27-01-2014, 11:07 PM
Some do, some don't.
Often the little filter that slides in the end acts as the seal, but some engines I've seen don't have this and don't need it to seal. Had exactly the same issue on my engine back in the day.
Often the little filter that slides in the end acts as the seal, but some engines I've seen don't have this and don't need it to seal. Had exactly the same issue on my engine back in the day.