Honda CB750 Sandcast

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Topics - imabass

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General Discussion / I was 5 minutes too late to score VIN # 959 :(
« on: June 04, 2011, 09:37:27 pm »
It showed up and within 15 minutes i called the guy.  Someone (Bob) from Oklahoma City bought it.  He was only asking $975  :o

Funny thing was i dreamed that I would find a early 69 for dirt cheap 3 nights ago.  Guess I should dream of winning the lotto and start to play the mega millions.  :)

I didn't get the engine # but he counted the clutch cover bolt and it only had 9.  He said it was his father-in-law's bike who was the original owner.  It has been sitting in his garage since 1975.  It didn't have original pipes or bars but other than that it looked pretty damn good.  I was talking to the seller and he said he was more than happy getting $1,000 because he was only expecting $300-$400.

Some guys get all the luck.  Hopefully Bob doesn't know what he has and wants to sell it to me or he will visit here and find out what it is before he destroys a part of motorcycle greatness.

So long story short the VIN # 959 has been accounted for.

here was the ad.


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I recently had these on craigslist with the matching head.  I ended up seperating the auction and sold the head to KP.

These came with a chopper project.  When I originally built the chopper I was not aware that the top end was a sandcast.  The case was a replacement case.  This includes a chain tensioner and the rubber chain track thing.  I am not 100% certain that the tensioner is sandcast or not.  

About this part!!!  
The lower left thread that holds on the tensioner was retapped to 7mmx1 from the standard 6mm thread.  The hole for the tensioner was also slightly drilled out to accomadate the 7mm bolt.  
The bolt that holds the tensioner pin was also replaced with a 1/4x20 or 28 (cant recall).  Point is that it is not a standard 6mm bolt either.
The pistions are not the best condition and have some pitting.  I was originally running this set until i stripped out the sparkplug hole on the matching set (this was previously sold to KP).  The rings have 3000 miles on them.  I originally honed the holes and put it to gether and it ran good.  I decided to remove these jugs when i swapped the head for a diecast.

My email is wbass77@gmail.com.














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Member's Bikes / Bike is back together - Video added
« on: March 05, 2010, 04:41:49 pm »
I got the bike back together. I just gotta get my tank painted. Its not exactly a stock bike but its close. Only think KO is the head and jugs (and possibly the guts). Only thing from the 750 was the engine.

imabass, please add your images to this post. Thank You....Wayne

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New Member Introductions / naguethey
« on: March 05, 2010, 04:34:22 pm »
Welcome to the site. I see that you found it. Please tell everyone what you got. These guys can help you ID it.

I found him on a chopper site trying to find out what he has. I referred him here as you guys know better than anyone.

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General Discussion / non 750 sandcast?
« on: March 03, 2010, 10:41:35 am »
My question is are the other non 750 bikes like the 450 aslo sandcast? Are they as rare as the 750 stuff? I stumbled upon a 69 cb450 for cheap but I know nothing about these.

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VIN's / Engine Case #
« on: March 01, 2010, 09:50:57 pm »
Where can i find a listing of engine case #'s? Im trying to find out about case # CB750E-1038056. Any help?

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General Discussion / Need Help Identifying possible Sandy parts
« on: February 28, 2010, 09:11:58 pm »
Hello. I am new to the site. I have a couple 750 choppers. Yes, I understand that this maybe frowned upon of having sandy parts in a chopper but if i do its just dumb luck I suppose. I acquired a aftermarket frame and boxes of parts from my brother last year. It was a project that he started several years ago and never did anything with it. So i got the parts from him. I have been a member of some of the other 750 sites and no one could ever tell me much about the engine that I had other than it did not have a 836 kit in it. So I assembled it and ran it for about a year and I removed it when i took the bike apart for paint. When i had the engine out, I thought I would take the top end off for inspection. It was just this weekend when i realized that it had several differences then my stock 75. So I tore them both apart at the same time for comparison.

So typically the engines are easy to ID but I have one of those factory replacement cases with no #'s. I realize that the case is not a sandy but its the heads and jugs that I think are possibly from the sandcast days.

Here are some thumbs of the pics that I have noticed there are differences. I hope posting linked pics is OK here but i didn't see any forum rules (other than no copyrighted material)

Also, I noted several differences in the 2 sets of jugs that I had. See notes on the pic.




Here are some more pics of the comparison of the heads.


OK. I just got done cleaning up the heads and jugs. In the process i found a few more things out about





them. Here are some more pics of differences.





Thank you for your expertise. Oh yeah. In case you were wondering here is the bike its going back in.




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