Salt City Cafe Build 1971 CB750 - Its Finally Done!

Re: Salt City Cafe Build 1970 CB750

Just sold my car so the bike will be getting a well deserved sweet cash injection in the next few weeks
 
Re: Salt City Cafe Build 1970 CB750

JohnGoFast said:
Nice, what's the plan?
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I purchased a bunch of parts so I am waiting on the last of them to arrive. I am ready to fiberglass the seat and I need to start cleaning things up and ready for powdercoating.

I am also waiting on the machined parts for my front wheel still.
 
Re: Salt City Cafe Build 1970 CB750

Update time!

Been doing a lot of waiting for parts and working on my seat so here is where I am at the moment.

First off as you saw I got my seat all shaped so now its time to fiberglass. As everyone knows you always end up with a gap between the seat and the tank. I have seen a few ways of filling this gap but this is what I came up with and it worked out pretty well.

Here is the gap.


First I put some plastic wrap over the tank to keep the goo off it. You will see why in a sec.


This is what I will be filling the gap with ;)


Then I realize that the can is to old and had to go buy a new one.


And the gap is filled! Now it will follow the contour of the tank exactly.


I forgot to get a picture of it after it was dried and carved up. One thing I noticed is you might have to go back and fill some of the air pockets that get created to make a more solid piece but here it is wrapped in tape.




Then I decided to use some Cat5 cable to make an indentation for the seat pan to rest.



All taped up


Now its time for fiberglass.


Luckily we just happened to have a bunch of fiberglass laying around


I didn't get any pictures of the process because as anyone who has done fiberglass knows once you get started you can't stop and its damn messy. So Here is a pic of it all glassed up.



Yeah like I said messy


One tip here is to use contact cement on your whole seat foam before you tape it. I had issues with the tape pulling away from the foam and causing the fiberglass to not be flat. Second tip here is to not get to crazy with the wax. I think I overdid it and I had issues getting the fiberglass to push down in tight around the rib I made for the seat pan. It might have been that the cloth I was using was to heavy as well I'm not exactly sure.

Also before I glassed the seat I pulled it outside and did a little mock up to see how things look.

I am digging it!





So that's all for now I am gonna be pushing this week for the machinist at work to finish my front wheel parts so that I can get it put together and hopefully get this thing rolling in the next few weeks.
 
Re: Salt City Cafe Build 1970 CB750

seat looks great !
if you had used the laminating resin and cloth you could get the glass stuck exactly where you want it and take your time doing it ;)
 
Re: Salt City Cafe Build 1970 CB750

We did use laminating resin for the first layer and it still didn't stick. I honestly think I just put to much wax on it.
 
Re: Salt City Cafe Build 1970 CB750

So I definitely scored today. I walked over to one of my neighbors who always has sport bikes out and is always working on them and asked about parts he may have laying around. Well long story short I picked up a decent of rear sets for 10 bucks! I'm not sure just yet if I can make them work but for 10 bucks how can I really go wrong.

I also found out he has a complete Yamaha R6 front end that he only wants $40 for. Now since I am new I'm not sure if the conversion would work on my 750. I know speedbump did a cbr front end conversion on his 550 but I am not sure that the R6 one would work or if I would have to do all the new machined hub and stuff like speedbump did. Any insight into this I would appreciate.

Go to the website for ALLBALLS; http://www.allballsracing.com/index.php/forkconversion and you can look up to see if the R6 forks will fit the CB750 frame, and you can purchase the conversion kit from them. Easy!!!
 
Re: Salt City Cafe Build 1970 CB750

tao40 said:
Whoops, sorry see you already found that out! ::)
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LOL yeah I have the complete front end now and the bearings I just haven't knocked out the old races yet. I am waiting til I am ready for a good rolling chassis mock up so I don't get any gunk in them
 
Re: Salt City Cafe Build 1970 CB750

No pics for the update this week because well not really much to see.

I got the old bearing races knocked out of the steering neck. Found out that I suck at welding still but its a good thing I am good at grinding so I got the frame all detabbed and cleaned up. And mocked up an oil tank.

Like I said nothing really to see.
 
Re: Salt City Cafe Build 1970 CB750

I just ran across this thread, good to see some quality work going on in SLC.

What are you planning on doing for the wheels?
 
Re: Salt City Cafe Build 1970 CB750

PLAZACYCLEJOSH said:
I just ran across this thread, good to see some quality work going on in SLC.

What are you planning on doing for the wheels?
Click to expand...

Powder coated and relaced OE wheels.....relacing is going to be an adventure LOL
 
Re: Salt City Cafe Build 1970 CB750

There is a good local company called Warp 9, they are over on Decker Lake BLVD. They have some very good info on relacing rims (especially to take a break and grab a bite to eat if there is a problem then come back to figure it out later). They mostly do anodized aluminum parts, but they have some good resources. I look forward to seeing the pics
 
Re: Salt City Cafe Build 1970 CB750

Good to know. I don't live all that far from decker lake and the e-center
 
Re: Salt City Cafe Build 1970 CB750

OK sooooo...I forgot the camera this weekend....

But I got the new All Balls steering stem bearings in and working like a champ.

I also got my oil tank and electrical tray made and off to my cousin and uncle to weld up ( I don't have a TIG welder and they do and they do it all the time and I don't and TIG just looks so much better!)

Anyway I am working out some measurements for my seat hoop and will most likely be ordering one from SONIC.

And I will be ordering a bung and cap for the oil tank so I can get that all buttoned up.

I am getting dangerously close to powdercoat time. Just need to get everything together and do a test fit.
 
Re: Salt City Cafe Build 1970 CB750

Nice work Salt Lake. The idea to leave the knee dents plannished is an inspired. Nice to know an R6 front fits too - it looks way stiffer than stock and you haven't lost the old school look like you do with a GSX-R front end.
 
Re: Salt City Cafe Build 1970 CB750

Doctor Jones said:
Nice work Salt Lake. The idea to leave the knee dents plannished is an inspired. Nice to know an R6 front fits too - it looks way stiffer than stock and you haven't lost the old school look like you do with a GSX-R front end.
Click to expand...

Well I'm not sure how old school it will remain as far as the look. The dual disk brakes and possibly the R6 front fender are coming soon but I am keeping the spoke wheels LOL
 
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