theres a 4forty slammedia meet that I went to last year which i assume will be on again. theres another one near wetherby - possibly fueled society? might be around leeds
I know there was a 6two1 meet around there too last year which hopefully theyl do again this year
Just seen this place on google, used to go there on my bike.
Sherburn Bikers Cafe, West Yorkshire.1st Tues, Every month
It says that its a japanese car meet so might give it a go.