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I ~
9.
Apply RTV to the carburetor gaskets; then
install. Slide insulator blocks onto cylinder
studs. Apply RTV to rubber carburetor
flange; then install and tighten to
1.5 -1.9 kg-
m
or
11 - 14 ft-lb.
10. Apply a thin coat of RTV to both sides of the
head gaskets and install.
11. Install cylinder heads. Install nuts and
washers.
Fig. 4-123
A037
12.
Tighten head nuts to
2.2
kg-m or
16
ft-Ib
using the pattern shown.
Fig. 4-124
0725-320
13. Check the engine for any air leaks (See:
Check Engine Sealing).
14. Install flywheel housing; apply Loc-Tite to
screws and tighten with impact driver.
15. Install the magneto baseplate assembly.
Align the marks made during disassembly;
then install and tighten fasteners.
52
Fig.
4-12~
A017
16.
Tighten the engine wiring harness clamp.
This will prevent the flywheel from contact-
ing harness.
17. Check the flywheel magnets for any foreign
particles. Be sure the magnets are clean.
Install flywheel over woodruff key and
crankshaft. Install a spacer washer, lock
washer and nut. Tighten the tlywheel nut to
6.8 - 8.7 kg-m or 49 - 63 ft-Ib.
18. Install the starter pulley with the three cap
screws and lock washers. Tighten to 0.6 kg-m
or 5 It-lb.
19. Install the exhaust manifold. Tighten nuts to
1.5 -1.9 kg-m or 11 - 14 ft-Ib.
AA28F2/F3, AA34F3
1.
Lubricate the crankshaft seals by applying a
liberal amount of grease between double lip
of seal; then slide seals onto crankshaft with
spring side of seal toward bearing.
2.
Apply a thin coat of crankcase sealer to both
halves of the crankcase. Always use a sealer
that remains pliable when dry (such as Liquid
Gasket or RTV silicone sealer).
Fig. 4-126
A161
t
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