Mercury FourStroke 3.5 - Driveshaft, Pinion Gear, and Forward Gear

Gear Housing
Page 6A-18 90-8M0065421 NOVEMBER 2012
• Propeller shaft has a noticeable wobble or is bent more than 0.152 mm (0.006 in.). Check the propeller shaft trueness
with a dial indicator and V‑blocks.
a - V‑blocks
b - Bearing surfaces
c - Check with dial indicator here
Dial Indicator 91‑58222A1
Driveshaft, Pinion Gear, and Forward Gear
1. Remove the driveshaft and spacer from the gear housing.
a - Driveshaft
b - Spacer
2. Remove the water pump base gasket and the shift shaft from the gear housing.
a - Gasket
b - Shift shaft
c
a
b
25557
a
b
a
b
25558
b
a
25564