Thanks for all your input. After testing a lot of different things it finally boiled down to the K&N Filter.
Appearantly I was not allowing it to dry complete before oiling, turning the filter into a gag.
I replaced it with the OE filter and was so pleased to have the problem solved, I did...
Hi,
I have a 1986 Kawasaki Ninja 1000 (ZX10). The bike is completely stock with the exception of the K&N Filter I installed last year.
When I got my bike out of winter storage and did the normal maintenance, it was running fine. A few weeks later I was out for a ride and the bike felt like it...