Specifications And Requirements; Specifications - Yamaha 20D Owner's Manual

EMU31480

Specifications

TIP:
"(AL)" stated in the specification data below
represents the numerical value for the alumi-
num propeller installed.
Likewise, "(SUS)" represents the value for
stainless steel propeller installed and "(PL)"
for plastic propeller installed.
EMU2821E
Dimension:
Overall length:
20DMHO 936 mm (36.9 in)
20DWO 615 mm (24.2 in)
25NMHO 936 mm (36.9 in)
Overall width:
20DMHO 358 mm (14.1 in)
20DWO 304 mm (12.0 in)
25NMHO 358 mm (14.1 in)
Overall height S:
1068 mm (42.0 in)
Overall height L:
1195 mm (47.0 in)
Transom height S:
419 mm (16.5 in)
Transom height L:
546 mm (21.5 in)
Weight (AL) S:
20DMHO 49.0 kg (108 lb)
20DWO 50.5 kg (111 lb)
25NMHO 49.0 kg (108 lb)
Weight (AL) L:
20DMHO 50.5 kg (111 lb)
20DWO 52.0 kg (115 lb)
25NMHO 50.5 kg (111 lb)
Performance:
Full throttle operating range:
5000–6000 r/min
Maximum output:
20DMHO 14.7 kW@5500 r/min (20

Specifications and requirements

Engine:
Drive unit:
HP@5500 r/min)
20DWO 14.7 kW@5500 r/min (20
HP@5500 r/min)
25NMHO 18.4 kW@5500 r/min (25
HP@5500 r/min)
Idling speed (in neutral):
750 ±50 r/min
Type:
2-stroke L
Displacement:
3
395.0 cm
Bore × stroke:
67.0 × 56.0 mm (2.64 × 2.20 in)
Ignition system:
CDI
Spark plug with resistor (NGK):
BR7HS-10
Spark plug gap:
0.9–1.0 mm (0.035–0.039 in)
Control system:
20DMHO Tiller
20DWO Remote control
25NMHO Tiller
Starting system:
20DMHO Manual
20DWO Manual and electric
25NMHO Manual
Starting carburetion system:
Choke valve
Min. cold cranking amps (CCA/EN):
20DWO 347.0 A
Min. rated capacity (20HR/IEC):
20DWO 40.0 Ah
Alternator output:
20DMHO 80 W
25NMHO 80 W
Maximum generator output:
20DWO 6 A
Gear positions:
9