Specifications – Subaru Robin EX13 User Manual
Page 90

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1. SPECIFICATIONS
Model
EX21D
Type
Air-Cooled, 4-Cycle, Slant Single-Cylinder,
Horizontal P .T .O . Shaft, OHC Gasoline Engine
Bore & Stroke
mm (in.)
67 x 60 (2 .64 x 2 .36)
Piston Displacement
ml (cu.in.)
211 (12 .87)
Compression Ratio
8 .5
Continuous Output
kW(HP)/r.p.m.
3 .2(4 .4)/3000
3 .7(5 .0)/3600
Maximum Output
kW(HP)/r.p.m.
5 .1(7 .0)/4000
Maximum Torque
N
•
m / r.p.m.
(kgf
•
m / r.p.m.)
(ft
•
lb. / r.p.m.)
13 .9/2500
(1 .41/2500)
(10 .26/2500)
Direction of Rotation
Counterclockwise as viewed from the P .T .O . shaft side
Valve Arrangement
Overhead cam system
Cooling System
Forced air cooling system
Lubrication System
Splash lubrication system
Lubricant
Automobile engine oil ; Grade SE or higher (SG,SH or SJ in recomended)
SAE 10W-30-----Under ordinary atmospheric temperatures
SAE 5W-30-------In cold areas
Capacity of Lubricant
L
0 .6
Throttle body
Electronic Fuel injection
Fuel
Automobile unleaded gasoline
Fuel Consumption Rate
g/kW
•
h (g/HP
•
h)
367 (270) at continuous rated output
Fuel Supply System
Diaphragm pump (Pulse type)
Fuel Tank Capacity
L
3 .6
Ignition System
Transistorized magneto
Spark Plug
NGK BR-6HS
Starting System
Recoil starter
Governor System
Centrifugal flyweight system
Dry Weight
kg (lb.)
16 (35 .28)
Dimensions (L x W x H)
mm (in.)
321 x 369 x 335 (12 .6 x 14 .5 x 13 .2)