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Subaru Robin Power Products EH63V - page 1
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CONTENTS Section Tifle Page 1 . SPECIFICATIONS ....................................................................................................... 1 2 . PERFORMANCE ........................................................................................................ 2 2-1 MAXIMUM OUTPUT ....................................................... ...
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Section Title Page 8 . CARBURETOR ........................................................................................................ 47 8-1 OPERATION AND FUNCTION ....................................................................................... 47 8-2 COMPORNENT PARTS ..................................................................... ...
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1 SPECIFICATIONS MODEL Type Bore x Stroke Piston Displacement Compression Ratio Maximum Output Max. Torque Direction of Rotation Cooling system Valve Arrangement Lubrication Lubricant Capacity of Lubricant Caburetor Fuel Fuel Feed System Ignition System Spark Plug Charging Capacrty Starting System Governor System Air Cleaner Dry Weight Dimensions ( ...
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Subaru Robin Power Products EH63V - page 5
2. PERFORMANCE 2-1 MAXIMUM OUTPUT The maximum output is the output of a .n engine with its throttle valve fully open all the moving parts are properly broken in after the initial break-in period. led under the c mdition that A new engine may not produce full maximum output while its moving parts are still not broken-in. NOTE : Power curves shown in ...
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Subaru Robin Power Products EH63V - page 6
2-3 PERFORMANCE CURVES EH63V 15 (20.1 1 t 10 (1 3.4) 5 (6.7) MAXIMUM TORQUE .I I MAXIMUM HORSEPOWER - I t I N-m (kgf-m) 45 (4.59) t 35 (3.57) 2000 2400 2800 3200 3600 SPEED - r.p.m - 3- ...
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Subaru Robin Power Products EH63V - page 7
EH65V 15 (20.1 10 (1 3.4) 5 (6.7) X /1 /MAXIMUM TORQUE I I MAXIMUM HORSEPOWER I I I 2000 2400 2800 3200 3600 SPEED - r.p.m N-m W 3 0 K 35 (3.57) 0 F /" - 4- ...
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Subaru Robin Power Products EH63V - page 8
3. FEATURES The overhead valve arrangement is adopted for ensuring high power, low fuel consumption and low oil consumption. The adoption of twin-cylinder in the angle of 90 degree (V arrangement) and crankcase in one piece, plastic blower housing etc. offers a compactness and light weight, making the arrangements for installing the engine much eas ...
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Subaru Robin Power Products EH63V - page 9
4. GENERAL DESCRIPTION OF ENGINE COMPONENTS /" ROBIN EH63V/ 65V series engine is air-cooled, 4-stroke, twin-cylinder, OHV arrangement gasoline en- gine. The twin-cylinder is located in the angle of 90 degree; #I cylinder is in the RH side and #2 cylinder in LH side as viewed from flywheel (cooling fan) side. 4-1 CYLINDER AND CRANKCASE The twin ...
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Subaru Robin Power Products EH63V - page 10
4-4 CONNECTING ROD AND PISTON The connecting rod is forged aluminum alloy, and its large and small ends function as bearings. The piston is an aluminum alloy casting, and car- ries two compression rings and one oil ring. Fig. 4-4 4-5 PISTON RINGS The piston rings are made of special cast iron. The profile of the top ring is barrel face and the seco ...
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Subaru Robin Power Products EH63V - page 11
4-7 CYLINDER HEAD The cylinder head is an aluminum die-casting which utilizes semi-spherical type combustion chamber for the high combustion efficiency. 4-8 VALVE ARRANGEMENT The intake valve is located on flywheel side of the cylinder head. The cooling fins and passages design lead cool- ing air to the exhaust valve area for the optimum cooling. H ...
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Subaru Robin Power Products EH63V - page 12
4-10 COOLING SYSTEM The large fins on the flywheel provide sufficient cooling air capacity for cylinder and cylinder head. The cylinder baffle helps the cooling air flow effi- ciently. 4-11 LUBRICATION SYSTEM The engine is furnished with full pressure lubrica- tion system. The trochoid type oil pump is driven by crankshaft and delivers pressurized ...
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Subaru Robin Power Products EH63V - page 13
4-14 CARBURETOR The engine is equipped with a horizontal draft car- buretor that has a float controlled fuel system and a fixed main jet. The carburetors are calibrated carefully for sure starting, good acceleration, less fuel consumption and sufficient output. Fuel cut solenoid valve is provided to prevent en- gine running on when the key switch i ...
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4-17 SECTIONAL VIEW OF ENGINE / oti PUMP CRANKSHAFT Fig. 4-15 CAMSHAFT - 11 - ...
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OIL PRESSURE SWITCH FUEL PUMP CRANKSHAFT PISTON RING CARBURETOR ROCKER COVER ELECTRIC SPARK PLUG CYLINDER INTAKE AND STARTER HEAD EXHAUST VALVES Fig. 4-16 - 12 - ...
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Subaru Robin Power Products EH63V - page 16
5. DISASSEMBLY AND REASSEMBLY 5-1 PREPARATIONS AND SUGGESTIONS When disassembling the engine, memorize the locations of individual parts so that they can be reas- sembled correctly. If you are uncertain of identifying some parts, it is suggested that tags be attached to them. Have boxes ready to keep disassembled parts by group. To prevent losing a ...
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Subaru Robin Power Products EH63V - page 17
5-3 DISASSEMBLY PROCEDURES w Step Fasteners Remarks and procedures Parts to remove ,"-. Engine oil drain located on both sides of crankcase. 1 Drain engine oil by removing plugs OIL DRAIN Fig. 5-2 - 14- ...
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Step Fasteners Remarks and procedures Parts to remove 2 Air cleaner cover and elements Remove breather pipe from #1 M6 nut ; 2 pcs. cylinder head. 3 Air cleaner base CLEANER COVER BREATHER PIPE Fig. 5-4 CLEANER BASE GASKET, cleaner /- /””“ ”_ Fig. 5-3 15 - ...
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Subaru Robin Power Products EH63V - page 19
Parts to remove I Remarks and procedures I Fasteners 1 I I I I I I I 1 /1 1 4 I Fuel pump bracket I Remove pulse pipe and fuel pipe. M6x14 ; 1 pce. M6x28 ; 1 pce. I 5 Rotating screen and Blower housing M4x20 ; 4 pcs. M6x14 ; 6 pcs. -/ M4 SCREW AND WASHER : 4 pcs. PULSE PIPE 4 RT U I FUEL FILTER I”’ Fig. 5-5 - 16- ...
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Subaru Robin Power Products EH63V - page 20
Step Fasteners Remarks and procedures Parts to remove Carburetor governor rod, rod spring and choke 6 Take out carburetor along with control rod. Governor lever and speed control bracket INSULATOR @ SPACER M6 NUT : 1 pce. GOVERNOR M5 BOLT AND WASHER : 1 pce. CHOKE LEVER FLANGE BOLT CHOKE CONTROL : 1 pce. ! ROD LE M5 BOLT AND WASHER : 1 pce. RET ...
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Subaru Robin Power Products EH63V - page 21
Step 1 Parts to remove I Remarks and procedures I Fasteners I 8 Ignition cojl /? 1. Take out plug cap. 4. Disconnect stop wires from ignition 3. Cut out stop wire fixing bands. washer ; 4 pcs. 2. Remove ignition coil. M6x30 bolt & coil. 9 I Intake manifold M8 flange nut ; I 4pcs. I I I 10 Flywheel Remove flywheel from crankshaft by spring washe ...
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Subaru Robin Power Products EH63V - page 22
I I I I Step Fasteners Remarks and procedures Parts to remove M6x18 ; 2 pcs. 11 Regulator Cylinder baffles (#1, #2, #3, #4) M6x12 ; 6 pcs. to IGNITION COIL to IGNITION COIL - FLANGE BOLT : 4 pcs. CYLINDER BAFFLE 5 FLANGE BOLT : 2 pcs. CYLINDER BAFFLE 1 Fig- 5-10 - 19- ...
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Step M8x65 ; 2 pcs. Electric starter 13 Fasteners Remarks and procedures Parts to remove 14 M5x20;4pcs. Charge coil 15 NGK : BPGES or BPRGES Spark plug I SPARK PLUG Fig. 5- 1 I - 20- ...
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Parts to remove I Remarks and procedures I Fasteners 16 Rocker cover M6x12 ; 4 pcs. 17 Cylinder head, Push rod, Rocker arm and oil filler Temporally fit the flywheel, when MlOx65 ; 8 pcs. removing rocker arm, turn and adjust flywheel at TDC with the marking "T faced to "1 I' or "2" on each cylinder head. PIVOT BOLT pivot : ...
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Step Fasteners Remarks and procedures Parts to remove Intake & exhaust valves 18 Breather plate Breather cover /? EXHAUST VALVE Fig. 5-13 - 22- ...
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Subaru Robin Power Products EH63V - page 26
Parts to remove I Remarks and procedures I Fasteners I Main bearing cover *Oil pump 'Oil filter *Oil pressure switch *Oil relief spring & ball Take out key from PTO shaft. edge. not to damage oil seal by key groove M8x75 ; 3 pcs. Wrap PTO shaft with polyvinyl tape M8x44 ; 7 pcs. Fig. 5- 16 GOVERNOR GEAR SHAFT M8 FLANGE MAIN BEARING SHAFT, ...
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Subaru Robin Power Products EH63V - page 27
Step Fasteners Remarks and procedures Parts to remove Camshaft and tappet Mate the markings both on 20 crankshaft gear and camshaft gear and then take out camshaft. r? Fig. 5- 18 h. i '. p""""' 9 TAPPET - Fig. 5-1 7 - 24- ...
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Subaru Robin Power Products EH63V - page 28
Step 21 22 ~~ ~ Parts to remove Piston and Connecting rod 'Piston pin clips 'Piston pin 'Piston rings Crankshaft CUP - PISTON PIN CONNECTING Ill v -cup PISTON RING ~ ~ ~~ Remarks and procedures Fasteners 1. Remove connecting rod bolts. 2. Take out connecting rod cap. M8 ; 4 pcs. 3. Push the connecting rod upwards and take out along ...
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Subaru Robin Power Products EH63V - page 29
Step Fasteners Remarks and procedures Parts to remove Crankcase *Leaf valve 23 *Governor lever shaft CRANKCASE 7 LEAF VALVE / RETAINER PLATE M4 SCREW AND WASHER : 2 pcs I " /- SNAP PIN GOVERNOR SHAFT LEVER Fig. 5-21 - 26- ...
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Subaru Robin Power Products EH63V - page 30
5-4 REASSEMBLY PROCEDURES 5-4-1 PRECAUTIONS FOR REASSEMBLY 1) Clean parts thoroughly before reassembly. Pay most attention to cleanliness of piston, cylinder, crankshaft, connecting rod and bearings. 2) Scrape off all carbon deposits from cylinder head, piston top and piston ring grooves. 3) Check lip of oil seals. Replace oil seal if the lip is da ...
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Subaru Robin Power Products EH63V - page 31
B. CYLINDER HEAD. VALVES and ROCKER ARM ~ NOTE ; Clean valves and wash cylinder head thoroughly. Remove carbon and gum deposits from the valves, seats, ports and guides. Inspect valves, valve seats and varve guides. * Replace valves that are badly burned, pitted or warped. Valve guides should be replaced when valve stem cIearance exceeds specificat ...
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m C. PISTON and CONNECTING ROD (1) Install oil ring first, then second ring and top ring. Spread ring only far enough to slip over piston and into correct groove. Use care not to distort ring. NOTE ; * Install second ring with punched mark beside the gap face upward. * Top ring can be fit either way. * As for oil ring, rails should be placed on and ...
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Subaru Robin Power Products EH63V - page 33
D. Main bearina cover and aovemor aear (1) Insert washer into governor gear shaft. (2) Insert governor gear along with sleeve into governor gear shaft. (3) Insert ball and spring into the oil relief valve hole and tighten bolt by the specified torque. Tightening Torque : 6.9 - 8.8 N - m (70 - 90 kg acm, 5.1 - 6.5 ft - Ib.) (4) Tighten oil drain plu ...
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Subaru Robin Power Products EH63V - page 34
2) PISTON and CONNECTING ROD (1) Install piston and connecting rod assembly into cylinder by using a piston ring compressor to hold piston rings. Note: The "1 'I mark of the connecting rod for #I cylinder and "2" mark for #2 cylin- der should be faced to the main bear- ing cover side when assembled. Apply enough oil to piston ri ...
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Subaru Robin Power Products EH63V - page 35
4) Adjust crankshaft end play (1) Adjust end play to the specified values using the proper spacer. The proper spacer may be determined following manner. i ) Measure the depth "A" (From the mating surface to the boss.) ii) Measure the height "B" (From the mating surface to the crank gear.) - - - - - (B= 0 - 0) (A+0.36)-B= SIDE CL ...
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Subaru Robin Power Products EH63V - page 36
5) MAIN BEARING COVER (1) Put a oil seal guide onto PTO shaft portion to avoid damaging the main bearing cover oil seal. (2) Place gasket onto the mating surface of crankcase. (3) Lubricate oil seal lip potion and bearing surfaces, and install main bearing cover. Tighten bolts evenly to the specified torque. I Tightening Torque : d 6.7 - 18.6 N-m ( ...
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Subaru Robin Power Products EH63V - page 37
7) CYLINDER HEAD n NOTE ; Be sure to check dowel pin, and replace with new one if damaged. A (1) Place new head gasket onto crankcase. (2) Install #I and #2 cylinder heads. Tighten bolts evenly in three steps by the specified torque. Tightening torque 1 st step 2 nd step I Final Step 9.8 N .rn (24.6-30.4 ft . Ib.) (1 4.5 ft Ib.) (7.2 ft - Ib.) (340 ...
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Subaru Robin Power Products EH63V - page 38
9) VALVE CLEARANCE ADJUSTMENT NOTE : Temporally fit the flywheel in position for easy operation. (1) Rotate crankshaft clockwise to the TDC (top dead center) of compression stroke by matching the (2) Loosen the nut on rocker am and turn the pivot to adjust the clearance between rocker arm and valve mark "T" of flywheel with the mark " ...
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Subaru Robin Power Products EH63V - page 39
10) ROCKER COVER Install rocker cover with new gasket. lightening Torque : 6.9 - 8.8 N - m (70 - 90 kg - cm) (5.1 - 6.5 ft . Ib.) 11) BREATHER PIPE and COVER Attach breather plate (breather valve) and breather cover to crankcase using proper gaskets. Put breather plate in such position as its reed valve opens outside. (30 - 50 kg - cm) Note: Never ...
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Subaru Robin Power Products EH63V - page 40
13) CHARGE COIL Install charge coil with the wiring located at 5- o’clock position. lightening Torque : 1.5 - 3.4 N - m (15 - 35 kg - cm) (1.1 - 2.5 ft . Ib.) 14) ELECTRIC STARTER Install electric starter. Tightening Torque : 16.7 - 18.6 N * m (170 - 190 kg - cm) (1 2.3 - 13.7 ft - Ib.) CHARGE CPlL ELECTRIC STARTER M8 FLANGE BOLT : 2 pcs. Fig. 5- ...
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Subaru Robin Power Products EH63V - page 41
15) OIL FILLER and SUPPORT (BLOWER HOUSING) Install oil filler and support (blower housing) 16) CYLINDER BAFFLE Attach cylinder baffle #I, #2, #3 and #4. 17) REGULATOR Attach regulator to cylinder baffle. M6 FLANGE BOLT : 4 pcs. 77 CYLINDER BAFFLE 5 A Fig. 5-39 - 38- M6 FLANGE BOLT : 2 pcs. ...
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Subaru Robin Power Products EH63V - page 42
18) FLYWHEEL (1) Wipe off oil and grease thoroughly from tapered portion of crankshaft and flywheel center hole. (2) Install flywheel to crankshaft and tighten flywheel nut with spring washer and washer. Tightening Torque : 83.3 - 93.1 N - m (850 - 950 kg - cm) (61.5 - 68.7 ft * Ib.) 19) INTAKE MANIFOLD Set gasket (special paper) onto both #I and # ...
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Subaru Robin Power Products EH63V - page 43
22) GOVERNOR LEVER Attach governor rod and rod spring between governor lever and carburetor throttle lever, and insert the ,-. governor lever to governor shaft. Tighten locking bolt temporarily. 23) SPEED CONTROL LEVER and CHOKE LEVER Attach governor spring between governor lever and speed control lever as shown in the illustration. Attach chock co ...
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Subaru Robin Power Products EH63V - page 44
24) ADJUST GOVERNOR SYSTEM (1) Turn the speed control lever all the way to- ward the high speed position and fix it by tight- ening nut. (2) Check that governor lever is pulled by gover- nor spring and carburetor throttle valve is fully open. (3) Turn governor shaft counterclockwise all the way and tighten lock bolt to secure the lever on the shaft ...
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Subaru Robin Power Products EH63V - page 45
28) OIL PRESSURE SWITCH Install oil pressure switch onto main bearing cover. Tightening Torque : 5.9 - 9.8 N - m (60 -'IO0 kg - cm) (4.3 - 7.2 ft * Ib.) Apply oil to O-ring and install oil filter by tighten- ing about 314 turns after attaching main bearing cover surface. lightening Torque : About 12.3 N - m (About 125 kg * cm) (About 9.0 ft - ...
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Subaru Robin Power Products EH63V - page 46
32) ENGINE OIL Refill engine oil and start the engine. Engine oil will be lubricated oil passages and oil filter. Check the engine oil level and refill again to the upper level of oil level gauge. Note: * Total engine oil capacity is about 2.0 L. * Use "SE" (API classification) or higher grade engine oil. OIL LEVEL GAUGE OIL FILLER LEVEL ...
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Subaru Robin Power Products EH63V - page 47
6. MAGNETO 6-1 OPERATION AND FUNCTION The ignition system is a pointless flywheel magneto with automatic advancing characteristic. Being different from the breaker point type ignition system, this system is completely free from such troubles as starting-up failure due to dirty, burnt or corroded point surface. The electronic automatic advancing ens ...
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Subaru Robin Power Products EH63V - page 48
(2) At lower engine revolution, when the flywheel reached the ignition point the low speed ignition timing control circuit operates to run the base current 13 to turn the signal transistor A "ON" allowing the current I1 to bypass as current 14. At this moment the power transistor turns "OFF" and the current h is abruptly shut re ...
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Subaru Robin Power Products EH63V - page 49
7. LUBRICATION SYSTEM 7-1 OPERATION AND FUNCTION Full lubrication system is adopted, in combination with torchoid oil pump and cartridge type oil filter. * The trochoid type oil pump is driven by camshaft, and delivers pressurized engine oil to the journal and *The engine oil in the oil pan is fed through the oil pump filter into oil pump and the e ...
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8. CARBURETOR 8-1 OPERATION AND FUNCTION w I1 1 cum U Fig. 8-1 - 47- ...
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Subaru Robin Power Products EH63V - page 51
8-1 -1 FLOAT SYSTEM The float system is consists of a float and a float valve, and maintains a constant fuel level during engine ~ operation. The fuel flows from the fuel tank into the float chamber through float valve. When the fuel rises to a specific level, the float rises, and when its buoyancy and fuel pressure are balanced, the float valve cl ...
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Subaru Robin Power Products EH63V - page 52
8-2 COMPORNENT PARTS 1. Carburetor Ass’y 2. Slow jet Ass’y 3. Main nozzle 4. Float 5. Float valve 6. Float pin 7. Float chamber gasket 8. Float chamber compl. 9. Passage cover gasket - 10. Passage cover 11. Screw 12. Throttle shaft Ass’y 13. Choke shaft Ass’y 14. Choke lever Ass’y - 15. 16. 17. 18. 19. 20. 21. 22. 23. 24 25 26 27 28 Q. 8- ...
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Subaru Robin Power Products EH63V - page 53
9. ELECTRIC STARTER I NOTE; For Electric starter operation, electric wiring should be connected among etectric starter, key switch and battery as shown in the diagram. 9-1 Oil Warning Lamp (Option Parts) """"" """"" t; """ If, I "-0 ,I I,,, I,,, ~IIOI I,,, I,,,, r----T i 12V-30A ...
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Subaru Robin Power Products EH63V - page 54
9-2 COMPORNENT PARTS 1. Starting motor Ass’y 2. Armature Ass’y 3. Thrust washer kit 4. Pinion stopper set 5. Yoke Ass’y 6. Rear cover Ass’y 7. Starter metal 8. Brush holder Ass’y 9. Brush (-) 10. Brush set 11. Brush spring 12. Pinion Ass’y 1 3. Gear case Ass’y 14. Starter metal Fig. 9-3 15. Gear case metal cover 16. Dust cover kit 17. ...
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Subaru Robin Power Products EH63V - page 55
IO. TROUBLESHOOTING The following three conditions must be fulfilled for satisfactory engine start. (1) The cylinder filled with a proper fuel-air mixture. (2) Good compression in the cylinder. (3) Good spark, properly timed, to ignite the mixture. The engine cannot be started unless these three conditions are met. There are also other factors whic ...
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Subaru Robin Power Products EH63V - page 56
10-2 STARTING DIFFICULTIES Phenomenon 1. Low engine speed at starting 2. Ignition system malfunction 3. Fuel system malfunction 4. Engine core components malfunction Possible causes Remedy 1) Battery discharged Clean or repair 3) Poor connection between battery and ground Clean or repair 2) Poor connection between battery and starter motor Charge b ...
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Subaru Robin Power Products EH63V - page 57
10-3. INSUFFICIENT OUTPUT 2. Ignition system malfunction 3. Fuel system malfunction I 4. Low intake air volume Possible causes 1 ) Loosen spark plug 2) Cylinder head gasket leakage 3) Piston ring(s) seizure or wear 4) Piston or cylinder wear 5) Incorrect valve and seat contact 6) Valve stem seizure 7) Improper valve clearance 1) Spark plug faulty 2 ...
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Subaru Robin Power Products EH63V - page 58
10-5. ROUGH IDLING Possible causes I Remedy ~ I I I I 1) Low idling speed I Adjust I I 2) Carburetor slow system passage clogged I Check and clean 2. Intake svstem svstem 1) Air mixing from connecting portion of air intake Check , tighten or replace gasket 3. Cylinder I head I 1) Cylinder head gasket faulty (blow-by) I Replace 1) Improper valve cle ...
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Subaru Robin Power Products EH63V - page 59
10-7. HIGH FUEL CONSUMPTION Phenomenon I Possible causes ~ Remedy I ~ 1) Over-size main jet I Replace 1. Fuel system chamber 2) Needle valve faulty and/or high fuel level in float Adjust or replace I 3) Chock valve does not open fully. Repair or replace 2. Engine core 1) Low compression Check or repair Check and adjust load and/or engine speed 10-8 ...
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Subaru Robin Power Products EH63V - page 60
10-9. ENGINE MISFIRE Phenomenon Remedy Possible causes 1) lmprpper spark plug gap or damaged electrode 2) ignition coil faulty Clean, adjust or replace Replace 3) Damaged ignition system wirings Replace 1. Ignition system 4) Poor connection of ignition system wirings 1) Lean or rich aidfuel mixture 2) Carburetor clogged 3) Improper idling adjustmen ...
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Subaru Robin Power Products EH63V - page 61
11. INSTALLATION Engine life, ease of maintenance and inspection, frequency of checks and repairs, and operating cost all depend on the way in which the engine is installed. Review the following instructions carefully for installing the engine. 11 -1 INSTALLING When mounting the engine, carefully examine its position, the method of connecting it to ...
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Subaru Robin Power Products EH63V - page 62
12. SERVICE DATA 12-1 CLEARANCE DATA AND LIMITS ITEM CYLINDER HEAD Flatness Valve seat contact width Valve guide inside dia. IN. EX. Unit : mm (in: EH63V / 65V STD 0.05 or less (0.002 or less) 0.7 - 1.0 (0.028 - 0.039) 6.035 - 6.053 (0.2376 - 0.2383) Limit 0.1 (0.004) 2.0 (0.079) 6.15 (0.242) c - 59- ...
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Subaru Robin Power Products EH63V - page 63
Unit : mm (in) I CYLINDER inside dia. ITEM STD * Roundiness after reboring. * Cylindricity after reboring. PISTON * Piston size (At skirt in thrust direction) t 1 st reboring 2 st reboring STD 1 sto/s 2nd o/s ~~ STD ~ EH63V / 65V 80.000 - 80.01 9 (3.1496 - 3.1504) 80.250 - 80.269 (3.159 - 3.160) 80.500 - 80.51 9 (3.169 - 3.170) 0.01 (0.004) 0.01 5 ...
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Subaru Robin Power Products EH63V - page 64
Unit : mm (in) EH63V / 65V ITEM 'ISTON ' Ring groove side clearance Piston pin hole ' Piston pin outside dia. ' Clearance between piston and cylinder at skirt area. Piston ring end gap 2nd Oil ring TOP 2nd Oil ring STD 0.05 - 0.09 (0.0002 - 0.0035) 0.03 - 0.07 (0.0012 - 0.0028) 0.057- 0.175 (0.0022 - 0.0069) 20.989 - 21.002 (0.8 ...
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Subaru Robin Power Products EH63V - page 65
CONNECTING ROD * Big end inside dia. Clearance between big end and crankpin * Small end inside dia. * Clearance between small end and piston pin 120' * Big end side clearance CRANKSHAFT Journal dia. Unit : rnm (in) EH63V 165V STD 39.000 - 39.016 (1 -5354 - 1.5361) 0.030 - 0.060 (0.0012 - 0.0024) 21.01 0 - 21.023 (0.8272 - 0.8277) 0.010 - 0.032 ...
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Subaru Robin Power Products EH63V - page 66
Unit : mm (in) :AMSHAFT Cam height (IN. and EX.) ITEM E a ’ Journal outside dia. “D” type JALVE ’ Valve stem outside dia. ‘Clearance between vatve stem dia. and valve guide. ‘ Valve clearance f IN. Ex. IN. w. lN. / EX. (cold) EH63V / 65V STD 36.1 - 36.3 (1.4213 - 1.4291) 19.967 - 19.980 (0.786l - 0.7866) 5.970 - 5.985 (0.2350 - 0.2356) ...
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Subaru Robin Power Products EH63V - page 67
ITEM FAPPET I Stem outside dia. I Guide inside dia Tappet guide clearance dALVE SPRING FREE LENGTH ~~~~ ~~ ~~~ ~~~ ~ ~ VALVE SEAT ANGLE (IN. and EX.) ' Valve cutter angle (a) ' Valve contact width (b) H - 64- Unit : mm (il EH63V/65V ~ STD 8.960 - 8.975 (0.3528 - 0.3533) 9.00 - 9.015 (0.3543 - 0.3549) 0.025 - 0.055 (0.001 0 - 0.0022) 39.5 ...
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Subaru Robin Power Products EH63V - page 68
12-2 TORQUE SPECIFICATIONS Tightening Torque N-m ft-l b. Kg-cm ITEMS Breather cover 12.3 - 13.7 170 - 190 16.7 - 18.6 Main bearing cover bolts 12.3 - 13.7 170 - 190 16.7 - 18.6 Intake manifold bolts 5.1 - 6.5 70 - 90 6.9 - 8.8 Ignition coil 61 -5 - 68.7 850 - 950 83.3 - 93.1 Flywheel nut 24.6 - 30.4 340 - 420 33.3 - 41.2 Cylinder head bok 16.3 - 19 ...
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Subaru Robin Power Products EH63V - page 69
12-3 OIL GRADE CHART Use oil classified as SE or higher. Multi-grade oil tends to increase its consumption at high ambient temperature. Comparison between oil viscosity and temparature Single grade Specified Lubricant Quality Multi- grade I I I I 5w * I- I I I 20 w I #EO 1 L #30 1 I I II #40 1 1OW-30 I I I 1 OW-40 1 I I I I I I 1 J I I I I I I I - ...
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Subaru Robin Power Products EH63V - page 70
13. MAINTENANCE AND STORAGE 13-1 DAILY MAINTENANCE Every day before operating engine, check the following items; __~ ~~ ~~ ~ ~ MAINTENANCE ITEMS Governor linkage is especially sensitive to dust. 1) Clean away dust and chaff from engine. REMARKS r 2) Check fuel leakage from fuel system. If any, retighten fasteners or replace necessary parts. ~ ~~ ~ ...
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Subaru Robin Power Products EH63V - page 71
Maintenance Items Clean engine and check bolts and nuts Check and refill engine oil Change engine oil (‘Note 1) Check battery electrolyte fluid level Clean spark plug Clean air cleaner Clean fuel strainer Replace air cleaner element Clean and adjust spark plug and electrodes Replace engine oil filter (*Note I) Clean carburetor Clean cylinder head ...
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Subaru Robin Power Products EH63V - page 72
13-3 ENGINE STORAGE (1) Change the engine oil and perform the daily maintenance items above mentioned. (2) Drain fuel from carburetor float chamber. (3) To prevent rust in the cylinder bore, apply oil through the spark plug hole and turn the crankshaft several turns by hand. Reinstall the plug. (4) Turn the crankshaft by hand and leave it where the ...
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Subaru Robin Power Products EH63V - page 73
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Subaru Robin Power Products EH63V - page 74
SU6ARU ~bin America, Inc. 940 Lively Blvd. l Wood Dale, IL 60191 l Phone: 630-350~8200 l Fax: 630-350-8212 e-mail: sale.s@robinamerica.com l www.robinamerica.com PRINTED IN THE USA I ...
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