B beretta22 Well-Known Member Jun 4, 2024 #1 ZT3200 pumps. Cub manual recommends 200 hrs before changing Hydro oil, I think HG recommends 75. Any one have any input on this subject?
ZT3200 pumps. Cub manual recommends 200 hrs before changing Hydro oil, I think HG recommends 75. Any one have any input on this subject?
