Features | Subaru Robin Power Products EY20V, EY15V specification

PERFORMANCE CURVE

MODEL EYZOV

1.o kg-m

0.9

5

Recommended Operating'Speed'Range-

I I I I I I I )

3000	2000		3600
	Revolution	B-	r.p.m.
	Revolution	B-

3.FEATURES

1.Compact, lightweight,durable,powerful 4-cycle air-cooled engine embodyingingenious design tech- niques and skilful workmanship.

2.Simpleconstruction,smart appearance,maximum easiness of start owing to automatic decompression device

3.For EY 15V engine Pointless Solid State igntion system is newly adopted for preventing poor igniting as option, and EY20V engine is equipped with Pointless Solid State ignition system as standard specifica- tions.

4.Reliable primemover for variety of purposeswith smooth speedcontrolby a governorunder varying load conditions.

5.Economicai because fuel consumption is very low.

6.Great versatility in installation by adopting recoil starter with eight different rope-pull directions and oil drain available at bottom and carburetorside of engine, as standaed specifications.

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Subaru Robin Power Products EY20V, EY15V manual Features

Contents

Page Wisconsin Robin Side Valve Contents Basic Theory ofT .I.C Model SPEC1FICATIONS Continuous Rated Output Performance Features Crankshaft CYLINDER,CRANKCASE Camshaft Connecting ROD and Piston6VALVEARRANGEMENT Cooling CylinderheadLubrication 112CARBURETOR 111IGNITION Model EY15V Sectional View of Engine Air Cleaner Muffler Cover Model EY20V Model EY20V Special Tools Preparations and Suggestions ApplicalbeShape Model Order 3HOW to Disassemble Tool Order Exhaust valve Main bearing cover Procedures Remarks OrderProcedures Crankshaft Precaution in reassembling~Sequesnceand precautionsin reassembling MOW to Reassemble EY15V Eyzov Dimensions of Crankshaft Pin Periphery.I Y20 5 Mainbearing Cover Valve and Valve Guide Clearance 6INTAKE and Exhaust Valves 7TAPPET Adjustment Kg-cm ’ 5-4-8CYLINDER Head Intake Manifold 1FUEL Tank Bracket 1 7 Recoil Starter 14AIRCLEANER Magneto BreakerpointadjustmentTo 6-3TIMING Adjustment Magneto Timing Adjustment See Figs ,43 C. Transistorignitioncircuit MagnetotroubleshootingSpark Testing Solidstate Ignition Point where the governorspring is to be hooked GovernoradjustmentDiscrimination accordingto the dimensions Page 1 Float System Carburetor 2 Pilotsystem Disassembly and Reassembly1 Throttle System Float System BREAK-IN Operation of Reassembledengine IO. Robin Solid State Ignition Engine FeaturesBasic Theory of T.I.C. See Fig 11- 1-2 Compression System 11- 1 Starting Difficulties 11- 4 Engine Overheats 11- 1-3ELECTRICAL System11-2ENGINGEMIFIRES 11-3ENGINE Stops Enginebackfires through Carburetor Engineknocks Exhaust Gasdischarge InstallationPower Transmission to Drivenmachines VENT1LATION Breaker Point Ignition Type WiringSolid State Ignition Type Checks and Corrections Table of Correctionstandards 1.o 10*0.02 #20 220 Every 100 200 Hours Monthly Checks and Maintenance Daily Checks and MaintenanceEvery 20 Hours Checks and Maintenance 15-3EVERY 50 Hours IO Dayschecks and Maintenance Every 1000 Hours Yearly Checks and Maintenance Every 500 600 Hours Semiannual Checks and MaintenancePREPARATiON for Longabeyance Page Page Page Page Industrial Engines