Carb install
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Stage III
Joined: Feb 2022
Posts: 3
Likes: 0
From: NC
Carb install
I'm installing a new carb (stock) on my 93 Fatboy. The 3 screws/bolts that mount the air cleaner backplate to the carb seem to have different threads. Seems like i'd be forcing them in. What gives? Not smart enough to attach pictures.
Grand HDF Member
Joined: Apr 2007
Posts: 3,723
Likes: 3,063
From: Brighton, MI
1/4 x 20 for my 1994. Is this a factory carb (keihin) or a reproduction? If a reproduction, all bets are off on the thread size. That might be the issue or could be a build up of loctite...
Loctite (blue) is your friend here, don't want one of those bolts working loose and getting sucked into the carb/engine. It has happened before (posted on this forum).
Loctite (blue) is your friend here, don't want one of those bolts working loose and getting sucked into the carb/engine. It has happened before (posted on this forum).
Last edited by Yankee Dog; Feb 24, 2022 at 05:22 PM.
Seasoned HDF Member
Joined: Apr 2008
Posts: 23,050
Likes: 12,326
From: Arkansas
I agree with @Yankee Dog .
I recently installed a new cover on my carb re-using the same screws as the previous one and it felt like they were all X threaded.
I use blue loctite on a lot of fasteners and it can gum up threads.
I recently installed a new cover on my carb re-using the same screws as the previous one and it felt like they were all X threaded.
I use blue loctite on a lot of fasteners and it can gum up threads.
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