james_stan

Float them in some fuel and look at the differing 'plimsol lines' then try leaving them on the window sill for week or two to see if...

Don't open up the channel and try and 'crimp' it back on the glass. I did that, but only once.😩

It was hot at the weekend - that won't have helped, my oil light was flickering at a (very low) tickover too.

Agreed.. but it's more of a pita if you have twin carbs to manoeuvre the motor out of the bay plus you need a smooth flat surface to...

Ha ha seems to have worked! Bonza!! Thanks!!! As luck would have it I also found another 30a dynamo in the spares shed too. Time to do...