CRANKCASE\CRANKSHAFT\BALANCE SHAFT
X X
Spindle bushing selection
Crankcase grouping 1-red, 2-red, 3-red, 4-red, 5-yellow,
6-yellow
Crankshaft grouping 2-3-3-2-A-A
According to the above table, the selected main shaft tile
marks are blue, green, green and blue.
Balancing shaft bearing bush optional
Connecting rod bearing bush optional
X
Group identifi er
A or B
◆ Select the appropriate crankshaft bush according
to the grouping marks on the crankcase and
crankshaft.
Spindle bushing selection table
Crankshaft main diameter grouping
Crankcase
main shaft hole
grouping
Correct bearing bush color identifi cation
yellow
blue
red
white
blue
◆ The sample
◆ According to the crankcase and the grouping mark
on the balance shaft to choose the appropriate
balance shaft bearing.
Balance bearing bush matching table
Balance shaft diameter grouping
Crankcase
balance shaft
hole grouping
Correct bearing bush color identifi cation
yellow
red
◆ According to the group mark on the connecting rod
and crankshaft select the appropriate connecting rod
bearing.
Connecting rod bearing bush optional form
Crankshaft connecting rod diameter grouping
Connecting rod
large aperture
grouping
Correct bearing bush color identifi cation
A
white
B
blue
3-4-24
1
2
blue
blue
red
white
Ⅰ
white
blue
A
B
Green
blue
3
Green
Green
blue
Ⅱ
Green
blue
C
Green
white