Author Topic: Drews new 1973 750  (Read 2217 times)

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Offline Drew

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Drews new 1973 750
« on: April 11, 2011, 11:05:15 PM »
Here it is when I brought it home at night.  It was pretty hard to get out of the back of my truck with no front brakes or any help. The scooter in the next picture is my girlfriends.  She bought that and I started thinking about how I always liked those old Hondas...  Since I have absolutely no mechanical back ground or experience it took me a while to rebuild the brakes and get the carbs cleaned up and tuned.  Snapped the chain on the first test ride (I guess I should have anticipated that) which cracked the sprocket cover.  Since then I have got it tuned up pretty good and have driven it around town a bit on the rare day without rain here in Seattle. I bought a spare bottom end for 30 bucks that I thought I could practice on tearing into it and for basic education. Last weekend I built a new work bench so that I can get organized before I strip it all down.  I guess my next step is to find something to ride while this one is in pieces.
73 CB750

Offline Drew

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Re: Drews new 1973 750
« Reply #1 on: April 11, 2011, 11:06:52 PM »
more pics
73 CB750

Offline dave500

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Re: Drews new 1973 750
« Reply #2 on: April 12, 2011, 12:56:59 AM »
practising on an old engine is a good way to hone your skills and to see what to expect.

Offline brandEn

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Re: Drews new 1973 750
« Reply #3 on: April 12, 2011, 01:53:07 AM »
Man nice bike, I really want a 73 cuz its the same year I was born. Where in Seattle are ya? There are a bunch of us on here.

You might want to make sure your chain didn't crack the case in front of the sprocket. Seems like that is a common occurence on these when the chain breaks. I hope its not!

Offline Drew

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Re: Drews new 1973 750
« Reply #4 on: April 12, 2011, 07:27:39 AM »
I'll check the case right away.  I'm in the Central District.  Your bike looks great and just in time for some better weather I hope.
73 CB750

Offline Toxic

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Re: Drews new 1973 750
« Reply #5 on: April 12, 2011, 12:51:33 PM »
Well since you have been riding it since you cracked the sprocket cover when you broke the chain, chances are you didn't crack the case.  You would probably know it with all the oil puking out of it.  Still check it anyway, it won't take long and it's good piece of mind.

If your's is fine consider yourself one lucky lad.

Offline Duanob

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Re: Drews new 1973 750
« Reply #6 on: April 12, 2011, 01:39:06 PM »
Hey Drew and wecome to the wonderful world of SOHC4. If you don't have any mechanical experience now, you will. There is plenty of parts available although I'm always shocked at how hard to find and spendy some parts can be. I got most of my parts (plenty!) off of ebay. And some from here.


Seattle area local event:
There area couple of classic bike swap meets coming this weekend.
One at the Skagit Fairgrounds on Saturday and another just across the border in Tsawassen BC on Sunday.

I'm waiting for Backfire Moto night to start up again now that my machine is running. I think it's the third wednesday of every month in Ballard but I haven't heard if it starts in May or June.

Hope to see you on the road around town.
"Just because you flush a boatload of money down the toilet, doesn't make the toilet worth more",  My Stepfather the Unknown Poet

1974 CB360T
1976 CB550K2 Resurrected
1976 CB550F2 Barn Find
1979 CX500 VG "HONDA-GUZZI"
2007 Moto Guzzi Breva 750ie
2015 BMW F700GS
Another 1976 CB550K Cafe?

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Offline tweakin

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Re: Drews new 1973 750
« Reply #7 on: April 12, 2011, 04:02:46 PM »
Nice, another western washington sohc4'er.  Good looking bike and this is a great place to get ideas and questions answered.

Welcome...

Offline Drew

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Re: Drews new 1973 750
« Reply #8 on: April 12, 2011, 04:52:17 PM »
Hey thanks for the welcomes from all the local guys.  There are some incredible builders around here.
73 CB750

Offline Drew

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Re: Drews new 1973 750
« Reply #9 on: May 01, 2011, 09:42:17 PM »
As a gift to all the Seattle members I started the tear down of my bike knowing that as soon as I did the weather would turn good!  Here are a few pictures including, current state, boxes of parts, and exhaust that won't ever be on this bike again since I got a pretty decent set of 341's on ebay.  I have been sick in bed for 5 days and wished I could have used the time off to get the bushings out of the swing arm.  Quite a pain to do that, if anyone has some handy tips send em my way.
73 CB750

Offline brandEn

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Re: Drews new 1973 750
« Reply #10 on: May 01, 2011, 09:56:01 PM »
If the swing arm bushings are stock they are just plastic. Get a hacksaw blade and slowly and carefully cut a slit in one being careful not to cut through to your swingarm and tap them out with a long screwdriver or something similiar.

Offline Drew

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Re: Drews new 1973 750
« Reply #11 on: May 02, 2011, 12:11:30 AM »
they sure aren't plastic.  I guess that means they were previously replaced.  I quartered one with a hack saw and still couldn't get it to move easily.  I had to leave the garage for the night so i didn't really give it my all.  I'm sure they will come out next attempt.
73 CB750

Offline brandEn

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« Last Edit: May 02, 2011, 12:32:55 AM by brandEn »

Offline Drew

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Re: Drews new 1973 750
« Reply #13 on: May 02, 2011, 12:58:52 PM »
Thanks BrandEn hopefully I'll have some garage time tonight.
73 CB750

Offline Drew

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Re: Drews new 1973 750
« Reply #14 on: May 10, 2011, 09:06:52 PM »
Heres a quick update.  Got the engine out and the frame stripped down all except for the bearing races.  As soon as I get them out it will be time for powder coating!
73 CB750

Offline Drew

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Re: Drews new 1973 750
« Reply #15 on: May 10, 2011, 09:08:51 PM »
another pic, didn't realize the oil stains were so bad.
73 CB750