Rato 739cc Part Diagrams and Lists
| R740D (R 739, R 740 etc.) | |||
| FIG.1 CYLINDER HEAD ASSEMBLY (E03) | |||
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| REF.NO. | PART NO | DESCRIPTION | Q'TY |
| E03-1 |
12034-Z120110-00A0
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CYLINDER HEAD COVER BOLT GASKET + WASHER SUBASSEMBLY
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2 |
| E03-16 | |||
| E03-2 | 12411-Z130110-00A0 | COVER, CYLINDER HEAD | 1 |
| E03-3 | 12004-Z130110-00A0 | CYLINDER HEAD COVER GASKET | 2 |
| E03-4 | 30010-Z120210-00A0 | PLUG, SPARK | 2 |
| E03-5 | 12003-Z080110-00A0 | CYLINDER HEAD BOLT | 8 |
| E03-6 | 12140-Z130510-00A0 | HEAD SUBASSEMBLY, CYLINDER | 1 |
| E03-7 | 12210-Z130510-00A0 | HEAD SUBASSEMBLY, RIGHT CYLINDER | 1 |
| E03-8 | 90502-1220-00A0 | POSITION PIN | 4 |
| E03-9 | 12131-Z3P0110-00A0 | GASKET, CYLINDER HEAD | 4 |
| E03-10 | 12134-Z3P0110-00A0 | CORE VENEER | 2 |
| E03-11 | 90204-0845-A1A0 | STUD BOLT | 4 |
| E03-12 | 90203-Z010110-00A0 | STUD BOLT | 4 |
| E03-13 | 12411-Z130210-00A0 | COVER, CYLINDER HEAD | 1 |
| E03-14 | 15031-Z120110-Q5A0 | PLUG, ENGINE OIL | 1 |
| E03-15 | 90681-Z080210-00A0 | RING, SEAL | 1 |
| E03-17 | 12032-Z130210-00A0 | CYLINDER HEAD COVER BOLT | 2 |
| E03-18 | 90007-0816-A1A0 | BOLT | 1 |
| E03-20 | 12008-Z130110-00A0 | LUG | 1 |
| E03-21 | 90013-Z130210-00A0 | BOLT， HEXAGONAL FLANGE SHOULDER | 1 |
| FIG.2 CRANKCASE ASSEMBLY (E01) | |||
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| REF.NO. | PART NO | DESCRIPTION | Q'TY |
| E01-1 | 11310-Z3P0312-00A0 | CRANKCASE SUBASSEMBLY. | 1 |
| E01-2 | 90501-Z010110-00A0 | COTTER PIN | 2 |
| E01-3 | 90408-V010110-00A0 | FLAT WASHER | 1 |
| E01-4 | 16061-Z120110-00A0 | ARM, GOVERNOR | 1 |
| E01-5 | 90682-Z130220-00A0 | SEAL, OIL | 1 |
| E01-6 | 90412-Z080110-00A0 | FLAT WASHER | 2 |
| E01-7 | 11007-Z080110-00A0 | BOLT, DRAIN PLUG | 2 |
| E01-8 | 90682-Z130120-00A0 | SEAL, OIL | 1 |
| E01-9 | 11331-Z1X0110-0000 | STRAINER, BREATH GROOVE | 1 |
| E01-10 | 11320-Z120120-00A0 | STOP ENGINE PIECE SUBASSEMBLY | 1 |
| E01-11 | 11332-Z130130-00A0 | GASKET, BREATH GROOVE | 1 |
| E01-12 | 11332-Z120120-00A0 | GASKET, BREATH GROOVE | 1 |
| E01-13 | 11333-Z120121-00A0 | PLATE, BREATH GROOVE COVER | 1 |
| E01-14 | 54066-Z130110-00A0 | TENSION DISC | 1 |
| E01-15 | 90007-0630-A1A0 | BOLT | 2 |
| E01-16 | 90007-0620-A1A0 | BOLT | 2 |
| E01-17 | 90685-Z130210-00A0 | PIPE CLAMP | 1 |
| E01-18 | 17004-Z120110-00A0 | TUBE, BREATHER | 1 |
| E01-19 | 17002-Z130120-00A0 | GASKET, INLET | 2 |
| E01-20 | 12510-Z130120-00A0 | TUBE, INTAKE | 1 |
| E01-21 | 90305-0800-31A0 | HEXAGON NUT WITH FLANGE | 4 |
| E01-22 | 16300-Z1X0110-00A0 | PUMP ASSY, GASOLINE | 1 |
| E01-23 | 90007-0616-A1A0 | BOLT | 3 |
| E01-24 | 16302-Z130120-00A0 | SLEEVE, GASOLINE PUMP RUBBER | 2 |
| E01-25 | 16301-Z130130-00A0 | SUPPORT, GASOLINE PUMP | 1 |
| E01-26 | 16510-Z120111-00M0 | STRAINER, FUEL | 1 |
| E01-27 | 90685-1000-Z4A0 | PIPE CLAMP | 5 |
| E01-28 | 11017-Z120410-00A0 | NEGATIVE PRESSURE PIPE | 1 |
| E01-29 | 11017-Z120510-00A0 | NEGATIVE PRESSURE PIPE | 1 |
| E01-30 | 90686-Z120210-00M1 | TUBE, FUEL | 1 |
| E01-31 | 90686-Z130410-00M1 | TUBE, FUEL | 1 |
| E01-32 | 16030-Z120210-00A0 | SEPARATOR, GAS AND OIL | 1 |
| E01-33 | 12502-Z130130-00A0 | MOUTH, NEGATIVE PRESSURE | 1 |
| E01-34 | 37060-Z010310-00A0 | SENSOR, ENGINE OIL | 1 |
| E01-35 | 90007-0620-A1A0 | BOLT | 2 |
| E01-36 | 90685-Z120110-00A0 | PIPE CLAMP | 2 |
| E01-37 | 90305-Z010210-01A0 | HEXAGON NUT WITH FLANGE | 1 |
| E01-38 | 90685-D095-0EA0 | PIPE CLAMP | 1 |
| E01-39 | 90684-Z030120-00A0 | WIRE CLIP | 1 |
| E01-40 | 90406-0800-E1A0 | WASHER， FLAT | 1 |
| E01-41 | 16804-Z120110-00A0 | HOSE, FUEL STEAM RUBBER | 1 |
| E01-42 | 90685-D105-0EA0 | PIPE CLAMP | 1 |
| E01-43 | 90689-Z120110-00A0 | JOINT, FUEL TUBE | 1 |
| E01-44 | 11011-Z120110-00A0 | TUBE, OIL DRAIN | 1 |
| E01-45 | 90689-Z190230-02A0 | JOINT, FUEL TUBE | 1 |
| E01-46 | 15030-Z010130-Q5A0 | PLUG SUBASSEMBLY, ENGINE OIL | 1 |
| FIG.3 CRANKCASE COVER, OIL PUMP, GOVERNOR ASSEMBLY (E02) | |||
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| REF.NO. | PART NO | DESCRIPTION | Q'TY |
| E02-1 | 90001-0850-11A0 | HEXAGON SOCKET FLANGE FACE BOLT - SMALL SERIES | 7 |
| E02-2 | 90001-0855-11A0 | HEXAGON SOCKET FLANGE FACE BOLT - SMALL SERIES | 2 |
| E02-3 | 11410-Z120512-0000 | COVER SUBASSEMBLY, CRANKCASE | 1 |
| E02-4 | 90502-1014-00A0 | POSITION PIN - TYPE A | 2 |
| E02-5 | 11001-Z130120-00A0 | GASKET, CRANKCASE | 1 |
| E02-6 | 90682-Z130120-00A0 | SEAL, OIL | 1 |
| E02-7 | 15111HZ120110-00A0 | TUBE， SUCTION OIL | 1 |
| E02-8 | 90692-Z120210-00A0 | O-TYPE RUBBER SEAL RING | 1 |
| E02-9 | 90007-0625-A1A0 | BOLT | 1 |
| E02-10 | 90007-0628-A1A0 | BOLT | 2 |
| E02-11 | 90502-0810-00A0 | POSITION PIN - TYPE A | 2 |
| E02-12 | 15100-Z130110-00A0 | PUMP ASSY, OIL | 1 |
| E02-13 | 15141-Z120210-00A0 | COVER, OIL PUMP | 1 |
| E02-14 | 15161-Z130310-00A0 | SPRING, PRESSURE RELIEF VALVE | 1 |
| E02-15 | 90543-9500-00A0 | BALL, STEEL | 1 |
| E02-16 | 15211-Z120120-00A0 | STRAINER, OIL | 1 |
| E02-17 | 16400-Z130210-00A0 | GEAR ASSY, GOVERNOR | 1 |
| E02-18 | 15010HZ120320-Q9A0 | DIPSTICK SUBASSEMBLY, OIL | 1 |
| E02-19 | 15142-Z120310-00A0 | OIL PUMP SEAL GASKET | 1 |
| E02-20 | 90104-0520-51A0 | BOLT | 1 |
| E02-21 | 90681-Z090110-00A0 | RING, SEAL | 1 |
| E02-22 | 15020-Z120110-01A0 | TUBE, FUELING | 1 |
| E02-23 | 15014-Z120111-0000 | OIL DIPSTICK SEAL PLUG | 1 |
| E02-24 | 90001-0616-01A0 | BOLT | 1 |
| E02-25 | 82153-Z120210-00A0 | SCALD RESISTANT FILM (NOT PICTURED) | 2 |
| E02-26 | 82153-Z120310-00A0 | SCALD RESISTANT FILM (NOT PICTURED) |
2 |
| E02-27 | 82153-Z120410-00A0 | SCALD RESISTANT FILM (NOT PICTURED) |
1 |
| FIG.4 CRANKSHAFT, CONNECTING ROD AND PISTON ASSEMBLY (E05) | |||
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| REF.NO. | PART NO | DESCRIPTION | Q'TY |
| E05-1 | 13300-Z121012-0000 | CRANKSHAFT ASSY. | 1 |
| E05-2 | 13306-Z130110-00A0 | WASHER， THRUST | 1 |
| E05-3 | 13010-ZCB0110-00A0 | ROD, CONNECTING | 2 |
| E05-4 | 13111-Z3P0110-00A0 | PISTON | 2 |
| E05-5 | 13121-Z130110-00A0 | PIN, PISTON | 2 |
| E05-6 | 13122-Z130110-00A0 | CLIP, PISTON PIN | 4 |
| E05-7 | 13200-Z520210-0000 | RING ASSY, PISTON | 2 |
| FIG.5 VALVE TRAIN AND CAMASSEMBLY （E06） | |||
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| REF.NO. | PART NO | DESCRIPTION | Q'TY |
| E06-1 | 14310-Z130210-00A0 | ROCKER SUBASSEMBLY, VALVE | 4 |
| E06-3 | 14330-Z130310-00A0 | SHAFT, VALVE ROCKER | 4 |
| E06-5 | 14070-Z130210-00A0 | LIFTER SUBASSEMBLY, VALVE | 4 |
| E06-7 | 14081-Z130110-00A0 | TAPPET, VALVE | 4 |
| E06-8 | 12109-Z400110-00A0 | CLAMP, VALVE LOCK | 8 |
| E06-9 | 12112-Z400110-00A0 | SEAT, VALVE SPRING | 4 |
| E06-10 | 12103-Z130110-00A0 | SPRING, VALVE | 4 |
| E06-11 | 12101-Z080110-00A0 | GUIDE, SEAL | 4 |
| E06-12 | 12105-Z130110-00A0 | RETAINER, VALVE SPRING | 2 |
| E06-13 | 12110-Z130311-00A9 | VALVES SET | 2 |
| E06-15 | 14200-Z130210-00A0 | CAMSHAFT ASSY. | 1 |
| E06-16 | 14215-Z130110-00A0 | WASHER, CAMSHAFT | 1 |
| E06-17 | 14312-Z240110-00A0 | NUT, VALVE LOCK | 4 |
| FIG.6 OUTER COVER ASSEMBLY（E07） | |||
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| REF.NO. | PART NO | DESCRIPTION | Q'TY |
| E07-1 | 30028-Z130110-Q2A0 | SHIELD， SHROUD | 1 |
| E07-2 | 90103-0508-A1A0 | CROSS-RECESSED PAN HEAD SCREW | 3 |
| E07-3 | 90314-Z130210-00A0 | NUT | 4 |
| E07-4 | 19330-Z130110-Q2A0 | SHROUD ASSY. | 1 |
| E07-5 | 19303HZ130111-Q2A0 | PLATE, FAN SHIELD DECORATED | 1 |
| E07-6 | 24540-Z130110-00A0 | HANDLE SUBASSEMBLY, LOCK | 2 |
| FIG.7 OIL FILTRATION, SHROUDS AND VOLTAGE REG. ASSEMBLY （E08） | |||
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| REF.NO. | PART NO | DESCRIPTION | Q'TY |
| E08-1 | 19305-Z130110-00A0 | SHROUD 2, CYLINDER BODY | 1 |
| E08-2 | 30003-Z130110-00A0 | CONDUCTOR， UNILATERALISM | 1 |
| E08-3 | 19304-Z130110-00A0 | SHROUD, CYLINDER BODY | 1 |
| E08-4 | 19340HZ120110-01A0 | SHIELD,LOWER | 1 |
| E08-5 | 90001-0610-01A0 | HEXAGON SOCKET FLANGE FACE BOLT - SMALL SERIES | 13 |
| E08-6 | 19308-Z130120-00A0 | BODY LEFT SHIELD | 1 |
| E08-7 | 90013-Z130210-00A0 | BOLT， HEXAGONAL FLANGE SHOULDER | 1 |
| E08-8 | 12008-Z130110-00A0 | LUG | 2 |
| E08-9 | 90013-Z130210-00A0 | BOLT， HEXAGONAL FLANGE SHOULDER | 1 |
| E08-10 | 19307HZ120110-01A0 | LOWER RIGHT SHIELD | 1 |
| E08-11 | 90722-Z120110-00A0 | PLUG, END | 1 |
| E08-12 | 19309-Z130130-00A0 | BODY RIGHT SHIELD | 1 |
| E08-13 | 90692-Z120410-00A0 | O-TYPE RUBBER SEAL RING | 1 |
| E08-14 | 15229-Z120150-00A0 | OIL FILTER HOLDER | 1 |
| E08-15 | 15208-Z120130-00A0 | TUBE， OIL FILTER INSTALLATION | 1 |
| E08-16 | 15220-Z120210-00A0 | FILTER SUBASSEMBLY, OIL | 1 |
| E08-17 | 90408-Z010110-00A0 | FLAT WASHER | 2 |
| E08-18 | 19112-Z120120-00A0 | ADAPTER, COOLING PIPE | 2 |
| E08-19 | 19100-Z120110-00A0 | RADIATOR ASSY. | 1 |
| E08-20 | 90007-0620-A1A0 | HEXAGON SOCKET FLANGE FACE BOLT - SMALL SERIES | 2 |
| E08-21 | 90685-D180-0EA0 | PIPE CLAMP | 4 |
| E08-22 | 19111-Z120131-00A0 | PIPE, COOLING | 1 |
| E08-23 | 19111-Z120231-00A0 | PIPE, COOLING | 1 |
| E08-25 | 30060-Z8K0310-0000 | REGULATOR, VOLTAGE | 1 |
| E08-26 | 90681-Z090110-00A0 | RING, SEAL | 1 |
| E08-27 | 90684-Z030120-00A0 | WIRE CLIP | 1 |
| E08-28 | 80171-Z120310-00A0 | HOUSING BRACKET | 1 |
| FIG.8 CARBURETOR ASSEMBLY（E09） | |||
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| REF.NO. | PART NO | DESCRIPTION | Q'TY |
| E09-1 | 16001-Z130110-00A0 | CARBURETOR SEAL GASKET | 1 |
| E09-2 | 16002-Z130120-00A0 | GASKET, CARBURETOR INSULATOR | 1 |
| E09-3 | 12501-Z120120-00A0 | JOINT, INTAKE TUBE | 1 |
| E09-4 | 90007-0630-A1A0 | HEXAGON SOCKET FLANGE FACE BOLT - BIG SERIES - GRADE B | 2 |
| E09-5 | 90007-0665-A1A0 | HEXAGON SOCKET FLANGE FACE BOLT - BIG SERIES - GRADE B | 1 |
| E09-6 | 90692-Z120310-00A0 | O-TYPE RUBBER SEAL RING | 1 |
| E09-7 | 17112HZ120130-00A1 | TUBE, AIR CLEANER CONNECTING | 1 |
| E09-8 | 90001-0695-01A0 | HEXAGON SOCKET FLANGE FACE BOLT - SMALL SERIES | 4 |
| E09-9 | 16100-Z3P0211-00A0 | CARBURETOR ASSY. | 1 |
| E09-10 | 35665-Z120120-00A0 | LINE, SOLENOID VALVE AC | 1 |
| E09-11 | 90686-Z030310-00M1 | TUBE, FUEL | 1 |
| E09-12 | 16001-Z130210-00A0 | CARBURETOR SEAL GASKET | 2 |
| FIG.9 AIR FILTER AND HOUSING ASSEMBLY（F01） | |||
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| REF.NO. | PART NO | DESCRIPTION | Q'TY |
| F01-1 | 17100-Z120110-00A0 | AIR CLEANER | 1 |
| F01-2 | 17198HZ130110-0000 | AIR CLEANER HOLD DOWN CAP ASSY. | 1 |
| F01-3 | 17104-Z130110-0000 | COVER, AIR CLEANER CASE | 1 |
| F01-4 | 17108-Z130110-0000 | CLASP， AIR CLEANER | 1 |
| F01-5 | 17150-Z130110-00A0 | AIR CLEANER ELEMENT ASSEMBLY | 1 |
| F01-6 | 17001-Z130110-0000 | AIR CLEANER SEAL GASKET | 1 |
| F01-7 | 17140-Z120110-0000 | ELBOW SUBASSEMBLY, AIR CLEANER | 1 |
| F01-8 | 12503-Z120110-00A0 | COVER， INTAKE TUBE | 1 |
| F01-9 | 90007-0630-A1A0 | BOLT | 2 |
| F01-10 | 90107-4225-51A0 | CROSS-RECESSED PAN HEAD SELF-TAPPING SCREW | 2 |
| F01-11 | 90740-Z130120-00A0 | COLLAR | 1 |
| F01-13 | 12503-Z120210-00A0 | COVER， INTAKE TUBE | 1 |
| FIG.10 STARTER, CHARGING AND IGNITION SYSTEM （E10） | |||
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| REF.NO. | PART NO | DESCRIPTION | Q'TY |
| E10-1 | 30400-Z130310-00A0 | COIL, IGNITION | 1 |
| E10-2 | 30400-Z130410-00A0 | COIL, IGNITION | 1 |
| E10-3 | 90007-0630-A1A0 | HEXAGON SOCKET FLANGE FACE BOLT - BIG SERIES - GRADE B | 2 |
| E10-4 | 28001-Z130110-00A0 | DOUBLE HEAD SUPPORT BOLT | 2 |
| E10-5 | 28001-Z130210-00A0 | DOUBLE HEAD SUPPORT BOLT | 2 |
| E10-6 | 30140-Z8K0210-0000 | COIL SUBASSEMBLY, CHARGE | 1 |
| E10-7 | 90001-0630-01A0 | BOLT | 2 |
| E10-8 | 13500-Z120310-00A0 | FLYWHEEL ASSY. | 1 |
| E10-9 | 90407-Z130120-00A0 | 1 | |
| E10-10 | 13502-Z130110-00A0 | BOLT， FLYWHEEL | 1 |
| E10-11 | 19352-Z130110-00A0 | IMPELLER | 1 |
| E10-12 | 13515-Z130110-00A0 | TRAY, IMPELLER SETTING | 1 |
| E10-13 | 90001-0816-01A0 | HEXAGON SOCKET FLANGE FACE BOLT - SMALL SERIES | 3 |
| E10-14 | 90502-1014-00A0 | POSITION PIN - TYPE A | 2 |
| E10-15 | 30300-Z130121-00A0 | STARTING MOTOR ASSEMBLY | 1 |
| E10-16 | 90001-08B0-01A0 | HEXAGON SOCKET FLANGE FACE BOLT - SMALL SERIES | 2 |
| E10-17 | 37050-Z130110-00A0 | PROTECTOR, OIL | 1 |
| E10-18 | 90001-0610-01A0 | BOLT | 1 |
| FIG.11 THROTTLE CONTROL ASSEMBLY（E11） | |||
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| REF.NO. | PART NO | DESCRIPTION | Q'TY |
| E11-1 | 16520-Z120310-00A0 | CONTROL ASSY, THROTTLE | 1 |
| E11-2 | 16520-Z130120-00A0 | CONTROL ASSY, THROTTLE | 1 |
| E11-3 | 16063-Z130210-00A0 | SPRING, GOVERNOR | 1 |
| E11-4 | 90007-0610-A1A0 | BOLT | 2 |
| E11-5 | 16063-Z3P0111-01A0 | SPRING, GOVERNOR | 1 |
| E11-6 | 90305-0600-31A0 | HEXAGON NUT WITH FLANGE | 2 |
| E11-7 | 16072-Z010110-00A0 | BOLT, GOVERNOR SUPPORT | 1 |
| E11-8 | 16071-Z130110-00A0 | GOVERNOR BRACKET | 1 |
| E11-9 | 16062-Z120110-00A0 | ROD, GOVERNEOR | 1 |
| E11-10 | 16012-Z120210-00A0 | SPRING, THROTTLE VALVE RETURNING | 1 |
| E11-11 | 16011-Z130120-00A0 | CLIP, CHOKE ROD | 1 |
| E11-12 | 16123-Z120120-00A0 | CHOKE PULL ROD | 1 |
| E11-13 | 16236-Z130210-00A0 | SPRING, CHOKE RETURN | 1 |
| E11-14 | 16040-Z120110-00A0 | CABLE ASSY, THROTTLE | 1 |
| FIG.12 MUFFLER ASSEMBLY（F02） | |||
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| REF.NO. | PART NO | DESCRIPTION | Q'TY |
| F02-1 | 18001-Z190110-00A0 | GASKET, EXHAUST OUTLET | 4 |
| F02-2 | 90314-Z130120-00A0 | ACORN HEXAGON NUTS | 4 |
| F02-3 | 18100-ZCB0310-00A0 | MUFFLER ASSY. | 1 |
| F02-4 | 90007-0816-A1A0 | HEXAGON SOCKET FLANGE FACE BOLT - BIG SERIES - GRADE B | 2 |
| F02-5 | 18250-Z120110-00A0 | COLLECTOR, SPARK | 1 |
| F02-6 | 30360-Z120110-00A1 | SUPPORT SUBASSEMBLY, CONTROL BOX | 1 |
| F02-7 | 30350-Z120320-00A0 | STARTING CONTROL BOX | 1 |
| F02-8 | 90007-0612-A1A0 | HEXAGON SOCKET FLANGE FACE BOLT - BIG SERIES - GRADE B | 1 |