ENGINE
The crankcase is made in 2 halves
of
precision
diecast aluminum and is
of
the " thin-wall
ed"
type.
To avoid damage. do not hammer nor pry on any
of
the exterior or inreri
or
projected walls. These
areas
aTC
eas
il
y damaged. They are assembled
without a gasket and 2 locating dowels align the
crankcase halves when they arc bolted together.
Since the crankcase is assembled
wilhoUi
a
gasket. a specific seal
ant-Three-Bond
No.
1216
is
required to seal the case halves together. This
specific
type
of
sealant is the only type specified
by
U.S. Suzuki and is available fr
om
mo
sl
Suzuki
dealers.
It
is
a hardening type
of
sealant but it
retains
it
elasticity even when subjected to cngine
heal.
Other
typ
es
of
seala
nt
. even
th
ose
manufactured
by
Three
Bond, will eventually
become b
ri
tt
le which will lead to an oil leak.
Th
e crankshaft assembly (
Figur
e 238) is made
up
of
2 flywheels pressed together
on
a hollow
crankpin . The
co
nn
ecting rod big end bearing on
the crankpin is a needle bearing assembly.
The
cra
nk
shaft is supported on 2 ball bearings
in
the
crankcase. Service to the crankshaft
is
limited to
removal and replacement.
CRANKSHA".
CONNECTING
ROD
AND
PISTON
ASSEMBLY
1. Pla
ton
ring
..
t
2.
Clip
3. Pla
lon
4. Platon p
in
5.
Bolt
.
6.
Oll
..
al
7. Bearing retlliner
8.
Nut
9.
Lockwalher
10
. Primary drive
gear
11.
Sprocket
17
. Connecting rod
12.
B
ea
ri
ng
18
. Needle bearing
1
3.
Balancer
drive
gear
19
. Crankpln
14.
locating
pin 20. Washer
15
. Crankshaft
(right-hind
hl
lf)
21
. Crankshaft
(Iaft-hlnd
half)
16.
Wa,he,
22. Bearing
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