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

EMU38092

Specifications

TIP:
"(AL)" stated in the specification data below
represents the numerical value for the alumi-
num propeller installed.
EMU2821U
Dimension and weight:
Overall length:
F2.5AMH 623 mm (24.5 in)
F4BMH 750 mm (29.5 in)
F5AMH 750 mm (29.5 in)
F6CMH 750 mm (29.5 in)
Overall width:
F2.5AMH 345 mm (13.6 in)
F4BMH 403 mm (15.9 in)
F5AMH 403 mm (15.9 in)
F6CMH 403 mm (15.9 in)
Overall height S:
F2.5AMH 1021 mm (40.2 in)
Overall height L:
F2.5AMH 1148 mm (45.2 in)
F4BMH 1168 mm (46.0 in)
F5AMH 1168 mm (46.0 in)
F6CMH 1168 mm (46.0 in)
Motor transom height S:
F2.5AMH 432 mm (17.0 in)
Motor transom height L:
F2.5AMH 559 mm (22.0 in)
F4BMH 568 mm (22.4 in)
F5AMH 568 mm (22.4 in)
F6CMH 568 mm (22.4 in)
Dry weight (AL) S:
F2.5AMH 17 kg (37 lb)
Dry weight (AL) L:
F2.5AMH 18 kg (40 lb)
F4BMH 28 kg (62 lb)
F5AMH 28 kg (62 lb)
F6CMH 28 kg (62 lb)

Specifications and requirements

Performance:
Power unit:
Full throttle operating range:
F2.5AMH 5250–5750 r/min
F4BMH 4000–5000 r/min
F5AMH 4500–5500 r/min
F6CMH 4500–5500 r/min
Rated power:
F2.5AMH 1.8 kW (2.5 HP)
Rated power:
F4BMH 2.9 kW (4 HP)
F5AMH 3.7 kW (5 HP)
F6CMH 4.4 kW (6 HP)
Idle speed (in neutral):
F2.5AMH 1800–2000 r/min
F4BMH 1450–1550 r/min
F5AMH 1450–1550 r/min
F6CMH 1450–1550 r/min
Type:
4-stroke OHV S1 2 valves
Total displacement:
F2.5AMH 72 cm³ (4.4 c.i.)
F4BMH 139 cm³ (8.5 c.i.)
F5AMH 139 cm³ (8.5 c.i.)
F6CMH 139 cm³ (8.5 c.i.)
Bore × stroke:
F2.5AMH 54.0 × 31.5 mm (2.13 × 1.24
in)
F4BMH 62.0 × 46.0 mm (2.44 × 1.81 in)
F5AMH 62.0 × 46.0 mm (2.44 × 1.81 in)
F6CMH 62.0 × 46.0 mm (2.44 × 1.81 in)
Ignition system:
F2.5AMH TCI
F4BMH CDI
F5AMH CDI
F6CMH CDI
Spark plug (NGK):
F2.5AMH BR6HS
F4BMH CR6HSB
F5AMH CR6HSB
F6CMH CR6HSB
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