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1971 Honda CB750 K1 - Can anyone ID these forks and wheels?

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Bryanj:
Looking in the ID book the front end looks exactly like a 78 hondamatic even to the plastic bits at the rim/spoke join and the rear looks same as well but not sure what tyre size was on those as they never came to UK officially

JamesH:
Just adding to the above, the clocks looks very similar to my ‘68 CL450. Also looks like a later K4 onwards cylinder head has been fitted? Maybe you have some other goodies in the motor?

James

Yamahawk:
Hi All,
  I have taken more pics of the front end, here they are! I believe it is a stock set of front forks, with a triple tree of unknown year, and the front wheel off of perhaps a CB750A, along with the rear. The seat is not stock so it could be the 400 seat. I have a 72-76 seat coming, with the proper hinges and I will move the 'hook' latch over from this seat. I got the bike running rather well, had to clean the bleed hole in the master cylinder to free the front brake from sticking, and now it works well, I noticed that the right fork tube has mounts for a second caliper, and the ComStar has a mount for the second rotor, to convert it to dual disk brakes!
The instruments are not the stock speedometer, but not sure about the tach. I replaced the tach cable, as they had a square drive cable where it inserts into the head, and it is supposed to be the split mount cable end. Now the tach works well!
Here are some more pics!
Charlie

Yamahawk:
Nelig.
   The CB750A did have this type of caliper also, and I am thinking the front end is off of this model of CB750A. That would explain the ComStar wheels, etc. I know there is at least 3 types of parts fitted onto this bike, so it will be a puzzle to sort out.
Here is a pic of the headlight area also!

neilg:
How about a pair of F2 forks and brakes. The discs will also have to be F2 as they have a smaller diameter, though check the number of mounting bolts before you go ahead as I think the F2 has one bolt less than the K's, or is it one more...not sure but I have messed about with similar swop. I used an F1 wheel and ended up having the discs machined down as F2's didn't fit the hub. Gawd knows what pattern the 750A has. Interesting stuff.

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