Suzuki DF 40, Service Manual

Page: 357 / 405

10 DF40/50 “K7” (’07) MODEL
CRANKSHAFT/CONROD
LOWER UNIT
Design specification thickness for shim & washer.
Item Unit
Data
DF40 DF50
Conrod small end inside
diameter
STD mm (in) 18.003 – 18.011 (0.7088 – 0.7091)
Conrod big end oil clearance STD mm (in) 0.020 – 0.040 (0.0008 – 0.0016)
Limit mm (in) 0.065 (0.0026)
Conrod big end inside
diameter
STD mm (in) 41.000 – 41.018 (1.6142 – 1.6149)
Crank pin outside diameter STD mm (in) 37.982 – 38.000 (1.4954 – 1.4961)
Crank pin outside diameter
difference
(out-of-round and taper)
Limit mm (in) 0.010 (0.0004)
Conrod bearing thickness STD mm (in) 1.486 – 1.502 (0.0585 – 0.0591)
Conrod big end side
clearance STD mm (in) 0.100 – 0.250 (0.0039 – 0.0098)
Limit mm (in) 0.350 (0.0138)
Conrod big end width STD mm (in) 21.950 – 22.000 (0.8642 – 0.8661)
Crank pin width STD mm (in) 22.100 – 22.200 (0.8700 – 0.8740)
Crankshaft center journal
runout
Limit mm (in) 0.04 (0.002)
Crankshaft journal oil
clearance STD mm (in) 0.020 – 0.040 (0.0008 – 0.0016)
Limit mm (in) 0.065 (0.0026)
Crankcase bearing holder
inside diameter
STD mm (in) 49.000 – 49.018 (1.9291 – 1.9298)
Crankshaft journal outside
diameter
STD mm (in) 44.982 – 45.000 (1.7709 – 1.7717)
Crankshaft journal outside
diameter difference
(out-of-round and taper)
Limit mm (in) 0.010 (0.0004)
Crankshaft bearing
thickness
STD mm (in) 1.999 – 2.015 (0.0787 – 0.0793)
Crankshaft thrust play STD mm (in) 0.11 – 0.31 (0.004 – 0.012)
Limit mm (in) 0.35 (0.014)
Crankshaft thrust bearing
thickness
STD mm (in) 2.470 – 2.520 (0.0972 – 0.0992)
Pinion gear back-up shim mm (in) 1.0 (0.04)
Forward gear back-up shim mm (in) 1.0 (0.04)
Forward gear thrust washer mm (in) 2.0 (0.08)
Reverse gear thrust washer mm (in) 2.0 (0.08)
Reverse gear back-up shim mm (in) 1.0 (0.04)