Vanguard
TM
Twin-Cylinder OHV Liquid-Cooled Engine
Section 5 - Engine Assembly
Page 61
INSTALL FLYWHEEL
1. Clean flywheel and crankshaft taper. Remove all
oil, dirt or grease.
2. Assemble flywheel to crankshaft and align
keyways.
3. Insert flywheel key into keyways.
4. Place flywheel strap wrench, Tool
#19433 around
outer rim of flywheel, Fig. 151. Torque flywheel
nut to
150 ft. lbs. (203 Nm).
5. Install fan pulley. Torque to
140 in. lbs. (16.0 Nm).
Fig. 151
INSTALL CYLINDER HEADS
1. Install cylinder heads with new gaskets.
NOTE: Arrow on gasket must face flywheel side.
2. Lubricate threads of head bolts with Valve Guide
Lubricant
#93963.
NOTE: Install short head bolt below spark
plug hole.
3. Torque bolts in sequence shown to
30 ft. lbs. (40.0
Nm)
, Fig. 152.
4. Insert push rods into recess in tappets.
Fig. 152
INSTALL ROCKER ARMS
1. Lubricate rocker arm supports with clean engine
oil.
2. Assemble rocker arm supports and rocker arms to
cylinder head, Fig. 153. Torque screws to
100 in.
lbs. (11.0 Nm)
.
Fig. 153
CAUTION: Make sure push rods are seated in recess
in rocker arms and tappets.
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