Chrysler 20 and 30 HP Outboard Motors Service Manual OB 3435, Page 185Get this manual
GEAR TRAIN DescriptionThe gear train redirects vertical engine rotation to the propeller which is on horizontal plane when the engine is runningPropeller rotation (forward or reverse) is controlled by the shifting mechanism of the gear train
With the shift lever in reverse, the shift clutch engages reverse gear, turning the propeller counterclockwise Figure 18 (Lower Right)Removal
Bearings and seals are covered Inspection and Repairunder
The driveshaft is splined to the pinion gear which meshes with forward and reverse gearThe propeller shaft engages the gears by means of the shift clutch The shift clutch moves back and forth by following the clutch shift cam on the end of the shift rod When shifted into neutral, the shift clutch centers itself between forward and reverse gear and does not contact either oneFigure 18 (Top)When the motor is shifted into forward gear the shift clutch engages forward gear, turning the propeller clockwise Figure 18(Lower Left)