Harness anchorage points

[alga]

Originally Posted by Johno

Just to clarify this rectangular piece of 136x53mm does that go all the way across the seat including its sides (I have "Kitparts Direct" grp seats with raised sides) or from the lowest point of the seat as the manual is a bit vague...

I think it's the lowest point, it would not make sense otherwise.

I wonder where does the 136x53 size come from... It must be some everyday object the testers used as the source of a reference point.... An offcut of some timber, a box of their favourite biscuits, or something.