Yamaha 20C Service Manual page 48

SPEC
Item
Fuel and oil
Fuel type
Engine oil
Engine oil grade
Gear oil type
Gear oil grade (*4)
Gear oil quantity
Bracket unit
Trim angle (*5)
Tilt-up angle
Steering angle
Drive unit
Gear shift positions
Gear ratio
Reduction gear type
Clutch type
Propeller shaft type
Propeller direction (rear view)
Propeller ID mark
(*4) Meeting both API and SAE requirements
(*5) At 12–degree boat transom
GENERAL SPECIFICATIONS
Unit
NMMA-certified
API
SAE
L (US oz,
lmp oz)
Degree
Degree
Degree
Regular gasoline
2-stroke outboard motor oil
Hypoid gear oil
0.18 (6.09, 6.07)
4, 8, 12, 16, 20
Spiral bevel gear
2-2
Model
20CMH
TC-W3
GL-4
90
68
40 + 40
F-N-R
1.85 (24/13)
Dog clutch
Spline
Clockwise
F
E