Author Topic: Newbie '78 CB750 K8 (US) Cafe Build  (Read 2636 times)

Offline marcgannon

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Re: Newbie '78 CB750 K8 (US) Cafe Build
« Reply #15 on: May 01, 2018, 08:24:22 PM »
I got one of those pipes from carpys.fit is quite poor on them .did sound nice though.i have had a pipe for my new build made . which was around the same price .but fits great and made out of stainless.

That's such a shame. From the videos they do sound pretty tasty!

Do you have any pictures of the one you got made and details on who made it?

Offline Rob62

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Re: Newbie '78 CB750 K8 (US) Cafe Build
« Reply #16 on: May 01, 2018, 09:42:20 PM »
I’ll be ordering a delkevic short pipe for mine in the next few weeks....
http://www.delkevic.co.uk/index.php?route=product/product&path=106588_107108_107219_107220&product_id=57990

Offline Rozabikes Tim

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Re: Newbie '78 CB750 K8 (US) Cafe Build
« Reply #17 on: May 01, 2018, 09:45:27 PM »
What about a 400 four tank they fit straight on or cx 500 they look good on the 750

I have looked at the 400f tank, but it has a slightly sharper angle than the CB750f. The CX500 one does look pretty cool, though. I'll have a play around on Photoshop later and see what I think!
This may be of use from when I was playing with ideas for a similar project. Don't laugh guys very rough ideas and scale not really right etc. I was toying with the idea of welding 2 tanks together per a rather tasty black cafe built by a member on here ( think he was Swedish user name DME?).
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One day I'll have the time to restore it, not just talk and dream....

Offline marcgannon

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Re: Newbie '78 CB750 K8 (US) Cafe Build
« Reply #18 on: May 01, 2018, 10:40:19 PM »
I’ll be ordering a delkevic short pipe for mine in the next few weeks....
http://www.delkevic.co.uk/index.php?route=product/product&path=106588_107108_107219_107220&product_id=57990

Hi Rob!

I checked out the Delkevic products, and they look great - a bunch of people on YouTube seem to be using them on their builds and say they quality is very good and the price is even better!

My only qualm with them, and this is purely only based on aesthetics, is the springs. I wonder if I could get away with not using them? If so, do we know what problems that may cause?

Keep me posted on yours and I'll deliberate in the meantime  ;)

Offline marcgannon

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Re: Newbie '78 CB750 K8 (US) Cafe Build
« Reply #19 on: May 01, 2018, 10:42:35 PM »
What about a 400 four tank they fit straight on or cx 500 they look good on the 750

I have looked at the 400f tank, but it has a slightly sharper angle than the CB750f. The CX500 one does look pretty cool, though. I'll have a play around on Photoshop later and see what I think!
This may be of use from when I was playing with ideas for a similar project. Don't laugh guys very rough ideas and scale not really right etc. I was toying with the idea of welding 2 tanks together per a rather tasty black cafe built by a member on here ( think he was Swedish user name DME?).
(Attachment Link)

Offfft! I am really digging that tank on this. This is the CX500, yes?
It definitely gives the bike a very mean look - did you go ahead with the project or is it still in the works?

Offline Rozabikes Tim

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Re: Newbie '78 CB750 K8 (US) Cafe Build
« Reply #20 on: May 02, 2018, 07:43:18 AM »
No struggling with leg atrength and 750 too much for me (as is my 400 now to be honest)

As I say scale in my picture isn't correct, just a cut, paste and stretch job of various pictures. If you like the idea do some research on internet on tank stretching DME did. Think it was on sister .net site. However stock CX tank could work nicely anyway. One thing you need to look at is mounting for final visual look. CX tank sits at a bit of an angle towards headatock on original bike.

Hope that helps.
One day I'll have the time to restore it, not just talk and dream....

Offline royhall

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Re: Newbie '78 CB750 K8 (US) Cafe Build
« Reply #21 on: May 02, 2018, 07:52:05 AM »
Just put a Delkavic on my GS1000. Sounds really good but the fit was not great, I had to send one pipe back for rebending and adjust the length of another. Also the silencer does appear to stick out a bit too far, but it is the version with the long can on it.
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Offline Rob62

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Re: Newbie '78 CB750 K8 (US) Cafe Build
« Reply #22 on: May 02, 2018, 01:17:14 PM »
Just put a Delkavic on my GS1000. Sounds really good but the fit was not great, I had to send one pipe back for rebending and adjust the length of another. Also the silencer does appear to stick out a bit too far, but it is the version with the long can on it.

How does it compare to the photo on their website?..

A photo of your pipe, or even better a video, would be nice..

Offline royhall

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Re: Newbie '78 CB750 K8 (US) Cafe Build
« Reply #23 on: May 02, 2018, 04:30:29 PM »
Rob. Delkevic were great about the problems and rebent a pipe for me, even gave me £20 back for the trouble. They were horrified that the new CNC bender had got it wrong. Here's a few photos, can't do a video at the moment as the tank and panels are away at Menno's for a repaint. It does sound mighty though, on the edge of legal.

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Current bikes:
TriBsa CCM 350 Twin
Honda CB350F in Candy Bacchus Olive
Honda CB750F2 in Candy Apple Red
Triumph Trident 660 in Black/White
Triumph T100C
Suzuki GS1000HC
Honda CB450K0 Black Bomber
Honda CB750K5 in Planet Blue Metallic (Current Project)

Offline Rob62

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Re: Newbie '78 CB750 K8 (US) Cafe Build
« Reply #24 on: May 02, 2018, 07:45:10 PM »
I see what you mean although it looks better on the view from the top than the view from behind. I like the tyres, i do like to see modern rubber on classic jap bikes...

Offline royhall

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Re: Newbie '78 CB750 K8 (US) Cafe Build
« Reply #25 on: May 02, 2018, 08:02:58 PM »
I see what you mean although it looks better on the view from the top than the view from behind. I like the tyres, i do like to see modern rubber on classic jap bikes...
Yes I see what your saying about the rear view. It is actually a bit of a camera angle thing, it's not too bad. I would have just tucked it in a little more if I had been making it. Sounds really good though. Just had a photo back from Menno about the tank, good job I sent it to him really.


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Current bikes:
TriBsa CCM 350 Twin
Honda CB350F in Candy Bacchus Olive
Honda CB750F2 in Candy Apple Red
Triumph Trident 660 in Black/White
Triumph T100C
Suzuki GS1000HC
Honda CB450K0 Black Bomber
Honda CB750K5 in Planet Blue Metallic (Current Project)

Offline marcgannon

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Re: Newbie '78 CB750 K8 (US) Cafe Build
« Reply #26 on: May 06, 2018, 03:18:55 PM »
Hi all,

Just a brief update on where I'm at, and boy I'm slow at this!

Everything has been removed now, with the exception of the oil tank and wheels which should be off tomorrow hopefully.

James here on the SOHC forum kindly swung by mid week and provided me with the Supersport tank I was after (shown in last picture), which has saved me countless hours scrolling through eBay - so thank you so much for that!

Next steps (although unsure of order) will be send the hubs off to have new 18" front and back wheels made up, cut down the frame to weld on a seat hoop and install the new rear sets.

Now... off to order parts and spend all of my hard earned cash!
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« Last Edit: May 06, 2018, 03:20:52 PM by marcgannon »

Offline Trigger

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Re: Newbie '78 CB750 K8 (US) Cafe Build
« Reply #27 on: May 07, 2018, 09:32:36 PM »
Make sure when you cut the rear off the frame, not to cut too much off. If it is too short, it looks stupid  ;)

Offline Mag1

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Re: Newbie '78 CB750 K8 (US) Cafe Build
« Reply #28 on: July 15, 2018, 04:17:53 PM »
Any development on progress?. Your saying you like the Carpys exhaust, have a look at cyclexchange based in hazel hurst USA, has some great parts and namely exhausts. Looks like you have chain ring missing from rear sprocket. Looks a very clean bike to start with and should be easy to work on. Did the engine run?.
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Offline cb750stu

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Re: Newbie '78 CB750 K8 (US) Cafe Build
« Reply #29 on: July 16, 2018, 08:15:24 PM »
Two four seat, ace bars, four into one pipe.....and the same tank with maybe a new paint job.... would look cool i reckon

Definitely going to be doing the 4-into-1 pipe!

I've been looking at the Yoshimura style one from Carpy's Cafe Racers http://carpyscaferacers.com/shop/shop-our-store/motorcycle-parts-accessories/honda-cb500-cb550-cb750-parts-upgrades/cb750-4-into-1-exhaust-sohc/ - does anyone have any thoughts on this or know if anywhere in the UK I can get something similar for the same price (around £600 delivered)?
Hi , I've got the 4into1 from Carpys fitted perfect tbh , I've had it ceramic coated inside and out in satin black , sounds ace

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1976 CB750 F1 SS in bits !!! but getting there

 

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