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Author Topic: CB750 K1 Air Box  (Read 1467 times)

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Offline CB750F2

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CB750 K1 Air Box
« on: March 20, 2008, 06:32:31 PM »
I would like to know the ID of the four holes of a CB750 K1 Air Box. I have a spare Air Box which is supposedly from a K1 and the ID of the holes in it is 44mm which seems too big to me. I hope some one can help. Thanks, Pat
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Offline CB750F2

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Re: CB750 K1 Air Box
« Reply #1 on: March 21, 2008, 12:34:41 AM »
Can some one help me with this? Thanks, Pat
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Offline Terry in Australia

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Re: CB750 K1 Air Box
« Reply #2 on: March 21, 2008, 02:23:33 AM »
Sounds like an F2 airbox Pat, I'll check out a K1 airbox and let you know. Cheers, Terry. ;D
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Offline CB750F2

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Re: CB750 K1 Air Box
« Reply #3 on: March 21, 2008, 06:38:28 AM »
Thanks Terry. That's what I thought but the top half does not have the breather connection which the F2 has and the bottom half has the wing nuts on the end of the through bolts similar to the early Ks. Anyway I am interested to see what you find. I have new tubes coming soon. If the holes are too big I will fit bushes to make the holes the correct size. Pat
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Offline Terry in Australia

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Re: CB750 K1 Air Box
« Reply #4 on: March 21, 2008, 04:55:03 PM »
Geez Pat, why not just get another airbox? I've got a couple kicking around, I think? A bottle of Jack daniels and it's yours! Cheers, Terry. ;D
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I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)

Offline CB750F2

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Re: CB750 K1 Air Box
« Reply #5 on: March 21, 2008, 07:18:00 PM »
Terry, thanks for the offer. I will wait until the new tubes arrive to see if they fit. Did you get your beautiful F2 back together and running? See ya, Pat
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Pat from Australia

Offline scondon

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Re: CB750 K1 Air Box
« Reply #6 on: March 21, 2008, 09:23:25 PM »
 My '76 airbox has 44mm holes.  The way I understand it there would be two different sizes, '76 and under being 44mm, then 77-78 being larger. I'm not up to pulling my '78 box apart to confirm this but I think you're OK with the box you have.

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Offline Terry in Australia

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Re: CB750 K1 Air Box
« Reply #7 on: March 22, 2008, 03:01:20 AM »
Quote from: CB750F2 on March 21, 2008, 07:18:00 PM
Terry, thanks for the offer. I will wait until the new tubes arrive to see if they fit. Did you get your beautiful F2 back together and running? See ya, Pat

It's all together Pat, I just need to slot it back in the frame, but I'm off to my folks place in the country tomorrow, so it won't go back in for a couple of days, and I'm painting the tank while the weather is still warm. Cheers, Terry. ;D
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I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)

Offline CB750F2

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Re: CB750 K1 Air Box
« Reply #8 on: March 22, 2008, 03:29:55 AM »
Scondon, thanks for the feedback. I know there are two sizes but I didn't know the measurements of those sizes. The 44mm looked big to me and I was thinking that maybe someone had enlarged them to fit the later model tubes but your feedback tells me mine is OK. Thanks, Pat
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Pat from Australia

Offline Terry in Australia

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Re: CB750 K1 Air Box
« Reply #9 on: March 22, 2008, 05:46:23 AM »
Damn, I could almost taste that JD too! ;D
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I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)

Offline CB750F2

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Re: CB750 K1 Air Box
« Reply #10 on: March 22, 2008, 05:55:14 AM »
Maybe next time Terry. I have spent a fair bit of time making this one presentable so I wasn't going to write it off without checking first. Have a Happy Easter. Pat
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Pat from Australia

Offline Terry in Australia

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Re: CB750 K1 Air Box
« Reply #11 on: March 22, 2008, 05:59:37 AM »
You too mate! ;D
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I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)
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