YAMAHA Marine F4A Manual De Servicio página 46

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SPEC
Item
Oil ring
Dimensions (BxT)
End gap (installed)
Wear limit
CONNECTING ROD
Small end inside diameter
Big end oil clearance
CRANKSHAFT
Crankshaft width
Crankshaft big end side clearance
Runout Limit
THERMOSTAT
ID mark
Valve opening temperature
Full-open temperature
Valve lift
FUEL PUMP
Discharge
Pressure
Plunger stroke
CARBURETOR
ID mark
Main jet
Pilot jet
Pilot screw
a
Float height
Idle speed
Trolling speed
MAINTENANCE SPECIFICATIONS
Unit
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
°C (°F)
°C (°F)
mm (in)
L (US gal, Imp gal)/h
Engine @5,000 r/min
kPa (kg/cm
mm (in)
45°
turns out
a
mm (in)
r/min
r/min
2.4 x 2.5 (0.09 x 0.10)
0.2~0.7 (0.008~0.028)
13.006~13.020 (0.5120~0.5126)
0.016~0.046 (0.0006~0.0018)
64.40~64.50 (2.535~2.539)
0.20~0.60 (0.008~0.024)
58~62 (136.4~143.6)
2
,psi)
67D00/67D10 (for USA)
#
#
1-7/8 ± 1/2 (USA : N.A.)
18.0~19.0 (0.71~0.75)
2-5
Model
F4A/F4
0.9 (0.04)
0.03 (0.0012)
S60°C
70 (158)
3 (0.12)
8 (2.11, 1.76)
50 (0.5, 7.1)
1.8~2.2 (0.07~0.09)
68
36
1,500±50
1,350±50
E

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F4

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