Subaru-robin EX13 User Manual Page 91
- Page / 113
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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2. DESCRIPTION OF FUEL SYSTEM
This engine is equipped with electronic fuel
injection.
The fuel system consists of a throttle body
assembly, power generation module, wire
harness, cylinder head air pulse hose, fuel
pressure return pipe and a fine mesh fuel filter.
The fuel system is calibrated after careful testing for optimum all-round performance (including
starting, acceleration, fuel consumption, output power characteristics). Special attention is also
paid to the general-purpose use of the engine.
(For further information, refer to page 9, section “5.THROTTLE BODY”.)
THROTTLE BODY A
Y
WIRE HARNESS CP
FUEL TANK CP
UNION
(FINE MESH FUEL FILTER)
FUEL PIPE
(FUEL INLET)
FUEL PIPE
(RETURN)
POWER COIL CP
ELBOW
SUS MESH
Throttle body assembly
Wire harness
Fuel pressure return pipe and a fine mesh fuel filter
Power generation module
Cylinder head air pulse hose
This engine is equipped with electronic fuel
injection.
The fuel system consists of a throttle body
assembly, power generation module, wire
harness, crankcase air pulse hose, fuel pressure
return pipe and a fine mesh fuel filter.
- EX13,17,21,27 1
- SP170,SP210 1
- Robin America, Inc 2
- CONTENTS 3
- 1. SPECIFICATIONS 4
- 2. PERFORMANCE 5
- 2-4 PERFORMANCE CURVES 6
- 3. FEATURES 10
- Fig. 4-1 11
- Fig. 4-2 11
- Fig. 4-3 11
- Fig. 4-4 11
- 4-5 PISTON RINGS 12
- 4-7 VALVE ARRANGEMENT 12
- 4-8 CYLINDER HEAD 12
- 4-6 CAMSHAFT 12
- 4-13 IGNITION SYSTEM 13
- 4-11 LUBRICATION SYSTEM 13
- 4-10 COOLING SYSTEM 13
- 4-9 GOVERNOR SYSTEM 13
- 4-12 TIMING CHAIN 13
- Fig.4-12 14
- Fig.4-13 14
- Fig.4-14 14
- Fig.4-15 14
- Fig. 4-16 15
- Fig. 4-17 16
- Fig. 5-1 17
- Fig. 5-2 18
- Fig. 5-3 19
- Fig. 5-4 20
- FUEL PIPE 21
- Fig. 5-9 23
- Fig. 5-10 Fig. 5-11 23
- Fig. 5-8 24
- Fig.5-12 25
- Fig. 5-14a 26
- Fig. 5-13 26
- Fig. 5-14b 26
- Fig. 5-17 28
- Fig.5-19 28
- Fig.5-18b 28
- Fig.5-18a 28
- Fig.5-20 29
- Fig.5-21 29
- Fig.5-22 30
- Fig.5-23 31
- Fig.5-24 31
- Fig.5-25 31
- Fig.5-29 32
- Fig.5-30 32
- Fig.5-31 33
- Fig.5-33 33
- Fig.5-32 33
- Fig. 5-34 34
- Fig.5-35 34
- Fig.5-36 34
- Fig. 5-37 35
- Fig. 5-38a 35
- Fig.5-38b 35
- Model EX21 36
- Models EX13, 17 and 36
- 27 mounting positions 36
- Fig. 5-41a 37
- (11) MOUNTING THE TENSIONER 38
- Fig. 5-44 39
- Fig. 5-43 39
- TIMING MARK 39
- BALANCER GEAR 39
- CRANKSHAFT GEAR 39
- Intake valve side 40
- Exhaust valve side 40
- Electrode gap 0.6 mm - 0.7 mm 41
- Tightening torque 42
- 7.0 - 9.0 N・m 42
- (70 - 90 kgf・cm) 42
- (5.1 - 6.5 ft・lb.) 42
- Fig. 5-54 43
- Fig. 5-55 44
- Fig. 5-58 45
- Fig. 5-57 45
- Fig. 5-59a 46
- Fig. 5-59b 46
- Fig. 5-60 47
- Fig. 5-59c 47
- Fig. 5-62 48
- Fig. 5-61 48
- 6. ENGINE OIL 50
- 7. MAGNETO 51
- Fig. 7-1(a) 52
- Fig. 7-1(b) 52
- 7-4 IGNITION SYSTEM (EX27) 53
- Fig. 8-2 54
- Fig. 8-1 54
- Fig. 8-3 55
- Fig. 8-4 55
- ※ Oil sensor as option 55
- 9. ELECTRIC STARTER 56
- 9-3 COMPONENT PARTS 57
- (Models EX17 and EX21) 57
- (Model EX27) 57
- Fig.10-1 58
- Fig.10-2 58
- Fig.10-3 58
- Fig. 11-2 59
- Fig. 11-1 59
- 12. CARBURETOR 60
- Fig. 12-2 61
- Fig. 12-1 61
- Fig. 12-3 62
- Fig. 13-1 64
- Fig. 13-2 65
- Fig. 13-4 65
- Fig. 13-3 65
- Fig. 13-5 66
- Fig. 13-6 66
- Fig. 13-7 66
- Fig. 13-8 67
- Fig. 13-9 67
- Fig. 13-11 68
- Fig. 13-10 68
- 14. INSTALLATION 69
- 14-5-1 BELT DRIVE 70
- 14-5-2 FLEXIBLE COUPLING 70
- 15. TROUBLESHOOTING 71
- Poor output 72
- OverheatRough Idling 72
- LECTRIC STARTER 74
- KEY SWITCH 75
- RING GEAR 76
- PINION GEA 76
- 16. STANDARD REPAIR TABLES 77
- Unit: mm (in.) 78
- 16-2 TIGHTENING TORQUE 83
- 17. MAINTENANCE AND STORAGE 84
- 17-8 ENGINE STORAGE 85
- SERVICE INFORMATION 87
- 2. DESCRIPTION OF FUEL SYSTEM 91
- 3. DISASSEMBLY AND REASSEMBLY 92
- 4. WIRING DIAGRAM 97
- 5. THROTTLE BODY 98
- PULSING PRESSURE 99
- 6. INSTALLATION 101
- 7. TROUBLESHOOTING 102
- ENGINE WILL NOT START 105
- Engine does not start 105
- 8. MAINTENANCE AND STORAGE 106
- 9. ORGANIZE 108
- PRINTED IN THE USA 113
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