Main Journal Bearing - Honda NSS250S Manual

MAIN JOURNAL BEARING

BEARING REMOVAL/INSPECTION
Remove the crankshaft (page 14-7).
Clean off any oil from the bearings.
Check the bearings for abnormal wear, damage or
peeling and replace them if necessary.
MAIN JOURNAL OIL CLEARANCE
Remove the crankshaft (page 14-7).
Clean off any oil from the bearings.
Measure the main journal bearing I.D. at between
the bearing groove and crankcase outer side end of
the bearing, and 90° to the index mark.
Clean off any oil from the crankshaft main journals.
Measure and record the crankshaft main journal
O.D.
SERVICE LIMIT: 39.976 mm (1.5739 in)
Calculate the main journal bearing I.D.-to-crankshaft
main journal O.D. clearance (main journal oil clear-
ance).
SERVICE LIMIT: 0.07 mm (0.003 in)
If the clearance exceeds the service limit, select the
bearing (page 14-12).
MAIN JOURNAL
Set the special tool and hydraulic press on the out-
side of the crankcase.
TOOLS:
Collar, 40 x 42.7 mm
Driver base, 48.4 x 56 mm
maxiscooter-club.ru
07965-VM00100
07946-KM90600
CRANKCASE/CRANKSHAFT/BALANCER
MAIN JOURNAL BEARINGS
INDEX MARK
90°
MAIN JOURNAL BEARINGS
DRIVER BASE
INSIDE:
OUTSIDE:
MEASURING POINT
COLLAR
BEARINGS
14-11