Crank Balancer Journal Bearing - Suzuki GW250 Service Manual

CRANK BALANCER JOURNAL BEARING

INSPECTION
• Inspect each bearing of upper and lower crankcases for any
damage.
SELECTION
• Place the plastigage axially along the crank balancer journal
as shown.
 09900-22301: Plastigage (0.025 – 0.076 mm)
• Mate the lower crankcase with the upper crankcase.
• Tighten the crankshaft journal bolts (M:8) and crankcase bolts
(M:6) to the specified torque. (3-73)
NOTE:
Never rotate the crank balancer when a piece of plastigage is
installed.
 Crankshaft journal bolt (M:8):
Initial: 15 N·m (1.5 kgf-m, 11.0 lbf-ft)
Final: 26 N·m (2.6 kgf-m, 19.0 lbf-ft)
Crankcase bolt (M:6):
11 N·m (1.1 kgf-m, 8.0 lbf-ft)
• Remove the lower crankcase and measure the width of the
compressed plastigage using the envelope scale. This mea-
surement should be taken at the widest part of the com-
pressed plastigage.
 Crank balancer journal oil clearance:
Standard: 0.020 – 0.044 mm (0.0008 – 0.0017 in)
Service Limit: 0.080 mm (0.031 in)
• If the oil clearance exceeds the service limit, select the speci-
fied bearings from the bearing selection table.
ENGINE 3-59
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