[Nasher]

I need to change the fork seals in the Marzocchi adjustable forks on my M900, which I'm hoping to do tomorrow.

I have the oil level tool and spring compressor, I made both of them a while ago.

I also purchased ages ago a pair of seals and a Hyperpro spring kit which came with oil.

I've just been checking what air gap i need and have found a big difference between the recommendation in the Haynes manual and the Hypepro instructions.

Haynes says for the Marzocchi forks it should be:
90mm air gap and SAE 7.5 Oil

The Hyperpro instructions say:
110mm air gap and SAE 10 Oil, which has been supplied.

I know most people say the SAE 7.5 Oil works better in the M900 on Marzocchis, but I'm a little concerned about the significantly less amount of Oil Hyperpro are suggesting.

Can anyone suggest from experience which is correct?
Or does the lower Oil level counteract the Oil weight?

Thanks

Nasher.