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Subaru Robin Power Products
EY20V, EY15V manual
Models:
EY20V
EY15V
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Troubleshooting
Install
Dimension
Maintenance
CONNECTING ROD and PISTON
DISASSEMBLY and REASSEMBLY
OrderProcedures
Tappet Adjustment
Air Cleaner
How to
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Contents
Page
ROBIN
ROBIN TO WISCONSIN ROBIN
EY08
EH15
FEATURES
CONTENTS
How To Disassemble
How To Reassemble
10-2 Basic Theory ofT .I.C
Model
1. SPEC1FICATIONS
EY15V
EYPOV
2 - 2 CONTINUOUS RATED OUTPUT
2. PERFORMANCE
2-3 MAXIMUM TORQUE and FUEL CONSUMPTION RATIO a t MAXIMUM OUTPUT
3. FEATURES
4 - 1 CYLINDER,CRANKCASE
4. GENERAL DESCRIPTION of ENGINECONSTRUCTION
4 - 2 MAINBEARINGCOVER
4-3 CRANKSHAFT
4-5 CAMSHAFT
4-4 CONNECTING ROD and PISTON
4-6 VALVEARRANGEMENT
Exhaust Valve
4 - 9 COOLING
4-7 CYLINDERHEAD
4-10 LUBRICATION
4-112CARBURETOR
4-111 IGNITION
4-14 SECTIONAL VIEW of ENGINE MODEL EY15V
MODEL EY15V
Air Cleaner
Muffler Cover
Crankshaft
MODEL EY20V
’piston Pin Main Bearing Cover Oil Scraper
Oil Filler’
MODEL EY20V
5- 1 PREPARATIONS and SUGGESTIONS
5. DISASSEMBLY and REASSEMBLY
5 - 2 SPECIAL TOOLS
ApplicalbeShape Model
Tool
Choke Rod
5-3 HOW TO DISASSEMBLE
Order
Lock Bolt
Flywheel Puller
Tool
Plastic Hammer
Tool
Procedures
OrderProcedures
RemarksTool
Order Item
~Sequesnceand precautionsin reassembling
0 Precaution in reassembling
5 - 4 MOW TO REASSEMBLE
CONNECTING ROD TO CRANK
3 Dimensions of Crankshaft Pin
CONNECTINGPISTON ROD TO
EY15V
5-4-2 PISTON and PISTON RING
5 - 4 - 4 TAPPET and CAMSHAFT
5 -4-3 CONNECTING ROD
E Y20
E Y I S
5 - 4 - 5 MAINBEARING COVER
Install the main bearing cover to the crankcase
3O53
5-4-6 INTAKE and EXHAUST VALVES
VALVE and VALVE GUIDE CLEARANCE
EY15V
Fit t-heoil seal to the valve stem. Only for EY201
5-4-7 TAPPET ADJUSTMENT
Front should be this side
kg-cm
5-4-1 FUEL TANK BRACKET
5 -4-1 3 CARBURETOR and ITS RELATIVE PARTS
6 -2 BREAKERPOINTADJUSTMENT Fig.41
MAGNETO
to 6-3TIMING ADJUSTMENT
6-1 MAGNETO
Note Refer tosection 4-11 IGNITION and 4-13 CHECKS and CORRECTIONS
6-3 TIMING ADJUSTMENT See Figs. 42,43 and
“SPARK TESTING
6 - 4 MAGNETOTROUBLESHOOTING
6-5 SOLIDSTATE IGNITION
T.I.C. TRANSISTORIGNITIONCIRCUIT
The point where the governorspring is to be hooked
7. GOVERNORADJUSTMENT
Discrimination accordingto the dimensions
l-”4
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8- 1- 1 FLOAT SYSTEM
8. CARBURETOR
8-2 DISASSEMBLY and REASSEMBLY
air jet
8-2-3 PILOT SYSTEM
8-2-5 FLOAT SYSTEM
8 - 2 - 4 MAIN SYSTEM
I HP
9. BREAK-IN OPERATION of REASSEMBLEDENGINE
10-1 FEATURES
IO. ROBIN SOLID STATE IGNITION ENGINE
10-2 BASIC THEORY of T.I.C. See Fig
11- 1 STARTING DIFFICULTIES
1 1- 1 - 1 FUEL SYSTEM
11-3 ENGINE STOPS
11-2ENGINGEMIFIRES
11- 4 ENGINE OVERHEATS
11-6 ENGINEBACKFIRES through CARBURETOR
11-5 ENGINEKNOCKS
12-4 POWER TRANSMISSION to DRIVENMACHINES
12. INSTALLATION
12-4-1 BELT DRIVE
12-2 VENT1LATION
BREAKER POINT IGNITION TYPE
12-5 WIRING
SOLID STATE IGNITION TYPE
Black
13. CHECKS and CORRECTIONS
L-l=
14. TABLE of CORRECTIONSTANDARDS
EY20
0.25
0.04
1.o 1.o
0.037-0.063
0.05
0.10*0.02
0.05
0.25
ENGINE MODEL
MODEL
2.2/3000
USE LIMIT cc/hr
0.56
EY20
EY20
EY15
5/400
15-1 DAILY CHECKS and MAINTENANCE
15. MAINTENANCE and STORING
15-2 EVERY 20 HOURS CHECKS and MAINTENANCE
15-3 EVERY 50 HOURS IO DAYSCHECKS and MAINTENANCE
15-6 EVERY 1000 HOURS YEARLY CHECKS and MAINTENANCE
15-5 EVERY 500 - 600 HOURS SEMIANNUAL CHECKS and MAINTENANCE
15-7 PREPARATiON for LONGABEYANCE
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