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Yamaha 25BMH Manual De Servicio página 78

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SPEC
GENERAL SPECIFICATIONS
2
Item
DIMENSIONS
Overall length
Overall width
Overall height
(S)
(L)
Boat transom height
(S)
(L)
WEIGHT
(S)
(L)
PERFORMANCE
Maximum output (ISO)
Full throttle operating range
Maximum fuel consumption
POWER UNIT
Type
Number of cylinders
Displacement
Bore and stroke
Compression ratio
Compression pressure
<Miuimum>
Spark plug(NGK)
Number of carburetor
Enrichment system
Intake system
Induction system
Exhaust system
Lubrication system
Cooling system
Ignition control system
GENERAL SPECIFICATIONS
Unit
Worldwide
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
kg (lb)
kg (lb)
kW (hp)
@5,000 r/min
r/min
L (US gal,
Imp gal)
@5,500 r/min
3
cm
(cu. in)
mm (in)
kpa (kgf/cm
psi)
kpa (kgf/cm
psi)
25BMH
1,273 (50.1)
508 (20.0)
54.5 (120.2)
18.4 (25.0)
11.0 (2.9, 2.4)
72.0 × 61.0 (2.83 × 2.40)
6.2
,
730 (7 .3, 105.9)
2
,
580 (5.8, 84.1)
2
BR7HS-10
Through propeller boss
Mixed (gasoline and oil)
2-1
Model
30HMH
843 (33.2)
399 (15.7)
1,146 (45.1)
381 (15.0)
53.0 (116.9)
22.1 (30.0)
4,500 - 5,500
12.0 (3.1, 2.6)
2 stroke
2
496 (30.3)
7 .0
740 (7 .4, 107 .3)
590 (5.9, 85.6)
BR8HS-10
1
Chock valve
Reed valve
Loop charge
Water
CDI
E

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30hmh