90-824052R3 JUNE 2002 LOWER UNIT - 6C-19
Driveshaft Needle Bearing
NOTE: Two different sized driveshaft needle
bearings may be found in XR6 and MAGNUM III
gearcases. Externally, these gearcases may be
identified as follows:
50737
EARLY MODEL
50737
LATE MODEL
After identity of gear case has been established, refer
to the appropriate driveshaft needle bearing removal
and installation procedure.
REMOVAL OF DRIVESHAFT NEEDLE BEARING
- EARLY MODEL
1. If inspection of driveshaft needle bearing surface
(refer to “CLEANING and INSPECTION,”
following) determines that replacement of needle
bearing is required, remove bearing from gear
housing, following.
2. Remove forward gear from gear housing.
3. Using suitable mandrel, PILOT (91-36571), and
DRIVER ROD (91-37323), remove race from
gear housing.
a
b
c
51882
a - Suitable Mandrel
b - Pilot* (91-36571)
c - Driver Rod* (91-37323)
*From Bearing Removal and Installation Kit (91-31229A5)
IMPORTANT: Discard driveshaft needle bearing
after removal (bearing cannot be reused).
IMPORTANT: If DRIVESHAFT NEEDLE BEARING
RACE has spun in bore in gear housing, gear
housing MUST BE REPLACED as reinstalling
new bearing in old housing will result in repeat
bearing failure.
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