Hi,
Thanks for talking the time to reply.
I fill up the governor, vertical brass one, as part of the start up routine and usually when i stop her running, the reservoir takes a little while to drain down into the glass jar.
I did notice that when she prematurely stopped as mentioned, the reservoir was empty, hence the reason i thought i may have filter issues.
As you mentioned, It could be the tickover set too slow, as i have noticed that i can now stop the engine by turning the wheel right down, whereas before i had to push down on the linkage, as Dave Moore showed me that is how he use to stop his J3.
I do have a tacho that was left with the engine, so is it a relatively easy task to adjust the tickover?