Author Topic: hello, newbie in over my head.  (Read 952 times)

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Offline oldk6guy

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hello, newbie in over my head.
« on: June 06, 2011, 01:38:19 PM »
hello all,  i recently purchased i bike that i never heard run and its now half torn apart in my garage.  i found a badly scored cylinder and corresponding broken piston ring that i would like to assume was the problem.  but, im more than likely going to take the bottom end in to a shop to have them check crank and rod bearings. the bike is a cb750k5.  its my first.
76 cb750 k6: 4 into 4 exhaust, open air horns on carbs.

Offline HondaMan

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Re: hello, newbie in over my head.
« Reply #1 on: June 06, 2011, 01:52:35 PM »
A word of caution: most modern bike shops have NO CLUE about these bikes. Make sure they are well-versed in the art of CB750 SOHC4 engines before letting them look at it. We have a LOT of horror stories here of huge funds spent, bad results...

On the other hand, if you are savvy enough to have got it this far, we all can probably help you through the whole rebuild yourself, saving you a fortune in the end and giving you a ride you can trust again.  ;)
See SOHC4shop@gmail.com for info about the gadgets I make for these bikes.

The demons are repulsed when a man does good. Use that.
Blood is thicker than water, but motor oil is thicker yet...so, don't mess with my SOHC4, or I might have to hurt you.
Hondaman's creed: "Bikers are family. Treat them accordingly."

Link to Hondaman Ignition: http://forums.sohc4.net/index.php?topic=67543.0

Link to My CB750 Book: https://www.lulu.com/search?adult_audience_rating=00&page=1&pageSize=10&q=my+cb750+book

Link to website: www.SOHC4shop.com

Offline oldk6guy

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Re: hello, newbie in over my head.
« Reply #2 on: June 06, 2011, 06:46:04 PM »
thanx , this is how far I am right now. i am an ase certified auto mechanic, so i can turn a wrench, however this is my first time turning one on a bike.
76 cb750 k6: 4 into 4 exhaust, open air horns on carbs.

Offline bender01

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Re: hello, newbie in over my head.
« Reply #3 on: June 06, 2011, 08:21:05 PM »
Your all set if your a trained pro! Welcome.
75 550 K1
74 750 K4
1968 450 K1 Super Sport
74 750k 836 project
http://www.bikepics.com/members/bender01/
So, the strategy is to lie to people you are asking for help?

I think I'll be busy going for a ride.

Good luck!
Two Tired Quote !

Offline oldk6guy

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Re: hello, newbie in over my head.
« Reply #4 on: June 06, 2011, 08:37:12 PM »
On cars.  i have no idea what the terminology is for bikes....stator, rectifier, etc...., i also have no idea how a motorcycle clutch works, so i dont want to touch it.  i'm also dealing with a broken arm right now so im just trying to learn as much as possible. :'(
76 cb750 k6: 4 into 4 exhaust, open air horns on carbs.

Offline HondaMan

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Re: hello, newbie in over my head.
« Reply #5 on: June 06, 2011, 10:15:00 PM »
I hate to sound like the salesman, but...if you're already an auto wrench, perhaps my book will take you through all you need to know? There's a link to it in my signature, below. It's all about how to rebuild these bikes, with hundreds of full-color pictures and 40 years of experience with them.  ;)
See SOHC4shop@gmail.com for info about the gadgets I make for these bikes.

The demons are repulsed when a man does good. Use that.
Blood is thicker than water, but motor oil is thicker yet...so, don't mess with my SOHC4, or I might have to hurt you.
Hondaman's creed: "Bikers are family. Treat them accordingly."

Link to Hondaman Ignition: http://forums.sohc4.net/index.php?topic=67543.0

Link to My CB750 Book: https://www.lulu.com/search?adult_audience_rating=00&page=1&pageSize=10&q=my+cb750+book

Link to website: www.SOHC4shop.com

Offline oldk6guy

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Re: hello, newbie in over my head.
« Reply #6 on: June 07, 2011, 09:58:59 AM »
perhaps it would but i was already on a tight budget before i broke my arm, being out of work that tight budget has tightened up even more.  i would love a comprehensive guide to follow(the repair manuals aren't really very helpful) but your book cost almost as much as my new pistons ;) even though i cant afford your book at the moment i would still love your help on occasion.  i am skilled in the art of "search" so it shouldnt be too often that i have a question.
76 cb750 k6: 4 into 4 exhaust, open air horns on carbs.

Offline burmashave

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Re: hello, newbie in over my head.
« Reply #7 on: June 07, 2011, 12:09:49 PM »
You'll have no problem with the clutch. I've done a couple, and I'm no where near your skill level. SOHC4 clutches are a breeze and nothing at all like the pain that automobile clutches are. You'll want a guide, though, if for nothing else than to know the torque spec for the bolts on the press(?) plate. That way, you won't break one the way I did.
Quote from: SOHC Digger, RIP
'Ere's whatcha do, Guvna', just throw a couple dookie logs in the hearth and bob's your uncle!
'77 CB750k

Offline oldk6guy

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Re: hello, newbie in over my head.
« Reply #8 on: June 07, 2011, 01:52:35 PM »
i will, thanx.  I LOVE your engine!  i plan on doing mine very, very similar.
76 cb750 k6: 4 into 4 exhaust, open air horns on carbs.

Offline HondaMan

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Re: hello, newbie in over my head.
« Reply #9 on: June 07, 2011, 09:31:04 PM »
perhaps it would but i was already on a tight budget before i broke my arm, being out of work that tight budget has tightened up even more.  i would love a comprehensive guide to follow(the repair manuals aren't really very helpful) but your book cost almost as much as my new pistons ;) even though i cant afford your book at the moment i would still love your help on occasion.  i am skilled in the art of "search" so it shouldnt be too often that i have a question.

Well, fire away! We always show up here sooner or later.
Sorry about your arm! The unemployment bit, too: I went for 14 months without work, still very broke from it all. The only good thing that came from it: I had time to finish that book. Otherwise it would still be a file floating around on my jump disks. I think I'll call that my "silver lining" in the unemployment cloud I went through. Still working 3 jobs, but at least it's work. :)
See SOHC4shop@gmail.com for info about the gadgets I make for these bikes.

The demons are repulsed when a man does good. Use that.
Blood is thicker than water, but motor oil is thicker yet...so, don't mess with my SOHC4, or I might have to hurt you.
Hondaman's creed: "Bikers are family. Treat them accordingly."

Link to Hondaman Ignition: http://forums.sohc4.net/index.php?topic=67543.0

Link to My CB750 Book: https://www.lulu.com/search?adult_audience_rating=00&page=1&pageSize=10&q=my+cb750+book

Link to website: www.SOHC4shop.com

Offline Freaky1

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Re: hello, newbie in over my head.
« Reply #10 on: June 08, 2011, 05:38:39 AM »
Welcome and congratulations on finding the best place to begin learning about these bikes. An infinite wealth of wisdom awaits you here, I was clueless about these bikes when I first showed up here. Don't get me wrong, I'm still pretty clueless compared to most people here but I have yet to have a question go unanswered. Good luck and there is no better therapy then working on one of these bikes.   
That which does not kill you leaves cool scabs which turn into awesome scars.

'77 CB750F Come on...were almost there!