1980 CB650z RC03 Café Racer (ish) project

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JorgenL
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Location: Helsingborg, Sweden

Re: 1980 CB650z RC03 Café Racer (ish) project

Postby JorgenL » Fri Aug 16, 2013 1:52 am

pabs11 wrote:reading earlier into this thread, I realized i was going to have a hard time tuning my carbs with the stock jets and air pods.

I actually got my new jets on my carbs and now i am just assembling the carbs together and it should be ready to go. I hope things go smooth.

PS

The slow jets were a lot easier to take off and put than i thought. Thanks again for all your help guys


It takes a little fiddling in the begining because all bikes are different. It's nothing difficult, just takes a bit of patience, logic and testdriving.

Checking float/fuel height wih a clear tube attached to the bottom nipple and inspection of the plugs regularly is a very good starting point.

pabs11
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Re: 1980 CB650z RC03 Café Racer (ish) project

Postby pabs11 » Wed Aug 21, 2013 1:24 am

Thanks, I feel more confident now. I would hate to have to take apart my carbs apart again since it took me forever to clean and put them back together although I think I could do it a lot faster now since I made my mistakes the first time.

I just had a few quick question if you dont mind helping me out.

- Does the arrow on the rubber intake boot have to be pointing towards the engine? ( so if the front of the bike was north, that means the arrow would pointing north)

I have them on right now and pointing towards the engine(north), but I am having a difficult time pushing the carbon into rubber intake.

This piece http://www.dimecitycycles.com/vintage-c ... 0-000.html

Thanks

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JorgenL
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Re: 1980 CB650z RC03 Café Racer (ish) project

Postby JorgenL » Wed Aug 21, 2013 12:04 pm

pabs11 wrote:Thanks, I feel more confident now. I would hate to have to take apart my carbs apart again since it took me forever to clean and put them back together although I think I could do it a lot faster now since I made my mistakes the first time.

I just had a few quick question if you dont mind helping me out.

- Does the arrow on the rubber intake boot have to be pointing towards the engine? ( so if the front of the bike was north, that means the arrow would pointing north)

I have them on right now and pointing towards the engine(north), but I am having a difficult time pushing the carbon into rubber intake.

This piece http://www.dimecitycycles.com/vintage-c ... 0-000.html

Thanks


The arrow shows the direction of the flow.
They should point towards the front of the bike.
Smearing on a dab of oil helps if they are tough getting on.

jagans
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Re: 1980 CB650z RC03 Café Racer (ish) project

Postby jagans » Fri Aug 23, 2013 8:03 pm

How come everybodys building Cafe Racers when there are no more Cafe's to be found? LOLOLOL :lol:

jagans
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Re: 1980 CB650z RC03 Café Racer (ish) project

Postby jagans » Fri Aug 23, 2013 8:05 pm

Maybe they should call the McDonalds Racers or Chick-Fil-A Racers? LOLOL :lol:

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M_Hills
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Re: 1980 CB650z RC03 Café Racer (ish) project

Postby M_Hills » Sat Aug 24, 2013 2:14 pm

You could always call them "pub racers".....
Well, maybe not........ as fitting as that may sound, it's just the plain truth that it would be a horrible idea!
I suppose that most of my bad ideas have sounded good in theory :-)

( To clarify, I am not saying too drink and ride! I actually do not stand in approval, even if it does sound appealing. it is not worth it!)
A project bike is very revealing..... like for example..... I've come to realize that every time I project how long something will take, I need to just double it...... I'll then be about 1/2 way there!

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JorgenL
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Re: 1980 CB650z RC03 Café Racer (ish) project

Postby JorgenL » Mon Apr 28, 2014 8:24 am

This weekend I pulled out the Machine from storage and had some time to tinker with a few things I wasn't happy with.

- I relocated my coils, the were mounted very badly and way to low by the previous owner. New stainless brackets were fabricated.

- My shifter looked quite dull so I gave it a drill bit treatment.

- Mounted new shocks.

Image Image Image
Last edited by JorgenL on Fri Jun 23, 2017 8:00 am, edited 2 times in total.

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JorgenL
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Re: 1980 CB650z RC03 Café Racer (ish) project

Postby JorgenL » Sat May 10, 2014 11:54 am

I got bored of the tank lock but I feel it's a CB650 part that I don't want to scrap, and since I'm using the stock tank it's a keeper.
Did my best to make it less bulky.

I promised a picture of my choke and here it is.

Image Image
Last edited by JorgenL on Fri Jun 23, 2017 8:01 am, edited 3 times in total.

twoWheelVeggie
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Re: 1980 CB650z RC03 Café Racer (ish) project

Postby twoWheelVeggie » Tue May 20, 2014 11:48 am

I like the choke relocation. Did you shorten the cable yourself or did you buy it somewhere?

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JorgenL
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Re: 1980 CB650z RC03 Café Racer (ish) project

Postby JorgenL » Tue May 20, 2014 12:01 pm

twoWheelVeggie wrote:I like the choke relocation. Did you shorten the cable yourself or did you buy it somewhere?


It's the stock cable that I shortened and resoldered. If you heat the end of the sleeve the endcap slides off and can be used again with a little glue.

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JorgenL
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Re: 1980 CB650z RC03 Café Racer (ish) project

Postby JorgenL » Sat May 24, 2014 2:31 pm

After taking a ride I noticed that my muffler hanger, an iron contraption that looks like a blacksmith hammered it out of a solid piece of steel was loose.

I cut out a piece of 5mm alu and drilled a few holes. A new custom piece that will never rust AND it weighs 1/4 of the stock one.

Image
Last edited by JorgenL on Fri Jun 23, 2017 8:03 am, edited 3 times in total.

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Folsoml
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Re: 1980 CB650z RC03 Café Racer (ish) project

Postby Folsoml » Sat May 24, 2014 4:40 pm

I need to make something like this for my CB750C.
Have a problem with your CB650? Have a technical question? Click here!

Want to know how to post pictures? Click here!

My Current Bikes: 2005 HD FLHTCUI Electra Glide Ultra Classic, 2007 Yamaha Vino,

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JorgenL
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Re: 1980 CB650z RC03 Café Racer (ish) project

Postby JorgenL » Fri May 30, 2014 6:47 am

Yesterday I had some spare time and a flat surface needing attention.
The big hole at the starter will get a brass mesh and the lettering will be filled with brass paint.

Image
Last edited by JorgenL on Fri Jun 23, 2017 8:02 am, edited 2 times in total.

626
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Re: 1980 CB650z RC03 Café Racer (ish) project

Postby 626 » Fri May 30, 2014 11:47 am

Very nice! That's going to look great.

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JorgenL
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Re: 1980 CB650z RC03 Café Racer (ish) project

Postby JorgenL » Sat May 31, 2014 2:27 pm

Here's a very short startup and rev clip.
The bike is going in for a full respray, that's why the tank and hump are different colors.
The mirror is temporary, new bar end mirrors are in the mail.

http://youtu.be/ALe-cTN8RLc


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