Yamaha 25B, Owner'S Manual

Page: 122 / 214

4-1
GB
EMU00320
SPECIFICATIONS
25 (2.5, 18)
30 (3.0, 22)
8
Spark plug N•m (kgf•m, lb•ft)
8
Propeller nut N•m (kgf•m, lb•ft)
Model
Unit 25BMH
Item
DIMENSIONS
PERFORMANCE
8
Overall Length mm (in.)
8
Overall Width mm (in.)
8
Overall Height S/L/X mm (in.)
8
Transom height S/L/X mm (in.)
8
Weight S/L/X kg (lb.)
843 (33.2)
399 (15.7)
1,146 (45.1)/ 1,273 (50.1)/ 1,359 (53.5)
423 (16.6)/ 550 (21.6)/ 636 (25.0)
53 (117)/ 55 (121)/ 57 (126)
8
Full throttle operating range r/min
8
Maximum output kW
8
Idling speed r/min
4,500~5,500
18.4 @ 5,000r/min
1,050~1,150
ENGINE
8
Engine type
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
Min.cold cranking amps (CCA/EN) amps at –18°C(-0.4°F)
Min.rated capacity (20HR/IEC) A·h
8
Alternator output V-A (W)
8
Starting carburetion system
2-stroke, L2
496 (30.27)
72
×
61 (2.83
×
2.40)
C.D.I system
BR7HS-10
0.9~1.0 (0.035~0.039)
Tiller control
Manual start
—
—
12- (80)
Choke valve start system
DRIVE UNIT
8
Gear positions
Gear ratio
8
Trim/tilt system
8
Propeller mark
Forward-Neutral-Reverse
2.08 (27/13)
Manual
F
FUEL AND OIL
TIGHTENING TORQUE
8
Fuel
Fuel tank capacity L (US gal, Imp gal)
8
Recommended engine oil
Lubrication
Fuel:oil ratio Fuel:Oil
8
Recommended gearcase oil
Gear oil capacity cm 3 (US oz, Imp oz)
Regular unleaded gasoline
25 (6.60, 5.50)
YAMALUBE, TWO STROKE MOTOR OIL FOR MARINE or
an equivalent TC-W3 certified outboard oil
Premix
100:1
Hypoid gear oil (SAE 90)
320 (10.8, 11.3)
69R-9-71 (GB,F,ES) 4A 3/23/02 2:34 PM Page 4