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Author Topic: 1977 CB550 K cafe racer build  (Read 234850 times)

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Offline MCRider

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Re: 1977 CB550 K cafe racer build
« Reply #650 on: May 04, 2010, 11:09:31 PM »
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Ron
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Re: 1977 CB550 K cafe racer build
« Reply #651 on: May 05, 2010, 08:27:03 AM »
Thank You.  I appreciate the support. :)

~Joe

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Re: 1977 CB550 K cafe racer build
« Reply #652 on: May 05, 2010, 04:46:39 PM »
My clear K&N in line fuel filter arrived.  



~Joe
« Last Edit: May 05, 2010, 04:48:29 PM by traveler »
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Offline Zaipai

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Re: 1977 CB550 K cafe racer build
« Reply #653 on: May 05, 2010, 04:49:19 PM »
Quote from: traveler on May 05, 2010, 04:46:39 PM
My clear K&N in line fuel filter arrived.  



~Joe

I am looking for a good filter, let me know how it does..

.: Scott :.
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Re: 1977 CB550 K cafe racer build
« Reply #654 on: May 05, 2010, 08:29:00 PM »
Will do!  Looking forward to getting her out on the road soon.

~Joe
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Offline Old75_ratafe

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Re: 1977 CB550 K cafe racer build
« Reply #655 on: May 06, 2010, 12:49:21 AM »
Quote from: boulder74 on May 04, 2010, 10:28:06 PM
Quote from: traveler on May 04, 2010, 05:26:37 AM
Against a restored sandcast and a gorgeous gold 750, no chance, but appreciate the thought.

Not what I was really looking for anyway.....I just wanted a neat old CB with a cafe conversion.

~Joe


Got my vote
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traveler

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Re: 1977 CB550 K cafe racer build
« Reply #656 on: May 06, 2010, 09:13:11 AM »
Thanks guys, I appreciate the support!

The only thing really left now is carb adjustment, if needed, and clutch adjsutment, if any.

I wonder how strong she'll feel with the front sprocket being 2 teeth smaller....

~Joe
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Offline johnsy

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Re: 1977 CB550 K cafe racer build
« Reply #657 on: May 06, 2010, 09:24:52 AM »
Just found a minute to catch up with your thread..... EFF-N nice bike!
dont know what else i can say about it.
Cheers,
B
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Offline theofam

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Re: 1977 CB550 K cafe racer build
« Reply #658 on: May 06, 2010, 10:31:15 AM »
Joe, I just got back in town and checked out your updates.  The scoot looks super nice with the Lesters, and the tank/cowl combo still makes me grin.  You've got my BOTM vote!  Echoing cornandp's and zapai's comments, let's see some video!
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Offline Zaipai

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Re: 1977 CB550 K cafe racer build
« Reply #659 on: May 06, 2010, 10:33:00 AM »
Joe, let me know what you think about the smaller tooth sprocket up front also along with the filter. Swapping out that sprocket is an easy little project I can do any time, as long as its worth it..

.: Scott :.
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Offline MCRider

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Re: 1977 CB550 K cafe racer build
« Reply #660 on: May 06, 2010, 11:12:30 AM »
Joe and Scott: a 16/48 combo will have you maxed out in 5th at a 1/4 mile, tho some use the 15/48 combo. Wheelies.  Way too many revs for a streetbike, but fun.

A 17/48 will spin the tire as far as you want to go on the street (with the extra HP we're talking about), not so easy to wheelie, and still allow low-buz touring and 135 +/- mph top end.  IMO
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"Sometimes the light's all shining on me, other times I can barely see, lately it appears to me, what a long, strange trip its been."

traveler

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Re: 1977 CB550 K cafe racer build
« Reply #661 on: May 06, 2010, 01:30:42 PM »
Rememberr, 550's are geared differently.

Stock, my bike was geared 17/37.  Now it is 15/37.

~Joe
« Last Edit: May 06, 2010, 04:39:25 PM by traveler »
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Offline MCRider

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Re: 1977 CB550 K cafe racer build
« Reply #662 on: May 06, 2010, 02:11:28 PM »
Oops sorry about that.

2 off the front will still make a big difference but you'll have to tell us.

Unless you like winding it out, over and over, might be too much, but hey, that's what toys are all about, playing around.
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Ron
1988 NT650 HawkGT;  1978 CB400 Hawk;  1975 CB750F -Free Bird; 1968 CB77 Super Hawk -Ticker;  Phaedrus 1972 CB750K2- Build Thread
"Sometimes the light's all shining on me, other times I can barely see, lately it appears to me, what a long, strange trip its been."

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Re: 1977 CB550 K cafe racer build
« Reply #663 on: May 06, 2010, 06:58:01 PM »
hey...just glad I got a devout 750 guy here!! ;)

~Joe
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traveler

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Re: 1977 CB550 K cafe racer build
« Reply #664 on: May 08, 2010, 04:59:52 PM »
Got the bikes first ride in today!

It is so lean, you have to use the choke....adjusting it as she gets warm to keep her running, so main jets are needed, but WOW.

ALOT of power!  The weight reduction I did, plus the 2 teeth smaller front sprocket has made her accelerate pretty hard!  In fact, in 1st gear going about 10 MPH...if you smack the throttle it'll lift the front wheel off the ground a bit!

Also on a quick shift from 1st to 2nd once, it broke the rear tire loose!

So....I am happy!  Just need to chase down a source for main jets for PD"46" carbs!

I highly recommend the 15T front sprocket for 550 guys who want 750 punch down low. ;D (of course, my bike is alot lighter than a stock 550)

Bike handled VERY well....rear shocks are STIFF.....Pretty cool little CB! ;)

~Joe
« Last Edit: May 08, 2010, 05:02:02 PM by traveler »
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Offline Zaipai

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Re: 1977 CB550 K cafe racer build
« Reply #665 on: May 08, 2010, 05:33:30 PM »
Fantastic Joe,
 I am glad she is working for you. If she is running that lean once you have the carbs richened up, it will pull even harder.. I will put the smaller front sprocket on my wish list. Right now my petcock developed a very tiny leak but its only going to get worse so I have to deal with that. I am glad the weather held out for ya..

Now your next mission is to find a video camera for an on board experience for the rest of us!!  ;D

.: Scott :.
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Offline Flying J

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Re: 1977 CB550 K cafe racer build
« Reply #666 on: May 08, 2010, 10:36:09 PM »
Quote from: traveler on May 08, 2010, 04:59:52 PM

So....I am happy!  Just need to chase down a source for main jets for PD"46" carbs!



Z1 has them and the price is not bad either.
http://www.z1enterprises.com/detail.aspx?ID=1923
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Offline tweakin

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Re: 1977 CB550 K cafe racer build
« Reply #667 on: May 09, 2010, 06:18:41 AM »
Nice Joe!  It is a great feeling of satisfaction when a build comes to the end.

Now just enjoy that beautiful 550 of yours.
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Offline fasturd

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Re: 1977 CB550 K cafe racer build
« Reply #668 on: May 09, 2010, 06:33:05 AM »
Hey Joe,

What size did the lesters end up being. And did it end up being a 750 set or was it specific to the 550?

Looking good! Good luck on BOTM.
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Re: 1977 CB550 K cafe racer build
« Reply #669 on: May 09, 2010, 07:53:07 AM »
wow....thanks guys for the kind words.

The Lesters were for a CB750.  Had to use the cush drive setup for a 750, but the brake plate is the 550 one.  Did a little part number cross referencing on the Western Hills Honda site, and it showed the 550 brake plate as being a suitable substitute.  Width and axle diameter are the same.  The spacer on the cush drive side is 750 specific, but the spacer on the brake side worked fine.  On the front wheel, as the pictures above show, we had to notch the wheel for the speedo drive pickup, and the "beautification plate" didn't work.  Other than that, it was a bolt on.

Oh....had to custom order a rear sprocket from Sprocket Specialties, as the gearing for a 550 is completely different.

That said, 90 main jets and un-oiled pods means a VERY lean condition! ;D

~Joe
« Last Edit: May 09, 2010, 07:58:18 AM by traveler »
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Offline Zaipai

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Re: 1977 CB550 K cafe racer build
« Reply #670 on: May 09, 2010, 09:34:01 AM »
So I don't know what jets I have in mine, I just cleaned up what was in there because it seem to work ok Hondaman said I did not need  to rejet the carbs on the 550 with pods.. Perhaps that is some thing I need to visit. It seems to be running ok maybe even rich as I can not run it long with the choke on. I will have to look into it. I also wrote down what I need for the front and rear sprocket...  Thanks for all that Joe very helpful.. So...... Is he HD going to sit for a while when all is buttoned up?  ;D

Man after seeing how nice yours turned out I don't even want to post pictures of mine I would be embarrassed... Very nice I just look in aw of its shininess.

.: Scott :.
« Last Edit: May 09, 2010, 09:37:00 AM by Zaipai »
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Re: 1977 CB550 K cafe racer build
« Reply #671 on: May 09, 2010, 02:45:08 PM »
I oiled up the pods, and fired her up.....no change.

I'm going to go ahead and start with 115 mains and make any changes from there.  Once I get it close, I will go either 1 heat range cold or hot to bring it right on.  I'd rather have it just a tad lean with cold plugs, as lean makes power.

~Joe
« Last Edit: May 09, 2010, 02:52:50 PM by traveler »
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Offline Zaipai

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Re: 1977 CB550 K cafe racer build
« Reply #672 on: May 09, 2010, 04:07:35 PM »
Quote from: traveler on May 09, 2010, 02:45:08 PM
I oiled up the pods, and fired her up.....no change.

I'm going to go ahead and start with 115 mains and make any changes from there.  Once I get it close, I will go either 1 heat range cold or hot to bring it right on.  I'd rather have it just a tad lean with cold plugs, as lean makes power.

~Joe

I agree, what plugs are in her now?

.: Scott :.
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Re: 1977 CB550 K cafe racer build
« Reply #673 on: May 13, 2010, 08:19:22 PM »
Not sure....whatever the "normal" NGK's are.

Anyway, it looks like Z1 enterprises is the place to go for some jets.  Since I am taking off for 2 weeks on vacation, I'll have to try some 115 mains out when I get back and see it that'll do the trick!

Already.....I have the feeling of satisfaction that comes from having finished another bike.  All this stuff I'm doing now is fine tuning.

~Joe
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Re: 1977 CB550 K cafe racer build
« Reply #674 on: May 13, 2010, 08:22:18 PM »
Quote from: ffjmoore on May 08, 2010, 10:36:09 PM
Quote from: traveler on May 08, 2010, 04:59:52 PM

So....I am happy!  Just need to chase down a source for main jets for PD"46" carbs!



Z1 has them and the price is not bad either.
http://www.z1enterprises.com/detail.aspx?ID=1923

Yep....appreciate the heads up!

~Joe
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