Where`s the grease go that you pump in? The resevoir to oil bath the gears is a finite space. Sooner or later it will be full then your 6000 psi grease gun will push in out the vent (possibly blocking it) or past the seals not designed to do it that way.
If I saw premix there I would be thinking of a crank rebuild or reseal anyway. What would you do if you saw spooge coming out the mag or PTO seal.
Never did the Suzuki but did lots of others previously. I like a cute little VENTED bottle (or big fat tube) set-up (drain at the bottom of the case) that would allow me to flush and fill once or twice a season to get rid of wear particles. Water pump does a lot of work and gears create cavitation that needs venting. Seals are good to what,,, 1 or 2 x atm.
Aways scratched my head on the grease nipple idea. Thought maybe the plate supplied had a large vent installed (that should eventually get pretty messy).
Of course, as stated above, no issues and no greasy smelling smoke. Scratching my head again because I remember what gear oil smells like.