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(13) MAIN BEARING COVER
Apply oil to the bearing and the oil seal lip when mounting the main bearing cover. Also apply sealant
(Three Bond ì1215î) to the surface of the crankcase. To avoid damaging the oil seal lip, wrap the crankshaft
key-way portion with polyvinyl tape before mounting the main bearing cover.
NOTE: Be careful that the lever portion of governor shaft does not face the main bearing cover.
(12) BALANCER SHAFT (OPTION)
(for EX27 only)
Mount the balancer shaft on the crankcase, align
the timing marks on the balancer gear and the
crankshaft gear.
NOTE: Incorrect alignment of the timing marks
can result in malfunction of the engine,
leading to damage due to interference of
the parts.
Fig. 5-44
Fig. 5-43
M8 x 35 BOLT : 6 pcs.
(EX13, 17, 21)
M8 x 35 BOLT : 7 pcs.
(EX27)
MAIN BEARING COVER
SEALANT
(
Three bond "1215"
)
CRANKSHAFT
GOVERNOR SHAFT
TIMING MARK
BALANCER GEAR
CRANKSHAFT GEAR
Tightening torque
22.0 - 24.0 N m
(220 - 240 kgf cm)
(16.2 - 17.7 ft lb.)