Honda NSS250S Manual page 406

CRANKCASE/CRANKSHAFT/BALANCER
Press the main journal bearings toward the inside of
the crankcase.
Measure and record the crankcase main journal I.D.
Be careful not to
at between the main journal groove and crankcase
damage the main
outer side end, and 90° to the index mark.
journal.
SERVICE LIMIT: 45.060 mm (1.7740 in)
OIL PASSAGE CLEANING
Remove the right/left crankcase socket bolts and
sealing washer.
Clean the oil passages with compressed air.
Clean the right/left crankcase socket bolt threads
and apply locking agent (coating width 6.5 ± 1.0 mm
(0.26 ± 0.04 in) from the tip of exclude 2.0 – 3.0 mm
(0.08 – 0.12 in)).
Install and tighten the right/left crankcase socket
bolts to the specified torque with new sealing
washer.
TORQUE: 23 N·m (2.3 kgf·m, 17 lbf·ft)
BEARING SELECTION
Depending upon the results of the measurements
(page 14-11) there are four possible scenarios for
main bearing selection:
• Crankshaft and crankcase are replaced
• Crankcase only is replaced
• Crankshaft only is replaced
• Main journal bearings only are replaced
Carefully refer to the following instructions and
tables for main bearing selection.
Record the bearing support I.D. code letter.
Letters A or B on each crankcase is bearing support
I.D. code.
14-12
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BEARING
90°
MAIN JOURNAL
SEALING WASHER
SOCKET BOLT
I.D. CODE
COLLAR
DRIVER BASE
INDEX MARK
SEALING WASHER
SOCKET BOLT