SOHC.co.uk Forums > CB750

Cb750 dual disk upgrade

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El__burro:
Thanks for your "assumption".
Very much needed.
I guess, we said no front fender involved.
It definitely better without it.

El__burro

tom400f:
Ok but the front mudguard is both good and bad in this context:

Good:
1. acts as a fork brace (I assume this is also the case on the 750 as it is on the 400...) so if you omit it something else will be necessary
2. Erm, finishes the bike off nicely as per Mr Honda intended...

Bad:
Extra material making the original problem worse. You still need the same amount of shimming but now the bolts are even further out (or in, as per your preferred reference point). This means more coming off the brake arm to accommodate things on the wheel side.

I'm only looking at this from a common sense point of view. I didn't follow the bit about different fork lowers or Honda kits from the period... just wondering if shaving the lugs on the brake arm would do anything to compromise its strength, since the braking force is going through there. But otoh you are spreading the load across two now.

Only trying to make sense of it all, that's all  :)

El__burro:
Like this?
Please say Yes.

Thanks
El__burro

Bryanj:
I think so if that is the correct way round. The bolt "Head" is the hexagon you put the spanner on

tom400f:
Again from my lay perspective, yes those areas. Effectively, you're putting the metal you're taking off that side on to the other side in the form of your shims.

How much do you need to take off relative to the total thickness? Relative to the height of the bolt head? Just wondering out of curiosity.

And why does the lug already look like Kryten?

Good luck. Tom

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