Honda CB750 Sandcast

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Messages - Chip

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1
Member's Bikes / Re: Sandcast #173 back alive!
« on: August 30, 2022, 07:23:41 pm »
Very interesting! Thanks for elaborating that makes a lot of sense. I could pull the valve cover and see if it has the waffle pattern this winter and report back, can the cover be pulled with engine in bike? I have no reason to remove the engine as it’s running great currently, no leaks even amazingly!  (Quickly knocks on wood)

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Member's Bikes / Re: Sandcast #173 back alive!
« on: August 30, 2022, 10:16:23 am »
Yes, nice and easy on the fly carb synching! Works great!

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Member's Bikes / Re: Sandcast #173 back alive!
« on: August 27, 2022, 09:42:47 am »
Also has this really cool vacuum gauge to vacuum synch the carbs which works real nice, put new vacuum lines on it and away we went!

4
Member's Bikes / Re: Sandcast #173 back alive!
« on: August 27, 2022, 09:41:03 am »
So it would appear it does have the horizontal vent carbs, and the numbers stamped on case halves by sprocket say 975 on both sides, what does that mean?

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Member's Bikes / Re: Sandcast #173 back alive!
« on: August 18, 2022, 04:38:35 pm »
Hi VNZ00! I’ll try to get some more info/photos this weekend! Happy to help!
-Chip

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Member's Bikes / Re: Sandcast #173 back alive!
« on: July 27, 2022, 07:10:28 am »
Notice anything different with your oil tank decal  ;)

I did! That’s pretty neat!  ;)

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Member's Bikes / Re: Sandcast #173 back alive!
« on: July 25, 2022, 07:55:04 pm »
Few more pics! I figured I’d keep this thread updated with what I do to the bike, if it should be moved to a different section of the forum by a moderator that’s totally fine!

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Member's Bikes / Re: Sandcast #173 back alive!
« on: July 25, 2022, 07:45:22 pm »
Enjoyed a little time outside in the fresh air today fixing a few things on the bike, in an effort to keep it as original as possible I patched the pipes, not my best work but much quieter and will do what I need. May at a later date buy a set of the yamiya pipes but I feel better knowing these were the original pipes on the bike even if they’re not the nicest they match the patina pretty well. I also got caught in a pop up sprinkle while wrenching away, and when I was done started the bike and turned on the fuel and got a zap from touching the petcock, I thought I was hallucinating or something, and I touched it again and got another zappppp! I believe the coil may have gotten wet when I had tank off to weld and maybe touched the tank slightly with it back on. No problem when I bought the bike it came with two NOS Honda coils so I swapped those on and no more tingly fingers when turning fuel on or off with bike running.

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Member's Bikes / Re: Sandcast #173 back alive!
« on: July 18, 2022, 07:46:10 am »
Nice survivor Chip! I always love to see these early cb750’s back on the road! When you get a chance  could you please post more pictures of your early bike. Like Kp said, you will have some of the rarest parts on your bike due to its early vin.  Also what is the number on your other Sandcast?  Congrats and welcome.

Thanks! And other bike is frame #6494 and engine #6997

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Member's Bikes / Re: Sandcast #173 back alive!
« on: July 18, 2022, 07:27:46 am »
I posted it to the registry I believe, frame #173 and engine is #501

Thanks Wayne for rotating my pictures! And happy to post more photos of anything people might be curious of!

I’ve put about 75 miles on it now, big thing to do I think is I need to repair the pipes on cylinders #3&4 as they are rotted out right before muffler in typical spot, I thought of buying some repops from yamiya but I’d have to leave them out in the rain for a few months to match the patina of this thing so I think I’ll just weld in some metal and try to make it look as original as possible until I can find a couple used/worn looking no number pipes which with the scarcity might be never lol

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Member's Bikes / Re: Sandcast #173 back alive!
« on: July 16, 2022, 06:43:24 am »
Hi KP! Don’t worry everything I’ve removed including the rusty front brake line has been saved in a box! I realize these early machines are quite different, it’s neat to put my later one, which was almost near the end of production next to this one and look for subtle differences!

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Member's Bikes / Re: Sandcast #173 back alive!
« on: July 15, 2022, 08:10:33 pm »
And the other one that doesn’t get out much!

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Member's Bikes / Re: Sandcast #173 back alive!
« on: July 15, 2022, 08:08:57 pm »
Couple more!

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Member's Bikes / Re: Sandcast #173 back alive!
« on: July 15, 2022, 08:06:57 pm »
Here’s a few photos of the carbs before and after!  Tank cleaned up well too!

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Member's Bikes / Re: Sandcast #173 back alive!
« on: July 15, 2022, 07:34:44 pm »
Sorry the pics are sideways not sure how to fix that...

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