Crankshaft Bearing - DAELIM NS125DLX Service Manual

Transmission/Crankshaft/Crank Case
Inspection
● Place the crankshaft on a stand or V-block, and
check the journal vibration.
Service limit: Right side 0.1mm (0.004in)
Left side 0.1mm(0.004in)
● Measure the side gap between the connecting rod
big end and the crank weight.
● Check the vertical shaft play of the connecting
rod big end from the X and Y direction.
Service limit: 0.05mm (0.002in)

Crankshaft Bearing

● Remove the transmission and crankshaft.
Inspection
● Manually turn the bearing inner race to see if it
rotates smoothly.
● Check the outer race to see if it is accurately
pressed into the case.
● If the outer race is excessively loose, or is loosely
pressed into the case, remove it and replace with
a new one.
11-8
Checking
point
Dial
gauge
Bearing
Oil seal
Dial
gauge
Feeler
gauge