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Author Topic: CB400F Air Box  (Read 358 times)

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Offline grumpy56

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CB400F Air Box
« on: October 27, 2023, 09:43:25 AM »
The boots on this airbox have been glued to the hard plastic but 3 of the 4 are loose. Are the boots separate items and what is the best way to ensure a leak free attachment? Thanks.
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Offline Flyin900

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Re: CB400F Air Box
« Reply #1 on: October 27, 2023, 11:40:09 AM »
Boots can be purchased as a separate item usually in a set of 4 from aftermarket sources, yet singley from Honda if still available. DSS has a US depot to sell these items who can supply the aftermarket ones for a reasonable price, also EBay likely too.
Any rubber sealant can be used to seal the loose ones, yet not super critical if they fit snug as they usually have a dual lip design covering both the inner and outer part of the airbox.
« Last Edit: October 27, 2023, 04:29:44 PM by Flyin900 »
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Common sense.....isn't so common!

1966 CL77 - 305cc - Gentleman's Scrambler
1967 CL175K0 - Scrambler #802 engine
1972 CB350F - Candy Bacchus Olive - Super Sport
1973 CB350F - Flake Matador Red - Super Sport
1975 CB400F - Parakeet Yellow - Super Sport
1976 CB400F - Varnish Blue - Super Sport
1976 GL1000 - Goldwing Standard
1978 CB550K - Super Sport
1981 GL1100 - Goldwing Standard
1982 CM450A - Hondamatic
1982 CB900C - Custom
1983 CX650E - Eurosport
1983 CB1000C - Custom X 2 Bikes now - both restored
1983 CB1100F - Super Sport - Pristine example
1984 GL1200 - Goldwing Standard

Offline grumpy56

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Re: CB400F Air Box
« Reply #2 on: October 27, 2023, 12:07:04 PM »
thanks Flyin
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Offline newday777

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Re: CB400F Air Box
« Reply #3 on: October 27, 2023, 01:10:50 PM »
Welcome aboard the forum grumpy56

Be sure to go to the new members section and introduce yourself and your bike

Looks like David Silver Spares is temporarily out of stock of the air horns but expects them soon.

https://www.davidsilverspares.com/CB400F-SUPER-SPORT-1977-USA/part_195134/

Honda used to sell them attached to the backing plate but are no longer available.
17300-333-000
CHAMBER ASSY., AIR CLEANER (NOT AVAILABLE)

Here's a set on feebay in California

https://www.ebay.com/itm/124718579664?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=wduBxuTgRz-&sssrc=4429486&ssuid=okhTUXaIQdO&widget_ver=artemis&media=COPY
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Stu
Honda Parts manager in the mid 1970s Nashua Honda
My current rides
1975 K5 Planet Blue my summer ride, it was a friend's bike I worked with at the Honda shop in 76, lots of fun to be on it again
1976 K6 Anteres Red rebuilding project, was originally my brother's that I set up from the crate, it'll breath again soon!
Project 750s, 2 K4, 2 K6, 1 K8
2008 GL1800 my daily ride and cross country runner

Prior bikes....
1972 Suzuki GT380 I had charge of it for a year in 1973 while my friend was deployed and learned to love street riding....
New CB450 K7 after my friend returned...
New CB750 K5 Planet Blue, demise by ex cousin in law at 9,000 miles...
New CB750 K6 Anteres Red, to replace the totaled K5, I sold this K6 at 45k in 1983, I had heavily modified it, many great memories on it and have missed it greatly.....
1983 GL1100A, 1999 GL1500 SE, 1999 GL1500A

Offline newday777

  • Really Old Timer ...
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  • Posts: 5,227
  • Avatar is my 76 K6 in Colorado w/Cody on back 1980
Re: CB400F Air Box
« Reply #4 on: October 27, 2023, 01:11:33 PM »
New members introduction section

http://forums.sohc4.net/index.php/board,58.0.html
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Stu
Honda Parts manager in the mid 1970s Nashua Honda
My current rides
1975 K5 Planet Blue my summer ride, it was a friend's bike I worked with at the Honda shop in 76, lots of fun to be on it again
1976 K6 Anteres Red rebuilding project, was originally my brother's that I set up from the crate, it'll breath again soon!
Project 750s, 2 K4, 2 K6, 1 K8
2008 GL1800 my daily ride and cross country runner

Prior bikes....
1972 Suzuki GT380 I had charge of it for a year in 1973 while my friend was deployed and learned to love street riding....
New CB450 K7 after my friend returned...
New CB750 K5 Planet Blue, demise by ex cousin in law at 9,000 miles...
New CB750 K6 Anteres Red, to replace the totaled K5, I sold this K6 at 45k in 1983, I had heavily modified it, many great memories on it and have missed it greatly.....
1983 GL1100A, 1999 GL1500 SE, 1999 GL1500A

Offline grumpy56

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Re: CB400F Air Box
« Reply #5 on: October 27, 2023, 04:18:01 PM »
Thank you and will do.
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