Suzuki DF70A - Page 20

0A-11 General Information:
Crankshaft / Conrod
Electrical
Item Unit
Data
DF70AT DF80AT DF90AT
Conrod small end inside diameter std. mm (in.) 18.003 – 18.011 (0.7088 – 0.7091)
Conrod big end oil clearance
std. mm (in.) 0.032 – 0.050 (0.0013 – 0.0020)
Limit mm (in.) 0.080 (0.0031)
Conrod big end inside diameter std. mm (in.) 45.000 – 45.018 (1.7717 – 1.7724)
Crank pin outside diameter std. mm (in.) 41.982 – 42.000 (1.6528 – 1.6535)
Crank pin outside diameter
difference (out-of-round and taper)
Limit mm (in.) 0.010 (0.0004)
Conrod bearing thickness std. mm (in.) 1.487 – 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 (0.8071 – 0.8740)
Crankshaft center journal runout Limit mm (in.) 0.04 (0.002)
Crankshaft journal oil clearance
std. mm (in.) 0.016 – 0.032 (0.0006 – 0.0014)
Limit mm (in.) 0.056 (0.0022)
Crankcase bearing holder inside
diameter
std. mm (in.) 56.000 – 56.018 (2.2047 – 2.2054)
Crankshaft journal outside diameter std. mm (in.) 51.994 – 52.012 (2.0470 – 2.0477)
Crankshaft journal outside diameter
difference (out-of-round and taper)
Limit mm (in.) 0.010 (0.0004)
Crankshaft bearing thickness std. mm (in.) 1.992 – 2.008 (0.0784 – 0.0791)
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.) 2.47 – 2.52 (0.0972 – 0.0992)
Item Unit
Data
DF70AT DF80AT DF90AT
Ignition timing
Degrees at r/
min
BTDC 0 – 26 BTDC 0 – 27
Over revolution limiter r/min 6 200 6 400
CKP sensor resistance Ω at 20 °C 168 – 252
CMP sensor resistance Ω at 20 °C—
Ignition coil resistance
Primary Ω at 20 °C—
Secondary kΩ at 20 °C—
Battery charge coil resistance Ω at 20 °C 0.10 – 0.30
Battery charge coil output (12 V) Watt 324
Standard spark plug
Type NGK DCPR6E
Gap mm (in.) 0.8 – 0.9 (0.031 – 0.035)
Fuse amp. rating A
Main fuse: 40
Starter motor: 30
Ignition coil, Injector, ECM, Fuel pump: 30
PTT switch: 10
IAC: 10
Recommended battery capacity (12 V) Ah (kC) 100 (360) or larger
Fuel injector resistance Ω at 20 °C 10 – 14
IAC valve resistance Ω at 20 °C 25 – 34
IAT sensor / Cylinder temp. sensor / Ex.
mani. temp. sensor (Thermistor
characteristic)
kΩ at 25 °C 1.8 – 2.3
ECM main relay coil resistance Ω at 20 °C 145 – 190
Starter motor relay coil resistance Ω at 20 °C 145 – 190
PTT motor relay coil resistance Ω at 20 °C 25 – 37
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