Suzuki DF 90 Service Manual page 216

7-6 MID UNIT
Mount
Inspect upper and lower mount for excessive wear, corrosion or
other damage.
Replace if necessary.
Water tube
Inspect water tube for clog, obstruction, crack, corrosion or other
damage.
Clean or replace if necessary.
Inspect water tube grommet for excessive wear or other dam-
age.
Replace if necessary.
Counter shaft bearing
Inspect counter shaft bearing for pitting, routh or other dam-
age.
Replace if necessary.
Oil seal
Inspect driveshaft upper and counter shaft oil seal for leakage,
crank, cut or other damage.
Replace if necessary.
NOTE:
Install oil seal with lip (spring side) facing as shown in figure.