Transmission Fluid - Mercury MerCruiser Service Manual

Using the reverse gear to propel the boat forward will damage the transmission. Install the shift cable so shifting the helm
control forward engages the transmission's forward gear. Mercury Marine does not cover improperly installed components
under warranty.
a
b
b

Transmission Fluid

Checking
IMPORTANT: Always check the fluid level before operating the transmission.
1. Loosen the dipstick by turning the T‑handle counterclockwise.
2. Remove the dipstick and wipe it clean.
IMPORTANT: The dipstick requires an O‑ring. Ensure that the O‑ring remains in place.
3. Insert the dipstick into the transmission. Do not screw it in.
4. Remove the dipstick and check the fluid level.
90-8M0099748 eng DECEMBER 2015
c
26709
a
c
26710
a
26711
CAUTION
!
Forward
a - Direction of shift lever engagement (toward flywheel)
b - Engine/transmission input shaft shaft rotation direction (LH)
c - Transmission output/propeller shaft rotation direction (LH)
Reverse
a - Direction of shift lever engagement (away from flywheel)
b - Engine/transmission input shaft shaft rotation direction (LH)
c - Transmission output/propeller shaft rotation direction (RH)
a - Dipstick handle
© 2016 Mercury Marine
ZF/45C, 45IV, 63A, 65IV Transmissions
Page 9A-7