They never made locking ones for those. I would be looking a a hasp type thing seen on the series fuel caps. cheapest and easiest.
Is your original one damaged?
paddocks sell em, they aint cheap though.
G
They never made locking ones for those
hey storm ,yes a cap is at the yard ill pm you his phone number if yers want it...
Blimey..if you think he's a weirdo he must be bonkers!!!!