05 883 backfire issue
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4th Gear
Joined: Aug 2009
Posts: 8
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05 883 backfire issue
When engine heats up bike backfires through carburetor when giving throttle yet can idle fine.
Problem only occurs when throttled and while the bike is warmed up. The plugs are fine.
Any ideas?
Thanks
Problem only occurs when throttled and while the bike is warmed up. The plugs are fine.
Any ideas?
Thanks
Last edited by linda883; Aug 2, 2009 at 01:16 PM. Reason: After reading some of the previous entries that may have applied.
Outstanding HDF Member
Joined: Oct 2007
Posts: 3,178
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From: 50 Miles North N.Y.C.
need more info is it all stock. riden dailey. long or short rides lugged or ***** out was it laid up for awhile air filter clean. when you start it up do you idle it long on the enricher (choke) They all spit a little the carbed models my o6 1200C does it from time to time she likes to be run like I stole it. likes 93 octane or 91 likes a clean air filter. If she sits and idles a lot she spits when I throttle up when I run her in the higher rpm range for a while all is good. Could be other things but need more info
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4th Gear
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05 883 backfire issue
Yes, it is stock w/new pipes that have been on for 6 months now. No, not ridden daily, but every weekend (weather permitting), some long rides, some short. Air filter is clean, the backfiring has even occurred w/o the air filter on. It back fired so bad one time, it knocked the carb right off the bike. I always run 93 octane. This issue is only happening when the bike is hot.
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4th Gear
Joined: Aug 2009
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05 883 backfire issue
The intake was never changed. I still run the stock air cleaner. The exhaust was changed about 6 months ago. This problem has been happening for the past 3 weeks. I appreciate all the help.
Club Member
Joined: Feb 2007
Posts: 16,320
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From: Boynton Beach, FloriDuh
Any kind of air leak on the intake manifold side will also produce a lean condition. I've had a torn carb to manifold gasket cause the same problem. Heat causes expansion which can cause air leaks.
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4th Gear
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Thanks so much for the lead. I will check out the intake to head gasket, and the carb to intake gasket. Hopefully that's the issue. Much appreciation!
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4th Gear
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I have changed the intake gaskets, and the carb gasket. I'm still having the problem.Any other suggestion? Could it be the ignition coil?
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Cruiser
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Pops when Warm
If it only pops when warm, then it is possibly something heat related. The '05 has the Crank Position Sensor that, when it fails, is notorious for "bad" behavior when warm and just off idle throttle opening. Idling it is just fine. Cold it runs fine.
That may not be the source of your problem, but it is something to be aware of.
That may not be the source of your problem, but it is something to be aware of.
Club Member
Joined: Feb 2007
Posts: 16,320
Likes: 306
From: Boynton Beach, FloriDuh
If it only pops when warm, then it is possibly something heat related. The '05 has the Crank Position Sensor that, when it fails, is notorious for "bad" behavior when warm and just off idle throttle opening. Idling it is just fine. Cold it runs fine.
That may not be the source of your problem, but it is something to be aware of.
That may not be the source of your problem, but it is something to be aware of.