SERT.
 
new to street glides, have a 07, no idea if pipes are stock or not, no markings so i assume they are, does have a k&n air filter, wanted to check plugs, they are se plugs and very white, same front and rear jugs, bike runs fine no decal pop, pulls descent, just wondering why so lean and moreso what exhaust I have?View attachment 10059

If you just have a K&N filter in the stock housing and the nonstick slip on mufflers as shown there is no need for a tuner as the ECM adjusts +- 6%. Decel pop is not a bad thing. Generally speaking reading plugs does not accomplish much on an electronicly controlled engine. Also consider that the ECM quite possibly has a dealer flash to compensate for the upgrades. If the bike runs fine then ride it as is.

Blues
 
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