Yamaha 25A Owner's Manual page 80

EMK10011*
Item
DIMENSIONS
8Overall Length
8Overall Width
8Overall Height
8Transom height
8Weight
PERFORMANCE
8Full throttle operating range
8Maximum output
8Idling speed
ENGINE
8Type
Number of cylinder
Displacement
Bore stroke
8Ignition system
8Spark plug
Spark plug gap
8Control system
8Starting system
8Battery capacity
Minimum cold crank performance
Minimum reserve capacity
8Alternator output
8Starting carburetion system
DRIVE UNIT
8Gear positions
Gear ratio
8Trim/tilt system
8Propeller mark
FUEL AND OIL
8Fuel
Fuel tank capacity
8Recommended engine oil
Oil tank capacity
8Fuel/oil ratio
8Recommended gearcase oil
Gear oil capacity
TIGHTENING TORQUE
8Spark plug
8Propeller nut
SPECIFICATION DATA
Model
mm (in.)
mm (in.)
S/L mm (in.)
S/L mm (in.)
S/L kg (lb.)
kW (HP)
cm
mm (in.)
mm (in.)
Amps at –17.8°C (0°F)
minutes at 26.7°C (80°F)
V-A (W)
L (US gal, Imp gal)
L (US qt, Imp qt)
cm 3 (US oz, Imp oz)
N•m (kgf•m, lb•ft)
N•m (kgf•m, lb•ft)
Unit
662 (26.1)
307 (12.1)
— /1,261 (49.6)
— /545 (21.5)
— /62.0 (136.7)
r/min 4,500~5,500
22.1 (30) at 5,000 r/min
r/min 700~800
2-stroke, L
3
3 (cu.in.) 496 (30.3)
59.5
C.D.I system
NGK
B7HS-10
0.9~1.0 (0.035~0.039)
Remote control
Electric start
V-AH
12-40~70
210
40
12V-6A
Choke start system
Forward-Neutral-Reverse
1.85 (24/13)
Manual
F
Regular-unleaded gasoline
(P.O.N.: minimum 86)
25 (6.6, 5.5)
YAMALUBE 2 STROKE OUTBOARD OIL or
an equivalent TC-W3 certified outboard oil.
Engine: 0.9 (1.0, 0.8)
—
Hypoid gear oil (SAE 90)
370 (12.5, 13.0)
25 (2.5, 18)
35 (3.5, 25)
4-3
30ERA
59.5 (2.3 2.3)
E