400 Wheel Spindles

[Trigger]

I am currently fitting rebuilt wheels to my '75 400/4 that I restored in 1986 !
I couldn't find NOS DID rims in '86 so I used Suzuki Takasago rims (bought from Queens Park Motors
Oddjobb    ) and non-standard un-butted spokes. Anyway, with eBay and internet, (not around in the mid '80s ! ) I have just rebuilt replacement wheels with the proper period DID non-side-scripted rims and the correct Honda spokes.

I noticed that my Aug 1975 bike had a hex headed rear wheel spindle fitted and it's not correct as it should be the -286- part ..like the CB250K , although I believe  it was BZP finish on the CB400F,  not chromed. Also I noticed that among my collection of front wheel spindles, some have hollowed ends and some are solid. I think the '75 should have the solid end,  BZP finished version. Any ideas? I think my original rear spindle must have been from a late F2 model or perhaps a CJ250T.

Going back to spindles. I have a CB550 F1 / F2 with a hex head and the flanged nut. Everywhere i have looked for the part number it comes up with 42301-300-020 which is from the 750 


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[AshimotoK0]

Going back to spindles. I have a CB550 F1 / F2 with a hex head and the flanged nut. Everywhere i have looked for the part number it comes up with 42301-300-020 which is from the 750 
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Perhaps these are the ones on the 400F2 and later  models 550/750's respectively Graham?

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[Trigger]

Every 550 F1/F2 i have owned has had the hex head rear wheel spindle. The shaft is too thick for a 400/4.
Not sure about if the late 750's shared the same shaft mate.

[AshimotoK0]

Every 550 F1/F2 i have owned has had the hex head rear wheel spindle. The shaft is too thick for a 400/4.
Not sure about if the late 750's shared the same shaft mate.

400/4 = the 312 part I showed 1st pic of mate ... originally a SL350 twin part.

[Trigger]

Every 550 F1/F2 i have owned has had the hex head rear wheel spindle. The shaft is too thick for a 400/4.
Not sure about if the late 750's shared the same shaft mate.

400/4 = the 312 part I showed 1st pic of mate ... originally a SL350 twin part.

Must of used a 393 spindle mate. Cheers for the info