(02-06-2022, 07:04 AM)Derek Sheldon Wrote: I spent several days trying to get a Ruby to run properly. It had New NKG7 plugs fitted. It wasn’t until I fitted a new set of Champion L86 plugs that it ran faultlessly. In my opinion chuck the NKG’s
Derek
The L86 is a 14mm plug and the NGK A6/7 (AB6/7) is an 18mm plug, so your Ruby must have had a really odd plug.
Irrespective of make, changing the plugs for a new set is stage one fault finding in my book.
Charles