Specifications And Requirements; Specifications - Yamaha F2.5 Owner's Manual

EMU38091

Specifications

TIP:
"(AL)" stated in the specification data below
represents the numerical value for the alumi-
num propeller installed.
EMU2821S
Dimension and weight:
Overall length:
F2.5MHA 623 mm (24.5 in)
F4MHA 750 mm (29.5 in)
F6MHA 750 mm (29.5 in)
Overall width:
F2.5MHA 345 mm (13.6 in)
F4MHA 403 mm (15.9 in)
F6MHA 403 mm (15.9 in)
Overall height S:
F2.5MHA 1021 mm (40.2 in)
F4MHA 1040 mm (40.9 in)
F6MHA 1040 mm (40.9 in)
Overall height L:
F2.5MHA 1148 mm (45.2 in)
F4MHA 1168 mm (46.0 in)
F6MHA 1168 mm (46.0 in)
Motor transom height S:
F2.5MHA 432 mm (17.0 in)
F4MHA 440 mm (17.3 in)
F6MHA 440 mm (17.3 in)
Motor transom height L:
F2.5MHA 559 mm (22.0 in)
F4MHA 568 mm (22.4 in)
F6MHA 568 mm (22.4 in)
Dry weight (AL) S:
F2.5MHA 17 kg (37 lb)
F4MHA 27 kg (60 lb)
F6MHA 27 kg (60 lb)
Dry weight (AL) L:
F2.5MHA 18 kg (40 lb)
F4MHA 28 kg (62 lb)
F6MHA 28 kg (62 lb)

Specifications and requirements

Performance:
Power unit:
Full throttle operating range:
F2.5MHA 5250–5750 r/min
F4MHA 4000–5000 r/min
F6MHA 4500–5500 r/min
Rated power:
F2.5MHA 1.8 kW (2.5 HP)
Rated power:
F4MHA 2.9 kW (4 HP)
F6MHA 4.4 kW (6 HP)
Idle speed (in neutral):
F2.5MHA 1800-2000 r/min
F4MHA 1450-1550 r/min
F6MHA 1450-1550 r/min
Type:
4-stroke OHV S1 2valves
Total displacement:
F2.5MHA 72 cm³ (4.4 c.i.)
F4MHA 139 cm³ (8.5 c.i.)
F6MHA 139 cm³ (8.5 c.i.)
Bore × stroke:
F2.5MHA 54.0 × 31.5 mm (2.13 × 1.24
in)
F4MHA 62.0 × 46.0 mm (2.44 × 1.81 in)
F6MHA 62.0 × 46.0 mm (2.44 × 1.81 in)
Ignition system:
F2.5MHA TCI
F4MHA CDI
F6MHA CDI
Spark plug (NGK):
F2.5MHA BR6HS
F4MHA CR6HSB
F6MHA CR6HSB
Spark plug gap:
0.6–0.7 mm (0.024–0.028 in)
Steering system:
Tiller handle
Starting system:
Manual starter
17