KD3, KD3S, KD4, KD4S, KE3, KF3, KF5, Mark 5, 6, 6A
Gear Grease- 105 Lubriplate replaces original gear grease in all 1, 2, & 4 cyl. Mercurys through 1961. This heavier lube should also be used in non-shift motors of other brands. 10 oz.Note: Modern 90 weight gear lube is generally unacceptable in these engines.