-
32
-
(3) Install piston and connecting rod assembly
into cylinder.
Use a piston ring compressor to hold piston
rings.
The “MA” mark (EH09D) ,“MAG” mark (EH12-
2D) of the connecting rod is to face the fly-
wheel side of the engine when assembled.
5-4-4 CONNECTING ROD
(1) Turn crankshaft to bottom dead center, lightly
tap top of the piston until large end of the rod
meet crank pin.
(2) Install connecting rod cap to connecting rod.
Make sure to match the alignment marks on
the rod caps.
Torque connecting rod bolts to specification.
M5 x 25 mm connecting rod bolt : 2 pcs. (EH09D)
M6 x 34 mm connecting rod bolt : 2 pcs. (EH12-2D)
(3) Check for free movement of connecting rod
by turning crankshaft slowly.
Note:
(1) Apply enough oil to lubricate the pis-
ton rings, connecting rod bearings
and cylinder bore before assembly.
(2) Set gaps of the piston rings 90 de-
grees apart from each other before
assembly.
Fig. 5-28
Fig. 5-29
Fig. 5-30
Model: EH09D Model: EH12-2D
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gk08-06( ・ )mc
tf7.5-3.4( ・ ).bl
N11-8.8 ・m
gk511-09( ・ )mc
tf3.8-5.6( ・ ).bl
PISTONRING
COMPRESSOR
CONNECTING ROD
("MA"SIDEEH09D)
("MAG"SIDE EH12-2D)
SECOND RING
OIL RING
TOP RING
ALIGNMENT
MARK
ALIGNMENT
MARK
CRANKCASE (FLYWHEEL SIDE)
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