Honda CB750 Sandcast

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Messages - markb

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1
Restoration of Sandcast #97 / Re: Restoration of Sandcast #97
« on: August 12, 2020, 03:33:24 pm »
She gone!  :o #97 is sold and I got what I needed. It sold to a local collector which I feel good about. Also I didn’t have to mess with crating, shipping, etc. Wasn’t sure how I would feel but I can say now I’m relieved. Don’t have to worry about taking care of it. Now or later. I would have expected she would be hauled away in something a bit more befitting, but it was fine.  ;D


2
Restoration of Sandcast #97 / Re: Restoration of Sandcast #97
« on: June 24, 2020, 12:53:48 pm »
Thanks for the endorsement Sam.

3
Restoration of Sandcast #97 / Re: Restoration of Sandcast #97
« on: June 24, 2020, 10:52:56 am »
After the recent eBay auction for KP’s 2-digit sandcast I’m lowering my expectations for what I would like to get for #97. I started high for probably obvious reasons but I am lowering the price to $60,000. I will consider offers. I have three people that have expressed interest but no offers yet. If anyone is interested feel free to contact me.

4
General Discussion / Re: Sandcast assembly line
« on: April 08, 2020, 01:26:28 pm »
Technically I only have two on the bench.  And you are further along. And it's not a contest. But I don't mind winning.  ;D

5
General Discussion / Sandcast assembly line
« on: April 05, 2020, 05:19:18 pm »
Not exactly like the production line in Japan but I’m assembling three sandcast engines at the same time. With everything that’s going on with COVID-19 I have more free time than usual so what better than to do bike work. Overall it will take less time than doing them one at a time and it’s kind of fun especially when you get this far.

6
Restoration of Sandcast #97 / Re: Restoration of Sandcast #97
« on: February 10, 2020, 08:22:51 pm »
I have finally decided on a price. After seeing the results at the Mecum auction and talking to several knowledgeable people I have decided on $69,000. I know some people may think I'm crazy but that's what I'm asking. If you're interested please contact me.

7
I did a search on the Mecum site and couldn't find T249. F294 is VIN 9185 so not a sandcast but an early diecast. T272 with a 3-digit VIN would at least be a sandcast frame. Since it is a Vic World restoration and for the price it got it has to be a sandcast.

8
Restoration of Sandcast #97 / Re: Restoration of Sandcast #97
« on: January 20, 2020, 08:08:35 pm »
Thanks for the for the kind words guys.

You're probably right Sam.  :( But I have three other projects to keep me busy. At least one of them is 3-digit.  ;)

9
Restoration of Sandcast #97 / Re: Restoration of Sandcast #97
« on: January 20, 2020, 02:22:59 pm »
I’m am going to sell #97. I’ve had it almost 10 years and have had a ton of fun with it but priorities are changing and it's time. Besides I have at least three other projects I’m working on.

Most of you guys know about the bike, but to the best of my ability I have put together a summary here. I’ve probably missed something but everything thing else is in this thread. For all that I have put into it I would like to see it go to a good home so I’m reluctant to put it on eBay, although maybe that would be just fine. But if anyone here is interested I would like to give you a shot.

I’m trying to come up with a price and I’ll be checking out the Mecum Auction in Las Vegas (maybe this isn’t the best timing). I will say I don’t want to give it away. It’s pretty special and very correct. There are maybe 15 2-digit sandcasts in the world (probably less than half that number in the U.S.) and only a few as nice as #97. If I get the right offer it’s gone. If anyone is interested reply here or PM me.

History
•   Had been parked in 1979 in Texas
•   Attempted startup in 1986 but supposedly couldn’t get carbs right
•   Parked again until bought in spring of 2010 in Oklahoma
•   On loan for display at the Petersen Automotive museum from December, 2015 to March, 2017
•   On display at the Minneapolis Motorcycle Show February 1-3, 2019
•   June 14-15, 2019 motorcycle show at the Minnesota State Fairgrounds VJMC Best in Show, AMCA Junior First Award with 100 points
•   Featured in the AMCA magazine August/September 2019 and AMCA 2019 calendar for August

General
•   VIN CB750-1000097
•   Titled in Minnesota
•   Original red color paint done by Blake Conway (Vic World’s painter)
•   Everything works and it runs - 2.4 miles on odometer

Engine
•   Original crankcases engine number CB750E-1000100
•   No casting date on upper case
•   Original crankshaft with 10mm rotor bolt (up to engine 1080)
•   Original R1 camshaft
•   Original sandcast cam holders
•   M8 x 80 mm long rear crankcase bolt (up to engine 140)
•   Correct original 9-hole clutch cover
•   Thin-lipped, smooth Honda logo alternator cover
•   Smaller diameter front oil gallery plug (up to engine 219)
•   Sandcast chain tensioner body
•   Rear cylinder head bolt, special
•   Sandcast oil pump, gear shaft housing
•   Correct 3-piece sandcast clutch center (up to engine 1759)
•   Smooth correct oil filter cover
•   14mm hex oil filter bolt
•   16-tooth drive sprocket
•   New correct rubber spacers between fins
•   Original valve cover with internal waffle pattern
•   Original cylinders (resleeved to stock bore)
•   Original head with two spot-faced holes under cam towers (up to engine 563)
•   Correct twin lock washer on transmission linkage
•   Original early countershaft bearing holder (rare)
•   Correct “8” bolts everywhere
•   All new O-rings, seals and ball bearings
•   Original smooth rubber oil lines with smooth crimped ferrules (rare)

Frame
•   Adhesive tag on RH steering head, no build date
•   Yamiya 10 hole seat with orange foam
•   No diagonal brace on center stand
•   Correct early “8” bolts everywhere
•   Original battery box
•   Original top fork clamp
•   LH horn with grey sheath
•   No tach cable guide on horn
•   -050 wire harness installed

Carbs
•   Restored to pre recall (as left factory) condition
•   Honda “28” carburetor caps
•   Short carb springs – repros
•   Short throttle slides
•   5mm throttle cables and adjusters (repros)
•   Correct short cross tube on T-joints
•   Horizontal brass carburetor vents (super rare)
•   66 mm long choke arm
•   Correct nickel chrome plated carb clamps

Gas tank
•   Original 19 liter gas tank
•   Decals used for stripes
•   Short neck petcock
•   Needs correct fuel lines

Side covers and air box
•   Correct small side cover grommets
•   Correct Honda 2-hole air box – not repro
•   Correct Honda side covers – not repro
•   No rubber cushions for air box mounts
•   No reliefs on upper corners of air box
•   Smooth air box boots
•   Correct zinc plated clamps

Front wheel
•   Double-cut front fender
•   Correct refurbished front brake disc, repainted and reground with radial grind marks
•   Honda NOS fork tubes
•   12mm hex for front axle clamp nuts
•   Correct yellow zinc spoke nipples with turned down ends
•   Period correct Bridgestone Super Speed 3.25 x 19 tire (used, show only)

Front brake
•   Tokiko 1 brake caliper
•   Knurled socket head cap screws on brake caliper
•   No guide lugs on junction for top brake hose
•   Short neck brake hoses
•   “8” bolts on master cylinder clamps
•   Upper brake hose steel neck fitting straight
•   No level ring on master cylinder (rare)
•   Chrome brake line bolts
•   No rubber boot on fitting to master cylinder
•   Machined master cylinder cap

Rear wheel
•   Rolled rear rim
•   Correct short chain guard
•   Original correct rear brake panel
•   No hole hub (super rare)
•   No holes in ends of symmetrical rear wheel cushion rubbers (rare)
•    “8” original bolts on sprocket hub
•   Original 2-hole rear fender
•   Correct yellow zinc spoke nipples with turned down ends
•   Period correct Bridgestone Super Speed 4.00 x 18 tire (used, show only)

Exhaust
•   No number pipes with Lotus Root baffles (repro)
•   Exhaust spigots with radiuses on diagonal sides
•   5mm thick flanges on exhaust spigots
•   Fat fin exhaust clamps
•   Short pillion/muffler bolts 126 mm long

Handlebar & controls
•   No Off-On-Off markings on RH switch body (rare)
•   No ribs on speedo/tach rubbers
•   Pointer-less kill switch knob
•   11mm mirror stems (repros)
•   19 mm hex on blinker stems
•   Rearview mirrors with patent number
•   Round hole in speedo/tach mounting rings
•   Repro tach and speedo cables with short knurled nuts (pretty good)
•   Original gauges – refurbished by Marcel (Lecram)

10
I'd say it's mounted wrong, if that's possible.  ???

11
Restoration of Sandcast #97 / Re: Restoration of Sandcast #97
« on: July 08, 2019, 03:21:17 pm »
That is the 38mm dimension I referred to.

12
Restoration of Sandcast #97 / Re: Restoration of Sandcast #97
« on: July 07, 2019, 10:51:19 am »
I am not aware of different lengths. There was only one stem on #97. It had a 19mm hex and was about 38mm between the hex and the winker base. Every other one that I have has a 17mm hex and is the same 38mm dimension. I used two NOS stems that matched the one on #97. Has anyone seen a different length on sandcasts?

13
Restoration of Sandcast #97 / Re: Restoration of Sandcast #97
« on: June 30, 2019, 01:27:41 pm »
It's a local shop called Weld-Kraft. They're located just west of Minneapolis. Not sure where you are but if you want to contact them their number is 952-925-0339.

14
General Discussion / Re: Sandcast Price Trends
« on: June 20, 2019, 01:54:34 pm »
Thanks Sam. Interesting. Of course if the prices are staying the same that means that the value is going down.  :(

15
General Discussion / Re: Sandcast Price Trends
« on: June 20, 2019, 07:35:16 am »
Here is my spreadsheet. Not sure how useful it will be for current price trends. My last entry was 2015.

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