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INSPECTION AND MEASUREMENTS
• Oil clearance at big end of connecting rod
ru
Standard value
Out of the limit to use
0.015 - 0.041 mm
If 0.060 mm (0.002 in) or
0.0006 - 0.0016 in
more, it needs replacement.
• Inner diameter of small end of connecting rod
Standard value
Out of the limit to use
16.01 mm
If 16.04 mm (0.631 in) or
0.630 in
more, it needs replacement.
• Inner diameter of rocker anm
Standard value
Out of the limit to use
13.01 mm
If 13.05 mm (0.514 in) or
0.512 in
more, it needs replacement.
• Oil clearance between rocker arm and shaft
Standard value
Out of the limit to use
0.006 mm - 0.035 mm
If 0.06 mm (0.0024 in) or
0.00024 - 0.00138 in
more, it needs
replacement.
• Inner diameter (bearing) of cam shaft holder
Standard value
Upper
18.01-18.025 mm
(Cylinder head)
0.709 - 0.710 in
Lower
(Oil pump)
• Oil clearance between cam shaft and holder
Standard value . Out of the limit to use
Upper
0.02 - 0.05 mm
0.09 mm (0.0035 in)
0.0008 - 0.0020 in or more
Lower
0.02 - 0.05 mm
0.09 mm (0.0035 in)
0.0008 - 0.0020 in or more
If the oil clearance is out of the limit, replace
cylinder head and/or cam shaft and/or oil pump.
• Inner diameter of valve guide
Standard value
Out of the limit to use
5.51 mm
If 5.55 mm (0.218 in)
IN
or more, it needs
0.217 in
replacement.
5.51 mm
If 5.57 mm (0.219 in)
EX
or more, it needs
0.217 in
replacement.
EX
IN
~
WESTERBEICE
Engines & Generators
22
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