New Carb Top - popping sound?
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1st Gear
Joined: Feb 2015
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From: Los Angeles
New Carb Top - popping sound?
Heres the problem, installed new CV Carb Top on my 96 Sporty 1200 XL and now Im getting a popping from the Carb. Anybody know what is causing this?
Thanks!!
Thanks!!
Seasoned HDF Member
Joined: Aug 2007
Posts: 21,708
Likes: 17,550
From: Driftless Area
There's a diaphragm attached to the slide that moves up and down when you move the throttle. It's right under the top cover. Chances are, if you were just in there, the diaphragm is not seated properly. Mind the small lip in the carb top and cover, and make sure the diaphragm is seated evenly in it.
Hopefully, you didn't tear it anywhere.
Hopefully, you didn't tear it anywhere.
Last edited by RHPAW; May 4, 2015 at 01:00 PM.
Seasoned HDF Member
Joined: Aug 2007
Posts: 21,708
Likes: 17,550
From: Driftless Area
You need a new one. You can probably still order it from H-D. Around $40. Use care installing it. Do not tighten the cover screws until you are sure it's seated. If it still pops after that, check the intake where the carb mounts to the heads. It's "Y" shaped...check all three mount surfaces for leaks.
Thread Starter
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1st Gear
Joined: Feb 2015
Posts: 5
Likes: 0
From: Los Angeles
The tear is right next to the screw hole. I think youre right that its not seated in there properly. I noticed on my stock top it has little ridges and the Biltwell top doesnt have that. Thanks for the info!
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