Hi Brent

The washer size is 14mm.

Regards

Alfred

> this reminds me - what sort of bloody washer is
*supposed* to be on the WB
> engine?  I have been unsuccessful finding
anything at my FLAPS that will
> fit.  As a result, I have re-used the nylon
washer that was on there four
> times!  (Yes, it does leak)  Is it 15mm?  Why
don't the three FLAPS that I
> have checked carry anything that fits?
>