Honda CB750 Sandcast

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Messages - markb

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16
General Discussion / Re: Sandcast Price Trends
« on: June 19, 2019, 01:31:36 pm »
I do have it somewhere but I haven't updated it for years. I'll try to track it down anyway.

17
General Discussion / Re: Sandcast Price Trends
« on: June 19, 2019, 12:19:24 pm »
I thought there was a more recent thread about this but couldn't find it. Is it just me or is there less "fever" at the 50th anniversary than there was 10 years ago. I remember bike and parts prices spiking about that time. I'm not seeing that now. As us old guys get tired of collecting or worse, gone, who's going to buy them. I could see the price going down as the supply goes up and the demand goes down. Every now and then I think about whether or not I should sell #97. And selling #97 is not something I'd want to leave up to my wife. Are prices going up, down or staying the same? Any thoughts?

18
Restoration of Sandcast #97 / Re: Restoration of Sandcast #97
« on: June 18, 2019, 02:07:49 pm »
Thanks guys. I'm not quite done yet. Despite the favorable judging, there are some details I would still like to take care of. I invite any comments on details that may not be correct.

19
Restoration of Sandcast #97 / Re: Restoration of Sandcast #97
« on: June 16, 2019, 02:22:27 pm »
I decided to take #97 to a show (one of the reasons I wanted to make sure it runs).
It was a pretty big local show. There was close to 200 bikes there. After I saw the picture on the flyer I knew I had to bring mine. Both the local chapter of the AMCA and the local chapter of the VJMC were there.


Here’s a pic of it on display. It was nice that they put it on a stand right near the entrance. It definitely got a lot of attention. I was hoping it would do well.

It did better than I could have hoped for. The local VJMC has cool trophies, large, nicely polished and chromed metric wrenches. I got one for Best In Show.  :)


The AMCA was also judging and I got the Junior First Award (first time entered) with 100 points!  :o  :D They did comment about the chrome finish on the taillight bracket but didn’t deduct any points. Maybe it helped that in was the 50th anniversary for the bike (to the month) and the only sandcast there.


The icing on the cake though was the editor of the AMCA magazine was there and took pictures of #97.  ;D He said they will be in the September/October edition. So like I said I couldn’t have asked for more. I feel very lucky and grateful for all the help I’ve gotten from the SOOC and SOHC4 sites. Thank you guys for all your help and support.

So I got the bike home and drained the gas tank, petcock bowl and carburetor bowls. I blew air down the fuel lines (lightly) with the drain screws loose and cranked the engine over for about 10 seconds (it ran for about 2 seconds) to try to suck any last gas out of the carbs. I don’t even know if that does anything, it just seemed like a good idea. Short of actually removing carbs and cleaning them is there anything else I should do? Should I actual pull them or not? It might be a while before the bike runs again. Although after the success this weekend I am toying with the idea of going to Barber.  ;)

20
Restoration of Sandcast #97 / Re: Restoration of Sandcast #97
« on: June 02, 2019, 04:28:19 pm »
I got it to work for a while but now it says it's inappropriate.  :o ???

21
Restoration of Sandcast #97 / Re: Restoration of Sandcast #97
« on: June 01, 2019, 01:34:00 pm »
Well I got it kinda. If you click on the hypertext you can view the video but something doesn't seem right.


<iframe width="560" height="315" src="https://www.youtube.com/embed/r695DBvzPTk" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
[/html}

This might be a clue. When I went to modify the post the [ html ] was missing. I put it back in again and checked again and it was missing again.  ???

22
Restoration of Sandcast #97 / Re: Restoration of Sandcast #97
« on: June 01, 2019, 08:57:02 am »
IT RUNS!!  ;D I took #97 out for a short test ride last night. It’s tuned up, carbs synced and sounds great. I only went about a mile. Ran it up to 60 and through all 5 gears. Everything works. I have about a 15 second video (28MB) of it running that I would like to post but not sure how to do that. Can anyone point me in the right direction?


23
"88 Model Distinctions" / Re: Rear Brake Plate
« on: May 23, 2019, 01:23:03 pm »
Here’s the one that came off #97.


24
Restoration of Sandcast #97 / Re: Restoration of Sandcast #97
« on: May 20, 2019, 09:11:08 am »
I’ve finally finished restoring the brake rotor. I think it turned out pretty good. The masking was a challenge because of the spokes and the rivets on the inside.

I tried different tapes and trimming with an exacto knife but couldn’t get decent results. I finally made a tool that has a hole the same size as the diameter of the rivet with a flat land around it.

Then I drilled the same size hole on the other end and machined an angle to make it sharp.


After trying masking tape, vinyl tape and some others I found that the tape that worked the best was duct tape. The flat end of the tool formed the tape around the rivet head.


Then the sharp end trimmed the tape perfectly.


Here’s a pic of the finished product on the outside…


…and the inside. Now #97 finally has a correct rotor!


25
Markb, I'll bet #97 is way beyond 487 hours! I've seen your bike in person and it is on par with the very best restorations I have ever seen. World-class. Seriously!
I've had #97 for nine years, two winters is L.A. So seven (long Minnesota) winters that I've worked on it, don't do much in the summer. So six months times 7 years, 42 months. Average maybe 20 hours a month (5 hour per week) adds up to over 800 hours for a wild-ass guess. Whew! I have to say I have enjoyed it. Thanks for huge compliment.

26
Sam, I watched your video again and I gotta tell you again how amazing it is. At first glance 487 hours seemed like a lot but having been there myself and not being nearly as efficient as you are I probably have two or three times that in #97. :o That's why I deliberately don't keep track of my hours. I don't think I want to know.  ::) What an inspiration for all of us to see how things are done right. I can't wait to see what you do for the website and future projects.

27
Restoration of Sandcast #538 / Re: Sandcast #538 Restoration Timelapse
« on: April 29, 2019, 09:58:38 am »
Wow, that is incredible. I assume that was you doing all the work. Upholstery, wheel lacing, painting, carbs. :o You are one talented guy!  ;)

28
General Discussion / Re: IMPORTANT - ALL MEMBERS PLEASE READ!!
« on: March 22, 2019, 08:30:12 am »
Thanks for taking this on Sam. It's nice to know we're not going away anytime soon.  :)

29
General Discussion / Re: IMPORTANT - ALL MEMBERS PLEASE READ!!
« on: March 21, 2019, 07:34:39 am »
It would be great if the key could be passed to Ujeni who also did great contributions to this forum as well.
That almost sounds like a nomination. If it is I would second it.  :)
And thanks Wayne for everything you've done.

30
"88 Model Distinctions" / Re: Cush Drive Rubbers
« on: March 19, 2019, 10:30:44 am »
Is this the service bulletin you're looking for?

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