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Welcome Woody, I'm no mikuni tuner but I did post a mikuni tuner manual on this post, just follow the link then go down to my post and open it, hope it helps some. If there a big elevation change could just need tuning. I'm sure you have run fresh gas through it, and checked any fuel filters & installed new spark plugs. What's it doing exactly?

Mikuni settings - Harley Davidson Community
 
Use Choppers manual to richen it up. If the bike was in tune @ 2000 ft above sea level, when you bring it down to sea level it will be very lean and you will have to richen it up.
 
woodysgmc5 said:
Help please I have a 02 FXD super glide 113ci with 45 mikuni moved from Colorado Springs, Colorado to Columbia,South Carolina runs like (EDIT)!!!! HELP!! woody

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Please read and understand the info in this link...

A Friendly Reminder - Harley Davidson Community

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Take it to a shop or, if you can do it yourself, go up one main jet size, you are running too lean if it was set-up for the elevation in colorado. Should be a simple fix----jack
 
Main and Jet needle I thought. Doesn't Jet needle control 1/4- 3/4 throttle and main controls 3/4 to WOT. Since it was a dramatic change in attitude, I would think both. (but ?)
I could tell you exactly what to do if it was FI:p
 
Hoople said:
Main and Jet needle I thought. Doesn't Jet needle control 1/4- 3/4 throttle and main controls 3/4 to WOT. Since it was a dramatic change in attitude, I would think both. (but ?)
I could tell you exactly what to do if it was FI:p
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Might well be, but, a bigger jet will change the size of the hole the metering needle sets into and it will change the overall flow of fuel to some degree towards the richer. I try to do fuel one step at a time unless I already know that particular machine.------jack
 
CVThrottlepositions1.gif
 
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