A little help please
Thread Starter
|
Road Warrior
Joined: Aug 2009
Posts: 1,287
Likes: 592
From: USA
A little help please
I posted this in the tech forum but got no response. My engine has been acting a little strange and I could use some help figuring it out. I have a 98 ultra classic fuel injected. It has screamin eagle pipes everything else is stock. Approx. 31,000 miles. The best way I can describe what it is doing is occasionally while riding the engine will "cough". It's like it will be running and for like one second it will act like maybe it miss fires or something. It dont do it often maybe once or twice on a day trip. I'm going on a week long trip at the end of the month and just want to make sure I don't have a problem lurking. Any ideas would be appreciated.
Road Master
Joined: Sep 2007
Posts: 873
Likes: 0
From: Just east of the 'bama line, GA.
Sounds like a gas thing. Run half a can of b-12 chem tool thru a full tank of prem.gas, then let us know what happens on the tank after that one. How dirty is your air filter ? check your plugs ?
Last edited by artz; Jul 4, 2010 at 11:24 PM.
Road Warrior
Joined: May 2010
Posts: 1,294
Likes: 1
From: South FL
I posted this in the tech forum but got no response. My engine has been acting a little strange and I could use some help figuring it out. I have a 98 ultra classic fuel injected. It has screamin eagle pipes everything else is stock. Approx. 31,000 miles. The best way I can describe what it is doing is occasionally while riding the engine will "cough". It's like it will be running and for like one second it will act like maybe it miss fires or something. It dont do it often maybe once or twice on a day trip. I'm going on a week long trip at the end of the month and just want to make sure I don't have a problem lurking. Any ideas would be appreciated.
Ultimate HDF Member
Joined: Aug 2008
Posts: 5,413
Likes: 17
From: eastern oklahoma
it always pays to check the dumb stuff first, like condition and gapping of the plugs, and if you've still got the stock plug wires on it, it may be that they've broken down. they're 12 years old by now if they're still stock. you could also have a bit of a blockage in your fuel filter or the screen which i think they were still using back then in the petcock. the petcocks could cause issues back around that time, and may be catching up with you. take some time and clean and adjust what you can. you'd be surprised with how many problems can be fixed by checking the stupid stuff first. also what condition is your air filter element in?
Like others said, it could be many many things. Maybe the ignition switch is going bad. Maybe bad gas, fouled plugs, bad wires etc.
Trending Topics
Outstanding HDF Member
Joined: Jul 2009
Posts: 2,313
Likes: 5
i had the same exact thing and it turned out the bike is lean cuz i installed a se a/c and slip ons with no fuel tuner. so i bought a race tuner and problem solved.
HD Forum Stories
The Best of Harley-Davidson for Lifelong Riders
6 Weirdest Harley-Davidsons Ever Sold to the Public
Verdad Gallardo
7 Times Harley-Davidson Chucked Tradition Out the Window
Verdad Gallardo
7 Surprising Harley-Davidson Products that Are Not Motorcycles
Verdad Gallardo
8 Best Harley-Davidson Motorcycles Ever
Pouria Savadkouei
10 Worst Harley-Davidson Motorcycles Ever
Pouria Savadkouei
Killer Custom's Jail Break Is The Breakout That Refused to Blend In
Verdad Gallardo
Crazy Bunderbike Build Looks Amazing, But Is It Impossible to Ride?
Verdad Gallardo
Harley-Davidson Reveals Super Cool Cafe Racer Concept
Verdad Gallardo
Engraved Rebellion: Inside Bundnerbike's Glam Rock II
Verdad Gallardo
Elite HDF Member
Joined: Jul 2005
Posts: 3,968
Likes: 34
From: Lockport Township, IL
My 04 Ultra has done the same thing from day 1. Maybe once a day, just a slight cough. I have assumed it was just a tiny bit lean and haven't worried about it. The plugs look fine (not white - just slightly tan). My wife's carbed 06 sportster did the same thing only it did it all the time. Soon as it got hot, could hardly keep it running. Turned out it was a bad crank position sensor.
Thread
Thread Starter
Forum
Replies
Last Post