SPEC
MAINTENANCE SPECIFICATIONS (F9.9C)
2-16
E
Item Unit
Model
F9.9CMH F9.9CEH F9.9CE
Oil ring
Dimensions (B x T) mm (in) 2.4 x 2.5 (0.09 x 0.10)
End gap (installed) mm (in) 0.2 ~ 0.7 (0.008 ~ 0.028)
Wear limit mm (in) 0.9 (0.04)
CONNECTING ROD
Small end inside diameter mm (in) 14.015 ~ 14.029 (0.5518 ~ 0.5523)
Big end oil clearance mm (in) 0.021 ~ 0.045 (0.0008 ~ 0.0018)
CRANKSHAFT
Crankshaft width mm (in) 126.70 ~ 126.90 (4.99 ~ 5.00)
Radial clearance mm (in) 0.05 (0.002)
Crankshaft big end side clearance
mm (in) 0.05 ~ 0.22 (0.002 ~ 0.009)
Crankcase mark - bearing color
A: Blue B: Black C: Brown
Crankshaft journal clearance mm (in) 0.012 ~ 0.045 (0.0005 ~ 0.0018)
Runout limit mm (in) 0.03 (0.0012)
THERMOSTAT
ID mark S60°C
Valve opening temperature °C (°F) 58 ~ 62 (136.4 ~ 143.6)
Full-open temperature °C (°F) 70 (158)
Valve lift mm (in) 3 (0.12)
FUEL PUMP
Discharge
L (US gal, Imp gal)/h
@ 3,000 r/min
25 (6.60, 5.50)
Pressure kPa (kg/cm
2
,psi) 117.6 (1.2, 17.07)
Diaphragm stroke mm (in) 2.4 ~ 4.8 (0.094 ~ 0.189)
Plunger stroke mm (in) 3.52 ~ 6.57 (0.139 ~ 0.259)
OIL PUMP
Type Trochoid
Outer rotor-to-housing clearance
a mm (in) 0.10 ~ 0.15 (0.004 ~ 0.006)
Outer rotor-to-inner rotor clearance
b mm (in) 0.04 ~ 0.14 (0.002 ~ 0.006)
Rotor-to-cover clearance c mm (in) 0.03 ~ 0.09 (0.001 ~ 0.004)
Relief valve operating pressure kPa (kg/cm
2
, psi)
388 ~ 450 (3.88 ~ 4.50, 55.2 ~ 64.0)
CARBURETOR
ID mark 66N00
Main jet # 68
Pilot jet # 45
Pilot screw turns out 1-1/2 ± 1/2
Float height a mm (in) 9.5 ~ 10.5 (0.37 ~ 0.41)
Idle speed r/min 950 ± 50
Trolling speed r/min 850 ± 50
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