Greasing the zerks

[75MillerJet]

How often should all the zerks from the driveline to the pump be filled?

[Boatcop]

I put a couple of squirts in mine every time I go out, just to be on the safe side. Not enough to overload it, just enough to make sure there's a little bit of positive grease pressure.

[centerhill condor]

I think the book calls for 10 hours or monthly.