Gear set Mercury / Mariner 30 - 125 HP (3 & 4-CYL.) 4 & 2 Stroke, 43-859472A3; 43-44484; 43-850034T

Gear set Mercury / Mariner (Force) 4 & 2 Stroke 30/40/50/60/75/80/90/115/125 HP (3 & 4-CYL.)

(4.25” / 107.95mm) Torpedo Diameter Big Foot)

Gear Ratio 2.31 : 1

43-44484 Pinion 13 teeth

43-859472A3 Gear F 30 teeth, Included bearing

43-850034T Gear R 30 teeth, (6 Jaw clutch)