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● Connection rod big end side clearance
● Oil film clearance of connection rod big end
(1) Wipe off the oil on the surface of crankshaft neck.
(2) Set the plastic wire feeler at the crankshaft neck and install the connection rod. Tighten the bolt
to the prescribed torque, pay attention that don’t revolve the crankshaft. The tighten torque is 8 to
10N.m.
(3) Disassemble the connection rod, measure the plastic wire feeler thickness.
(4) Replace the connection rod if the clearance exceeds the service limit and measure the
clearance again. Grind the crankshaft neck if the new clearance still exceeds the service limit, and
use the connection rod less than the standard valve.
塑料线塞尺
Standard(mm) Service limit(mm)
0.1-.0.4 0.8
Standard(mm) Service limit(mm)
0.040-0.066 0.120
Plastic gauge
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