2-5
E
Item Unit
Model
F4A/F4
Oil ring
Dimensions (BxT) 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) 13.006~13.020 (0.5120~0.5126)
Big end oil clearance mm (in) 0.016~0.046 (0.0006~0.0018)
CRANKSHAFT
Crankshaft width mm (in) 64.40~64.50 (2.535~2.539)
Crankshaft big end side clearance
mm (in) 0.20~0.60 (0.008~0.024)
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
Engine @5,000 r/min
8 (2.11, 1.76)
Pressure kPa (kg/cm
2
,psi) 50 (0.5, 7.1)
Plunger stroke mm (in) 1.8~2.2 (0.07~0.09)
CARBURETOR
ID mark 67D00/67D10 (for USA)
Main jet # 68
Pilot jet # 36
Pilot screw turns out 1-7/8 ± 1/2 (USA : N.A.)
Float height a mm (in) 18.0~19.0 (0.71~0.75)
Idle speed r/min 1,500±50
Trolling speed r/min 1,350±50
SPEC
MAINTENANCE SPECIFICATIONS
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