9-10 LOWER UNIT
GEARS
• Inspect the forward, reverse and pinion gear teeth and the
engaging dogs for excessive wear or other damage.
Replace if necessary.
• Inspect the forward gear bearing for pitting, rough or other
damage. Replace if necessary.
PROPELLER SHAFT COMPONENTS
• Inspect the push rod and the push rod pin for excessive wear
or other damage. Replace if necessary.
• Inspect the clutch dog shifter for excessive wear, chip or other
damage. Replace if necessary.
• Inspect the dog pin for bent or other damage. Replace if nec-
essary.
• Inspect the propeller shaft / splines for wear, twist or other
damage. Replace if necessary.
• Measure the clutch return spring free length.
"
09900-20101: Vernier calipers
Clutch return spring free length (L)
Standard
:
67 mm (2.6 in)
Service limit:
64 mm (2.5 in)
If the measurement exceeds the service limit, replace the clutch
return spring.
PROPELLER SHAFT BEARING HOUSING
• Inspect the housing for cracks or other damage. Replace if
necessary.
• Inspect the propeller shaft bearings and the reverse gear
bearing for pitting, rough or other damage. Replace if neces-
sary.
• Inspect the oil seals and the O-ring for cuts, nicks or tears.
