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Messages - KB 1971 CB750
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« on: March 23, 2008, 01:48:57 PM »
Many thanks for the replies. Not sure about the rear light one though. My book shows the early CB750's has having the "smaller" rear light. In fact the part number of the rear lens is 33701-041-601 shows it's the same as the Honda C50. In fact I got a genuine rear lens for a C50 off e-bay last year and it certainly is the correct one. I think the "Square" types started on the K2's, although as previously mentioned, this is probably right for the UK model, the USA models did not fit the oval shape lamp. The link below shows all the differences, even showing the difference on the German and Dutch versions. http://members.tripod.com/cb750K2/parts-manuals/index.htmlRegards, Keith.
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« on: March 22, 2008, 12:43:19 AM »
Took my old CB750 to Spa-Francorchamps last year to the Biker Classics event. What a great event, it's full of Nortons, Triumphs, Honda CBX's Daytona Replica CB750's etc. Loads of Mike hailwood replica 250's 297's and 500/4's. A lovely 125cc 4cyl Yamaha.
Agostini was there, along with Phil Read, Mick Grant Steve Baker, and loads of others.
2 of my mates which I went with last year have entered this year. One on a 1979 Guzzi 850, and another on a 1978/9 Harris suzuki 1000 (They bombed out his 1982 Rotax..too new)
My mate was ther on his 1966 Norton 650ss which he bouhgt new!! was lapping real quick..but then blew the engine.....he should have took a CB750.
If you've never been...then give it some serious thought...it's a fabulous event.
Who's already booked?/
Regards,
Keith
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« on: March 21, 2008, 03:49:15 PM »
I know the subject of CB750 handling problems has been mentioned before, but did we come up with any solutions? My CB750 has a wobble on the front end, and I've checked everything!!
The head races are taper roller, and adjusted fine, the wheels are balanced, forks seem ok, and the swinging arm bushes are good. The tyres look OK, made by Continental, with plenty of tread left.
I'm a bit unsure about their sizes 110/90-19 front and 120-90-18 rear??? are there correct? Parts manual lists a 3.25-19 front!!
Hope someone can help.
Regards,
Keith.
4
« on: February 01, 2008, 06:31:49 PM »
I had the same problem, searched e-bay, US sites etc. Finished up having to rebuild with slightly worn bushes, and hope to have some made. Here's an interesting site I found while looking for Honda parts, they do list that part number...but then list them as out of stock!! I'm a great help eh. They list 51442-300-000 bushes at 120 euro's each. (OUCH) http://www.cmsnl.com/Regards, Keith.
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« on: January 18, 2008, 01:00:12 PM »
I aquired a 900cc big bore kit for a CB750 some time ago. It's still in the box, and comes with pistons, rings and liners. Can't remember what make it is, it's somewhere in the garage.
Question is:- What sort of job is it to fit, and will it be worth it? I understand it needs an engine stripdown, but do the cylinders require machining to take the new liners, and will I need a different head gasket.
Regards, Keith
PS The bike is running fine at the moment !!
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« on: December 11, 2007, 02:48:54 PM »
Thanks for the replys guys, but I've just got hold of a book called "The Original Honda CB750 by John Wyatt. In there, he lists 3 separate early CB750's. The first one being a CB750 (no K or K0)
He then lists a KO, an interim model, only 121 made, and 36 coming to the UK, none to the USA.
Then the K1, with the black air box, instead of the colour matched one which cracked.
My frame number of 1044827 would put it in the KO section if the book is correct.
I think that in the USA, they naturally call the original CB750 a KO
Regards,
Keith.
7
« on: December 08, 2007, 10:55:44 PM »
I have heared that the K0 model was a interim model, and only 36 came into the UK. The first model being simply a CB750......then the K0.....and then the K1.
Can anyone give any details on this one. I'm presently running a 1971 CB750, (early type sidepanels), and I have another 1971 CB750 in bits, but this has the later K1 sidepanels.
Cetrainly the like to the USA site does not record a K0, but it is possibly just a UK thing.
Any ideas??
Keith.
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