RPM's dropping
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Joined: Feb 2011
Posts: 85
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From: South Eastern Wisconsin
RPM's dropping
I have a 2012 FXDC with 4,300 miles on it now. Bought it new in January of 2013. This week while at a stop at a four way intersection the rpm' dropped to 700 down to 600 then motor killed. Normally the rpm' stay at 990 to 1,000. Bike was in first gear with clutch pulled in at time bike killed. Then ran fine, now it did it again but am watching and give it a slight rev when goes low. Would anybody know what this issue might be? I did have dealership install new mini ape handlebar with new grips. This was some time ago though. Possible cable adjustment needed on throttle? Hate to run into dealership if something I can handle. I did also clean air filter and checked spark plugs.
Thank you for any tips.
Thank you for any tips.
Last edited by Huckster; Jul 3, 2017 at 06:25 AM. Reason: Spelling error
Road Captain
Joined: Nov 2016
Posts: 666
Likes: 95
From: Berlin
From another op try this.
Easy to do ...
Don't touch the throttle .. kill switch in the run position ...
Turn ignition switch on, wait for engine light to go off, turn ignition off.
Do this 4 times, then start the engine. This resets the computer.
Note: when shutting down the engine make sure it's at idle. Don't blip the throttle, and don't shut it down on cold idle. The computer remembers the last rpm at shutdown and sets the idle to that.
Easy to do ...
Don't touch the throttle .. kill switch in the run position ...
Turn ignition switch on, wait for engine light to go off, turn ignition off.
Do this 4 times, then start the engine. This resets the computer.
Note: when shutting down the engine make sure it's at idle. Don't blip the throttle, and don't shut it down on cold idle. The computer remembers the last rpm at shutdown and sets the idle to that.
Extreme HDF Member
Joined: Feb 2015
Posts: 10,907
Likes: 8,756
From: Galt's Gulch - MI
OP, check out this video, it will help you see what you need to do. Turn on the ignition and turn the run/stop switch off and on as you spray the cleaner. I've just used carb cleaner and it's worked out great.
If you're venting your oily crankcase gasses back in to the A/C the IAC will get gunked up...
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