Do you boys fit a new washer to the oil bolt when you change the oil? I've usually annealed mine & re-used it but last time out I had a fair leak from the bolt, tried nipping it but it was good & tight.

I've splashed out on a bag of copper sealing washers, I shall anneal & use a new one each time now I've acquired this new found generosity towards my bike.

Horrendously expensive, but these are supposedly proper crush washers.

1958 Ariel 650 FH, 2014 Tiger Sport1050, 1995 XT225 Serow, Tiger 800 XRx.