5-79
CRANKSHAFT
For example, if the crankcase J
1
and the
crankshaft web J
1
numbers are 4 and 2 re-
spectively, then the bearing size for J
1
is:
EAS31446
INSTALLING THE CRANKSHAFT JOURNAL
BEARINGS
The following procedure applies to both of the
crankshaft journal bearings.
1. Attach:
• Crankshaft journal bearing “1”
Attach the crankshaft journal bearing to the
plane bearing installer “2”.
2. Install:
• Crankshaft journal bearing
• Align the projection “a” on the bearing with the
projection “b” on the crankcase.
• Place an iron plate “3” beneath the crankcase
and press fit until the end of the plain bearing
installer touches the iron plate.
EAS30426
INSTALLING THE CONNECTING RODS
1. Lubricate:
• Bolt thread
• Nut seat
(with the recommended lubricant)
2. Lubricate:
• Crankshaft pin
• Big end bearings inner surface
• Balancer big end bearings inner surface
(with the recommended lubricant)
3. Install:
• Big end bearing
• Connecting rod
• Connecting rod cap
(onto the crankshaft pin)
J
1
(crankcase) - J
1
(crankshaft web)
= 4 - 2
= 2 (black)
Bearing color code
Code 0
White
Code 1
Blue
Code 2
Black
Code 3
Brown
Code 4
Green
Code 5
Yellow
Plane bearing installer
90890-04139
Recommended lubricant
Molybdenum disulfide oil
Recommended lubricant
Engine oil
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