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Author Topic: 79 CB750K RCB Clone-ish. On the road.  (Read 43166 times)

Offline Garage Rat

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79 CB750K RCB Clone-ish. On the road.
« on: Mar 06, 2010, 21:10:26 »
Starting new thread to appease the hoard  ;)

Edited for the new guys. Look at the date stamps...









This:



Is going to look half assed like this:




And currently planning a LONG term project with leaf spring rear suspension. Gonna put some actual figuring and mathmatiks  ;) to it.
« Last Edit: Jun 28, 2014, 00:17:30 by Garage Rat »
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Offline Garage Rat

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Re: 79 CB750K RCB Clone-ish
« Reply #1 on: Mar 07, 2010, 13:08:52 »
Talked to Sean, hes doing a little cad work before he starts pounding metal.

I have my tail on order as seen above from Germany because the place where its made in France wont reply to me emails...
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Offline Garage Rat

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Re: 79 CB750K RCB Clone-ish
« Reply #2 on: May 19, 2010, 01:10:48 »
To prove I haven't given up...

My digi-cam died on me so I had to use my lap top web cam.



I think I'm going to have my frame powder coated if I can figure out how to remove the nut on my triple tree...



The side covers on the engine will be getting polished and the valve cover will be getting a new gray paint job, a little different from the jugs.
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Offline thompsonmx100

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Re: 79 CB750K RCB Clone-ish
« Reply #3 on: May 19, 2010, 09:12:40 »
You're back at it huh. Well if you can make your bike look like your inspiration pic then you'll have one sweet bike.Just stay focused. Whats the talk of leaf spring suspension?
always a hint of danger. Like a skanky chick at a bar. You know the diseases she has will kill you, but you still want to ride the shit out of her.
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Offline Garage Rat

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Re: 79 CB750K RCB Clone-ish
« Reply #4 on: May 28, 2010, 01:32:42 »
With some words of encouragement form Kiley I set forth on replacing my head gasket...

The second bolt I removed fell in to the DOHC valley of death :o... I found it stuck half way down! and used the worlds single most greatest invention to get it out, MAGNET ON A STICK!

Removing my cam caps I felt one snap breaking the torque :o Fortunately I managed to remove it in one piece but it is cracked 75% through, Now I need replacements, Where do I get some?

Also, my cylinders have tons of carbon deposits, about three of my valves have a red ish tint to them... Bad? I'm thinking I can clean it within reason and put it all back together. I just need to get the bike on a good hot 300 mile highway run... Buellerr?         Bueller?

\


Done for the night with a Bushmills Black at my side.
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Offline interceptor

  • Posts: 865
Re: 79 CB750K RCB Clone-ish
« Reply #5 on: May 28, 2010, 04:08:03 »
Dude, this bike is going to be f'n hot.  Love how that bike looks.  Damn.
Opinions are like farts... they stink and no one wants to hear it except yourself.

Offline Kanticoy

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Re: 79 CB750K RCB Clone-ish
« Reply #6 on: May 28, 2010, 12:23:18 »
Now aren't you glad you did that?  It look like the Honda part number for your caps are 203154-001.  Bike bandit has them for $19 each.  At least they still have 'em!

As far as the deposits, you might as well soak all of your parts in a tub of solvent while you have it all broken down and clean the crap out of of it all.  Maybe even consider a soda blasting.  Make it as good as new, and go ahead and re-lap your valves while you're in there.  It'll all just be peace of mind for the future, and you can call it a nice fresh head job.

Good job man.

http://www.bikebandit.com/houseofmotorcycles/1979-honda-motorcycle-cb750k/o/m2001

Go to Engine and Exhaust, and then click cylinder head cover.
I get not knowing, but I can't for the life of me understand not trying. It's only metal it can be fixed. Man up and risk a mistake in exchange for a lesson.
'

Offline Garage Rat

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Re: 79 CB750K RCB Clone-ish
« Reply #7 on: May 28, 2010, 12:40:00 »
I need the bolts that hold the caps on, but they have em! and the valve cover bolt seals too.

I don't know if this was a good thing... Now I'm thinking, "how much would it cost to bore out the cylinders and get bigger pistons..."

And to the jug gasket too for good measure...



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Offline Kanticoy

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Re: 79 CB750K RCB Clone-ish
« Reply #8 on: May 28, 2010, 13:20:15 »
I need the bolts that hold the caps on, but they have em! and the valve cover bolt seals too.

I don't know if this was a good thing... Now I'm thinking, "how much would it cost to bore out the cylinders and get bigger pistons..."

And to the jug gasket too for good measure...





If you're gonna do it, then do it now.  It is a PITA to keep taking it apart and putting it back together.  Not from a mechanical standpoint, but setting cam timing on DOHC over and over gets tedious.  Go for it!  It's only $$$!
I get not knowing, but I can't for the life of me understand not trying. It's only metal it can be fixed. Man up and risk a mistake in exchange for a lesson.
'

Offline Garage Rat

  • Posts: 2759
Re: 79 CB750K RCB Clone-ish
« Reply #9 on: May 28, 2010, 13:32:15 »
Its a good thing I have my dads old 750 to ride, This is becoming a long term project VERY fast. Not a bad thing, Gretta wasn't done in a day.

Got any recommendations for big bore kits? I don't want to go messing with the crank, valves or cam.

What did you recommend for the carb's again?

Ahhh, the shocks... $$$$$



http://www.ohlins.com/Our-products/Motorcycle/Products/Sport/HO-140/


Its useless buying a new bike, most don't fit. May as well do this girl right... Even if it costs the same as a new one.
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