Item Unit
MF EF
EP
Model
Fuel and oil
Type of fuel
Unleaded regular octane gasoline (Research octane number 90 or more)
Fuel tank capacity L (G) 12 (3.17)
Starting fuel enrichment system Choke valve
Fuel pump Mechanical (plunger) pump
Type 4 stroke engine (motor) oil
Grade API SE, SF, SG, SH, SJ, SL, SM
SAE 10W-30, 10W-40
NMMA FWC certification 10W-30/40
Amount of oil L 1.0 (after oil filter is replaced)
Type Hypoid gear oil
Grade API GL-5
SAE #90
Amount of oil cm
3
(fl · oz) 370 (12.5)
Lower unit
Gear shift F-N-R
Gear ratio 2.15(13 : 28)
Type of gear Spiral bevel gear
Type of clutch Dog clutch
Propeller shaft driving Spline
Propeller rotation (direction) Clockwise as viewed from stern at forward shift (F)
Propeller (standard) S Mark 9.9 : DS9(9P), 15, 20 : DS10(10P)
L Mark 9.9 : DS8(8P), 15, 20 : DS9(9P)
UL Mark 9.9 : DS8(8P), 15, 20 : DS9(9P)
*1
*1
Engine oil Gear oil
Power unit
Engine type 4 stroke
No. of cylinders 2
Total displacement cm
3
(c.i) 351 (21.41)
Valve system OHC Crossflow
Bore x Stroke mm(in) 61 X 60 (2.40 X 2.36)
Compression ratio 9.2
Shift operation Front shift (manual) Remote control
Starting system Recoil starter
Recoil starter & starter motor
Lubrication system Wet sump (trochoid pump)
Cooling system Cooling water (rubber impeller)
Exhaust system Thru-hub exhaust system
Ignition system Flywheel magneto (CD ignition)
Ignition timing BTDC 5°- BTDC35°
Spark plug NGK DCPR6E
Alternator output 12V - 145W (12A)
Fuel feed system Horizontal butterfly system
(9.9C , 15C and 20C are equipped with acceleration pump)
*1 Both API and SAE requirements are to be met.
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