Yamaha 20C, Owner'S Manual

Page: 112 / 203

4-3
GB
EMK12011*
SPECIFICATION DATA
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 30GW
Item
DIMENSIONS
PERFORMANCE
8
Overall Length mm (in.)
8
Overall Width mm (in.)
8
Overall Height S / L / Y / X mm (in.)
8
Transom height S / L / Y / X mm (in.)
8
Weight S / L / Y / X kg (lb.)
609 (24.0)
358 (14.1)
1,141 (44.9)/ 1,268 (49.9)/ 1,316 (51.8)/ 1,354 (53.3)
423 (16.7)/ 550 (21.7)/ 598 (23.5)/ 636 (25.4)
55.5 (122)/ 57 (126)/ 57.5 (127)/ 59 (130)
8
Full throttle operating range r/min
8
Maximum outputt kW
8
Idling speed r/min
4,500~5,500
22.1 @ 5,000 r/min
1,100~1,200
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 capacity V-AH (kc)
8
Alternator output V-A (W)
8
Starting carburetion system
2-stroke, L2
496 (30.27)
72.0
´
61.0 (2.83
´
2.40)
C.D.I system
BR8HS-10
0.9~1.0 (0.035~0.039)
Remote control
Manual/ Electric start
12-40 (144) ~ 70 (252)
12-6
Choke valve start system
DRIVE UNIT
8
Gear positions
Gear ratio
8
Trim/tilt system
8
Propeller mark
Forward-Neutral-Reverse
2.08 (13:27)
Manual
F
FUEL AND OIL
TIGHTENING TORQUE
8
Fuel
Fuel tank capacity L (US gal, Imp gal)
8
Recommended engine oil
Fuel/oil ratio
8
Recommended gearcase oil
Gear oil capacity cm 3 (US oz, Imp oz)
Regular grade gasoline (petrol)
25 (6.60, 5.50)
YAMALUBE, TWO STROKE MOTOR OIL FOR MARINE or
an equivalent TC-W3 certified outboard oil
1:100
Hypoid gear oil (SAE 90)
320 (10.8, 11.3)
61R-9-73-4A (GB,F,ES) 5/12/00 9:27 AM Page 6