SOHC.co.uk Forums > CB350/400

Front end renovation

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Multiman:
Thanks Julie, I ended up using heat to get the seals out. They were very very tight so could be the originals.

I'll get some of the springs and see if they make any difference to the suspension.

Thanks all for your input.

Multiman:

--- Quote from: 3scs on July 10, 2023, 07:50:05 PM ---These pics

--- End quote ---

Thanks, Trigger suggested that as my forks had no rebound springs they may be 550 forks.
My for are 555mm in length so defo not 550 forks going by your pics.
Thank you
Tim

Oddjob:
Confused here, it’s posted in the 350/400 section and there are references to both 400 and 550 forks, yet the 400 forks have thinner stanchions than the 500/550 forks so what exactly are we discussing here?

Trigger:

--- Quote from: Oddjob on July 10, 2023, 10:51:06 PM ---Confused here, it’s posted in the 350/400 section and there are references to both 400 and 550 forks, yet the 400 forks have thinner stanchions than the 500/550 forks so what exactly are we discussing here?

--- End quote ---


You never assume that because a question is in the 400 section that the bike is totally factory standard, as many are not . It may of had the top and bottom yokes changed to 550 and had 550 forks fitted. The bell started ringing when was mentioned that it did not have a rebound spring and the CB550F1 never came with a rebound spring  ;D

Oddjob:
True but most 400 fork conversions were to something like the 250N which wouldn’t involve swapping the yokes, maybe he can measure the width of the stanchions and that would provide a better idea of what’s been done in the past.

A swapping to 500/550 forks would have also most likely involved changing the front wheel to a 19” one or the discs, mudguard etc would have proved a problem. Not seen a 400 with a 500/550 forks on for that reason.

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