Check for leak's on manifold rubber between cylinders!
Try to squirt a Carbu cleaner inside the manifold when running,if the idle going fast or dropped, then you have a leak,.
SOURCE: how to reset alarm on heritage softail, bike wont
Set the alarm by holding the key fob button until you see running lights flash twice. Turn off the alarm by pushing the key fob button twice and the lights will flash once.
SOURCE: 1998 roadking idles to fast after it warms up.
Is it fuel injected or carbureted? If the bike is fuel injected it will idle fast until the engine warms up...if it continues to idle fast after about 10-15 seconds it could have a faulty sensor.
If carbureted, after you push the choke in does it still idle fast? If so, there is an idle adjust screw on the top of the carburetor just behind the air cleaner.
Do you have a tach on the bike? If you do, then the normal warmed-up idle should be 1000rpm.
SOURCE: kelhin 40mm cv carburettor harley 1200 xls
No sweat. Screw the idle mixture screw in until it "bottoms out". Do not tighten or you will damage the screw. Back the idle mixture screw out about three turns. Install carburator and check for proper operation.
When you get the bike running, allow it to warm up and then adjust the mixture for highest smoothest idle. Set idle speed to about 1000 rpm with the throttle stop screw.
Testimonial: "cracking "
SOURCE: how to slow fast idle in heritage softail
Sorry but you have to take it to a dealer or someone with a box that can adjust the idle speed. Your fuel injected bike is just like your car, there isn't much can as an owner can do to them anymore. It's been headed that way since 1999. The days of fixing your own motorcycle are slipping away quickly. That's why I'm keeping my old bikes. I can still work on them.
Good Luck
Steve
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