Engine Mechanical: 1D-51
• Install the countershaft assembly (15) and driveshaft
assembly (16) into the upper crankcase.
NOTE
• Be sure to install the bearing dowel pins
“C” in their respective positions.
• Make sure that the countershaft assembly
turns freely while holding the driveshaft
assembly. If it does not turn freely, turn the
gearshift cam to the neutral position.
• Install the countershaft end cap (17) in the
proper position.
Oil Jet
• Install the oil jets (4 pcs) to the upper crankcase.
NOTE
Apply engine oil to the O-ring. Before
installing the crankshaft journal bearings,
make sure that the oil jets (1) in the upper
crankcase are not clogged.
Crankshaft Journal Bearing
• When installing the crankshaft journal bearings into
the upper and lower crankcases, be sure to install the
tab “A” first, and then press in the opposite side of the
bearing.
CAUTION
!
Do not touch the bearing surfaces with your
hands. Grasp the bearings by their edges.
NOTE
Inspect and select the crankshaft journal
bearing if necessary. Refer to “Crankshaft
Journal Bearing Inspection and Selection: ”.
Cam Chain Tensioner
• Install the cam chain tensioner (1) and two dampers
(2) properly.
NOTE
Be sure to face the arrow mark on the damper
towards the front and rear, not towards the
left and right.
15
16
17
“C”
“C”
I649G1140151-02
1
1
I649G1140152-04
“A”
I649G1140153-02
1
2
2
I649G1140154-02
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