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Chapter 7 ASSEMBLY OF BASIC ENGINE
3. Front Mechanism - Assemble
3.1 Front Cover - Install
(1) Apply sealant (ThreeBond 1211) to the packing mount-
ing surface of the crankcase, and install the packing.
(2) Apply sealant (ThreeBond 1211) to the packing for
front cover mounting surface, and install the front
cover.
(3) Tighten the bolt.
(4) Check that the lower face of front cover is flush with
the bottom of crankcase.
Cut off any excessive packing neatly.
Front Cover - Install
3.2 Tension Pulley - Install
(1) Install the tension pulley to tension plate, then tighten
the bolts.
(2) Install the tension plate to front cover and bracket.
Tension Pulley - Install
3.3 Front Oil Seal - Install
With the front seal installer assembly, install the front oil
seal.
(1) Apply clean engine oil evenly to the oil seal lip.
Note: Pay attention to the installing side of oil seal, and be
careful not to damage the oil seal.
(2) Install the guide flange to the crankshaft front end, and
secure it with the insert bolts.
(3) Set the oil seal to insert and install it to the guide flange.
(4) Tighten the bolt on guide flange to insert the oil seal
into the front cover.
(5) Remove the installer assembly.
Front Oil Seal - Install (1)
Front Oil Seal - Install (2)
Packing
Cutter
Tension pulley
Tension plate
Front cover
Bolt
Socket bolt
Insert bolt
Insert
Swing
washer
Front seal installer
assembly
P/N:37591-05010
Guide flange
15.5 mm
[0.610 in.]
Front seal installer
assembly
P/N:37591-05010
Oil seal
Slinger
17.5 mm
[0.689 in.]
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