Suspension and tyre presure help???

[B_A_B]

Does anyone know if there`s any easy way to work out:

1) how much extra pressure i need to put in my tyres for a 8 stone pillion
2) how much adjustment i need to give the suspension for a pillion (same weight as above)

I know this question`s probably a long shot but any help is appreciated.

[Ichy]

Bike would be useful

Here we go for a guess.

I'll go for 36 on the rear for solo and bump it up to 42 for a pillion. Leave the front as is.

Suspension? One notch up on the rear preload and see how it goes.

The setting will be in the owners manual.
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[B_A_B]

its an 06 6rr (stock settings) with michelin PR2s on.

I`ve done a lot searches/googling and 40-42psi rear seems standard for pillion....but nothing gets said about the "weight" of the pillion so i don`t see how it can be a universal psi for all?

Have you seen or read anything anywhere that mentions bodyweight in relation to the psi?...it can`t be the same pressure for an 8 stone girl and a 15 stone lad can it?

Ill give the rear shock one click like you say and go from there with the suspension.... but i need more help with the rear tyre pressure question....(going touring)
Cheers

[LeeR]

It should be listed in your bike workshop/owners manual, but as Ichy said for a guide my bike runs 35/36psi f/r with preload 4 clicks off max solo, with a pillion I put 41psi in the rear and turn it up 2 clicks.
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My claim to fame: Austin Vince nicked my pen...

[Ichy]