4-1
GB
EMK12011*
SPECIFICATION DATA
25 (2.5, 18)
55 (5,5, 40)
8
Spark plug
N•m (kgf•m, lb•ft)
8
Propeller nut
N•m (kgf•m, lb•ft)
Model
Unit
250AETO
Item
DIMENSIONS
PERFORMANCE
8
Overall Length
mm (in.)
8
Overall Width
mm (in.)
8
Overall Height
X/U
mm (in.)
8
Transom Height
X/U
mm (in.)
8
Weight
X/U
kg (lb.)
854 (33.6)
562 (22.1)
1,785 (70.3) / 1,912 (75.3)
641 (25.2) / 768 (30.2)
231 (509.3) / 236 (520.3)
8
Full throttle operating range
r/min
8
Maximum output
kW
8
Idling speed (in neutral)
r/min
4,500~5,500
183.9 at 5,000 r/min.
675 ~725
ENGINE
8
Engine type
Number of cylinders
Displacement
cm
3
(cu.in.)
Bore
×
stroke
mm (in.)
8
Ignition system
8
Spark plug
NGK
Spark plug gap
mm (in.)
8
Control system
8
Starting system
8
Battery minimum capacity
V-AH
8
Alternator output
V-A (W)
8
Starting carburetion system
2-stroke, 76°V
6
3,130 (191.0)
90.0
×
82.0 (3.54
×
3.23)
C.D.I system (Microcomputer)
BR8HS-10
0.9~1.0 (0.035~0.039)
Remote control
Electric start
12-100
12-35
Prime start system
DRIVE UNIT
8
Gear positions
Gear ratio
8
Trim/tilt system
8
Propeller mark
Forward-Neutral-Reverse
1.81 (29/16)
Power trim/tilt
T/M
FUEL AND OIL
TIGHTENING TORQUE
8
Fuel
Fuel tank capacity
L (US gal, Imp gal)
8
Recommended engine oil
Oil tank capacity
L (US qt, Imp qt)
Fuel/oil ratio
8
Recommended gear oil
Gear oil capacity
cm
3
(US oz, Imp oz)
Regular grade gasoline
—
YAMALUBE, TWO STROKE MOTOR OIL FOR MARINE
or an equivalent TC-W3 certified outboard oil
Remote: 10.5 (11.1, 9.2)
Engine: 1.2 (1.27, 1.06)
YAMAHA AUTOLUBE SYSTEM
Hypoid gear oil (SAE 90)
1,150 (38.9, 40.5)
61A-9-7A (E,F,S) 4A 4/25/01 9:41 AM Page 116
Summary of Contents for 250A
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Page 204: ...EMP00010 Chapter 6 INDEX INDEX 6 1 GB 61A 9 7A E F S 6 4 25 01 9 50 AM Page 198 ...
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