Suzuki DF 90 Service Manual page 196

6. Remove conrod and conrod cap from crank pin.
7. Using scale on Plastigauge envelope, measure Plastigauge
width at its widest point.
Conrod big end oil clearance :
Standard : 0.020 – 0.040 mm (0.0008 – 0.0016 in.)
Service limit : 0.065 mm (0.0026 in.)
If measurement exceeds service limit, replace conrod bearing.
CRANKSHAFT
Crankshaft runout
Using a dial gauge, measure runout at center journal.
09900-20602 : Dial gauge
09900-20701 : Magnetic stand
Crankshaft runout :
Service limit : 0.04 mm (0.002 in.)
If measurement exceeds service limit, replace crankshaft.
Crankshaft thrust play
Measure thrust play with crankshaft, thrust bearing, journal
bearing and crankcase/cylinder block assembled in a normal
manner.
Tighten crankcase bolts to specified torque.
Crankcase bolt :
25 N . m (2.5 kg-m, 18.0 Ib.-ft.)
8 mm
56 N . m (5.6 kg-m, 40.5 Ib.-ft.)
10 mm
Using a dial gauge, measure displacement in axial (thrust) di-
rection of crankshaft.
Crankshaft thrust play :
Standard : 0.11 – 0.31 mm (0.004 – 0.012 in.)
Service limit : 0.35 mm (0.014 in.)
POWER UNIT
Plastigauge Plastigauge
Scale Scale
6-51