Honda CB750 Sandcast
The Restoration Shop => VIN's => Topic started by: Steve Swan on February 19, 2010, 07:52:23 pm
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Have heard in the the past of French sandcast vins greater than E7414, but this is the 1st pic APPEARING to substantiate such.
Engine number/letter stamps appear authentic on sandcast cases. And, the frame/engine numbers of 101460/E1014143 are in the range one would expect.
Following is translation of the ad:
HONDA 750 K0 SANDCAST MODEL 1969 EXCEPTIONAL HONDA 750 OF 20 000 Km ORIGIN. _ N° OF FRAMEWORK: 101 4060 _ N° OF ENGINE: 101 4143 Arrival in FRANCE in February 1970. This motor bike at summer photographed on page 4 of the book of BRETON ERIC heading "CB 750" with editions LARIVIERE Except the 4 pots of echappements and a top of saddle, this motor bike is in its state of origin without any restoration. Only 3 owners. The photographs of details, prove the hautenticity of the modéle "K0 SANDCAST" of 1969: engine moulded with sand, keeps mud, meters, tank, exct.... cabochons of the indicators are also of the year 1969. Aprés 38 years this modéle is single, taking into account the state and of little "GUARANTEED" mileage. for all information such: 06 20 44 11 42.
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Wow, thats a nasty looking casting. Wonder how that came to be? Maybe they had some early non-stamped casings that were rejects and sent them out in the course of production?
So, the rumor was just concerning France?
Or, do we have to look for others outside of the 7414 range in North America?
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This is a new one; never heard of such an oddball sandcast. I have engine # CB750E-1010492 and its diecast built 10/69. Maybe its sandcast replacement cases w/ #'s stamped to the blank pad? I've seen several sandcast replacement engine cases w/ no-number blank pads.
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The letter and number stampings look to be of the early Honda stamping type. I have an early ko engine number 1008138 manufactured 10-3 it is a ten hole die cast . I also have a set of unstamped 9 hole sand cast cases with a stamp date of 9-10. My thoughts are that something was wrong with the original engine and an unstamped motor was installed in japan prior to exporting and stamped using the original engine number. Honda frames and engines were selected at random with no set pattern. Marty
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The casting date of these cases is 8-11 comming from casting mold E1. marty
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cbx1047, "The casting date of these cases is 8-11 comming from casting mold E1". Are you referring to the ebay French cases? Some education please?
Where are the casting mold number and/or casting date?
Is there a xref between date and "mold" number?
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The cases I am referring to are the French sand cast Vin#1014143. As for the casting date and casting mold identifier code they are located as follows. On the top case they are located just forward of the top rear engine mounting bolt, clutch side. On the lower case they are located on the shifter/transmission side just forward of the gear box sprocket. The letters and numbers are raised and set on a 1/4 inch raised square. THESE NUMBERS/LETTERS ARE MOLDED WITH THE CASES, NOT STAMPED. Marty
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Marty's explantion for a 14xxx sandcast vin is plausible. FUN STUFF !!!!
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About 15-20 years ago i was involved with setting up a CB750 club here in Oz, I had a guy from southern NSW tell me that he had an original Sandcast engine bike with a vin and engine number 1008xxx. I dismissed him as wrong, It has always stayed with me, as he was very firm in his belief that it was a sandcast engine, and he said he knew the difference between the sandcast and diecast bikes, now after seeing this French bike, and owning a French K0 that was sold here new, I now believe anything could be possible, and i may have been mistaken telling him he was wrong ;D
The french bike i once owned was about 150 or so into the diecast run, a 1007xxx i was the second owner and the original owner told me he bought it new in Australia from a Melbourne Victoria dealer that was flying in unsold CB750's from France. it had a Kph speedo. The dealer was selling them at a premium price as they were no bikes available thru Australian Dealers, he was told it was a very cold winter in the northern Hemisphere and the bikes were sitting there unsold, He declined at telling what he had paid to get one as he said he was still embarrassed about it...TC
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Just an interesting side note, I own 1014100 As far as I know it's always been around central illinois. It has a K4 engine, the previous owner did multiple "updates" I've been undoing them except the performance mods, it's got lester mags 19" and 18" and too much chrome. The frame was cut so I put in a drop out kit when I repaired the frame and replaced the tubes, 836, original carbs, ported head, Harmon F cam, Yoshi repo pipe with a dunstall looking muffler. It was a good one to learn on before I found my sandcast. It makes a nice contrast when they're parked together.
The guy that owns 1009xxx swears it had a sandcast motor. He worked at our local Honda shop and owns an independent shop founded on the 750 business. He assembled mine from the crate (1005511) in Dec of 1969 or Jan 1970 and assembled his next. It threw a chain two states away in the 70's and he bought a replacement engine then. He still has it although it's not very original.