
Subsection 10 (BOTTOM END)
During reassembly, make sure not to damage the
sealing surfaces of the crankcase halves.
NOTE:
Place the proper crankcase support sleeve
under crankcase halves before installing the plain
bearings, refer to
PLAIN BEARING REMOVAL
PROCEDURE
in this subsection.
Install plain bearings in a cold crankcase.
NOTE:
Do not lubricate plain bearings and/or
crankcase for installation.
REQUIRED TOOL
PLAIN BEARING
REMOVER/INSTALLER
(P/N 529 035 917)
NOTE:
Use an O-ring (Ø 42 x 1 mm to 1.5 mm
(.04 in to .06 in) thickness) to hold plain bear-
ings in place during installation. The O-ring will
disappear in the groove of the plain bearing re-
mover/installer.
1. Mark position of plain bearing oil bore on plain
bearing remover/installer.
2. Mark position of oil bore on crankcase half.
3. Align mark on plain bearing remover/installer
with mark on crankcase half.
tmr2011-014-026_a
1. Oil bore position marked on plain bearing remover/installer
2. Plain bearing oil bore
3. Oil bore position marked on crankcase
NOTICE
Misalignment of the plain bearing
and crankcase oil bores will prevent proper oil
supply to plain bearings.
4. Carefully press in the plain bearings from inside
the crankcase towards the outside.
NOTICE
The joint of the plain bearings in
crankcase half MAG side must be positioned
near the oil bore in a clockwise direction.
tmr2011-014-027_a
1. Crankcase half MAG (inside surface)
2. Partition
3. Oil bore
NOTICE
The joint of the plain bearings in the
crankcase half PTO side must be positioned
near the oil bore in the counterclockwise di-
rection.
tmr2011-014-028_a
1. Plain bearing joint
2. Oil bore
3. Crankcase half PTO (inside surface)
Assembling the Crankcase
The assembly of crankcase is essentially the re-
verse of removal procedure. However, pay atten-
tion to the following details.
Clean oil passages and make sure they are not
clogged.
Clean all metal components in a solvent.
Install a
NEW
crankcase gasket.
Oil the plain bearings before mounting the crank-
shaft.
Reinstall crankshaft, see procedure in this subsec-
tion
Properly reinstall engine oil strainer and screws.
Refer to
LUBRICATION SYSTEM
subsection.
vmr2016-421
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