Cb750k for $300

M

Mags

Active Member
Hello, figured I'd start a build thread now. Picked up this 1980 honda that was stored in a shed since 2009. Owner couldn't get it started so he put it up for sale for 400. Talked him down to 300 and picked it up. After I brought it home, all it needed is a new starter solenoid and a good carb cleaning.

This is how I got it. The windjammer is for sale as well.



This is how it sits.



The exhaust came with it. I don't believe it is factory seeing as its already rusted pretty good. Repainted it for now.



The carbs
 
I have mixed opinions on the seat that I have now. What do you guys think? I have the factory seat that came with the bike but....not a fan. It's in great condition but the seat I've got on it now was something I've had laying around.
 
Mags said:
I have mixed opinions on the seat that I have now. What do you guys think? I have the factory seat that came with the bike but....not a fan. It's in great condition but the seat I've got on it now was something I've had laying around.
Click to expand...
The seat you have now is super long, a little bump would be cool especially since it's such a big bike, something to keep your ass off the pavement might not be a bad idea haha

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You could take about 6" off the end of that seat and still 2-up EASILY. Throw a nice rear fender and a sleek little brake/tail light on and the lines will flow perfectly
 
coyote13 said:
You could take about 6" off the end of that seat and still 2-up EASILY. Throw a nice rear fender and a sleek little brake/tail light on and the lines will flow perfectly
Click to expand...
I'd love to but I'm not too experienced with seat fabrication. Maybe take a cutting wheel to it and reshape the foam? Then just glue and staple?

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Is the seat pan metal, fiberglass or ABS underneath? Its not too difficult to shorten, you will basically just cut the base of the pan and weld (plastic/metal) the rear lip back on so you have something to fasten the cover to.

As for the foam, its pretty easy to rough shape with a fine-tooth saw and smooth with a flap wheel or something similar, trim back the upholstery and remount.
 
It's a metal pan. Will definitely contemplate doing this. I was thinking to just cut off the excess and reshape the pan, foam and pull the excess cover over all of it

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Well, just got a nice check, waiting to cash it in. Ordered new parts!

5 7/8" chrome round headlight
Silver headlight bracket mounts
Silver clip on handlebars
Chrome bar end mirrors
New brake lights

Now I know this is a lot of shiney stuff at the controls, but I plan on dressing it down a bit. I don't want to overly do the chrome, but I want it to have that classic factory feel.
 
I don't know why I haven't thought of this before...but I'm thinking about getting a generic café racer seat off ebay for the days that I ride solo (most of the time)

Since I have that ridiculously long seat for the 2 up days, I could just switch them out. Only issue is getting a seat with the correct length that will fit as it is designed to. ( Generic seats...goodluck right?)
 
Lookin good, Mags! Just remember: as ugly as it may be, you still want the factory airbox in there: no pods! The OEM CV carbs simply won't run right with pods, unless you spend countless hours fighting, adjusting, tuning and crying. And then you'll end up with a very narrow range of throttle, rpm and weather/altitude in which it will perform as nice as it looks.
 
Yes I've kept the stock air box around for that very reason. I don't have the time to fiddle with tuning for pods lol. I appreciate the input good sir.

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Mags said:
Yes I've kept the stock air box around for that very reason.
Click to expand...

Not sure how the dohc airbox is assembled but on the earlier sohc it's a top half and bottom half. For my sohc 750 I just ran the top half with a plate underneath that had breathing holes. It ran great and was only half the height.
 
This is very good information. I'll take apart the box and look at what exactly I can and cannot keep. This box is just so massive, a real eye sore. More than likely I'll need the entire assembly lol.
 
Steel dragon performance has a clean looking aftermarket air box setup that is reasonably priced looks better than the OE box might perform just as well. I'm going to order one for my 750 you might check in to that
 
Initial start up after a lot of headaches. Excuse the wiring mess! I believe it's running on 2 cylinders hence the smoke and absolute lack of power.

https://youtu.be/CIcsAEZmkW4

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