3-76 ENGINE
CRANKSHAFT THRUST BEARING
• With the crankshaft and thrust bearing 1 inserted in the
upper crankcase, measure the thrust clearance by using the
thickness gauge.
$ Thrust clearance:
Standard: 0.100 – 0.200 mm (0.0039 – 0.0078 in)
% 09900-20803: Thickness gauge
• If the thrust clearance exceeds the standard range, adjust the
thrust clearance by the following procedures.
CRANKSHAFT THRUST CLEARANCE ADJUSTMENT
• Remove the thrust bearing and measure its thickness with a
micrometer.
• If the thickness of the thrust bearing is below standard,
replace it with a new one and once again perform the thrust
clearance measurement listed above, checking to make sure
it is within standard.
• Select a thrust bearing from the selection table. (!3-77)
$ Thrust bearing thickness:
Standard: 2.250 – 2.550 mm (0.0886 – 0.1004 in)
% 09900-20205: Micrometer (0 – 25 mm)
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