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Generac 420cc (G19) manual

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Table of contents for the manual

  • Page 1

    ® www .generac.com or 1-888-436-3722 Engine P ar ts Manual 420cc (G19) NO TICE! The information in this manual is known to be accurate as of the date of release shown on the cover . However , engineering changes can occur without notice. T o obtain the proper parts, please be sure to use the serial number of the unit being serviced when ordering f[...]

  • Page 2

    420cc ENGINE Cylinder Head ITEM P ART NO . QTY . DESCRIPTION 1 0J35240147 6 BOL T , FLANGE 2 0J39340112 1 CO VER, V AL VE 3 0J39340113 1 GASKET , V AL VE CO VER 4 0J39340114 1 TUBE, BREA THER 5 0G84420211 4 BOL T , HEAD FLNG., 10×80 6 0G84420210 2 BOL T , STUD , EXHA UST 7 0J00620106 1 SP ARK PLUG 8 0J39340115 1 HEAD , CYLINDER 9 0J00620107 1 GASK[...]

  • Page 3

    420cc ENGINE 3 ITEM P ART NO . QTY . DESCRIPTION 1 0G84420217 2 BOL T , FLANGE 2 0G84420105 1 SWITCH ASSY ., OIL LEVEL 3 0G84420118 1 BEARING, RADIAL BALL 6202 4 0G84420218 1 W ASHER, FLA T 8*16*1.2 5 0G84420219 1 PIN, LOCK, 10MM 6 0G84420220 1 SHAFT , GO VERNOR ARM 7 0G84420108 1 SEAL, OIL 8 0G84420110 2 BOL T , DRAIN PLUG 9 0G84420109 2 W ASHER, [...]

  • Page 4

    ITEM P ART NO . QTY . DESCRIPTION 1 0G9799 2 DIPSTICK/CAP ASSY 2 0G84420221 1 GO VERNOR ASSY . 3 0G84420118 1 BEARING, RADIAL BALL 6202 4 0G84420117 1 BEARING, RADIAL BALL 6207 5 0G84420228 2 PIN, DO WEL 8×12 6 0G84420115 1 GASKET , CRANKCASE CO VER 7 0G84420116 1 SEAL, OIL 8 0G84420227 1 CRANKCASE CO VER 9 0G84420229 7 BOL T , FLANGE 8X40 420cc E[...]

  • Page 5

    420cc ENGINE 5 Crankshaft and Piston ITEM P ART NO . QTY . DESCRIPTION 1 0J28790111 1 RING SET ,PIST ON 2 0G84420237 2 CIRCLIP , PIST ON PIN 3 0K22930111 1 PIST ON 4 0G84420238 1 PIN, PIST ON 5 0J00620113 1 CONNECTING ROD ASSY 6 0G84420236 2 BOL T , CONNECTING ROD 7 0J00620108 1 CRANKSHAFT ASSY 8 0G84420119 1 KEY , SPECIAL WOODR UFF 9 0J00620111 1 [...]

  • Page 6

    420cc ENGINE Rocker and Camshaft ITEM P ART NO . QTY . DESCRIPTION 1 0J39430124 1 ROCKER ARM EXH. 2 0J39430125 1 ROCKER ARM INT . 3 0J93060101 2 V AL VE R OCKER SHAFT 4 0J39430127 2 PUSH ROD 5 0G84420174 2 LIFTER, V AL VE 6 0G84420122 2 RO T A T OR, V AL VE 7 0G84420239 4 LOCKER, V AL VE 8 0G84420123 2 RET AINER, V AL VE SPRING 9 0G84420124 2 SPRIN[...]

  • Page 7

    420cc ENGINE 7 Starter ITEM P ART NO . QTY . DESCRIPTION 1 0H9838D102 1 ST AR TER, RECOIL W/HSNG. 2 0G84420241 4 BOL T , FLANGE 6×8 3 0J0813AST15 1 ST AR TER ASSY . 4 0G8442A115 1 CO VER COMP ., F AN 5 0J39340117 1 SHROUD 6 0G84420194 5 BOL T , FLANGE 6×12[...]

  • Page 8

    420cc ENGINE 8 Flywheel and Ignition ITEM P ART NO . QTY . DESCRIPTION 1 0G84420150 1 COIL ASSY . , IGNITION 2 0G84420267 1 GROMMET , CORD 3 0G84420268 2 BOL T , FLANGE, M6X25 4 0H98380104 1 FL YWHEEL, (ELECT . ST ART) COMP . 5 0G84420147 1 F AN, COOLING 6 0G84420148 1 PULLEY , ST ARTER 7 0G84420149 1 NUT SPECIAL, 16MM[...]

  • Page 9

    420cc ENGINE 9 Air Cleaner and Carburetor ITEM P ART NO . QTY . DESCRIPTION 1 0G84420144 1 GASKET , INSULA T OR 2 0J25910112 1 SP A CER, CARBURET OR 3 0G9916 1 GASKET , CARB. T O SP ACER 4 0H9838E110 1 CARBURET OR ASSY 5 0K65110119 1 HOSE, FUEL 6 0K65110118 1 FIL TER, FUEL(IN-LINE) 7 0H9838C110 2 CLAMP , HOSE 8 0G84420156 1 GASKET , CARB. T O AIR C[...]

  • Page 10

    420cc ENGINE 10 Control System ITEM P ART NO . QTY . DESCRIPTION 1 0G8442G111 1 CONTROL ASSY . 2 0G84420194 2 NUT , FLANGE M6 3 0J00620122 1 SPRING, CABLE RETURN 4 0J39430132 1 SPRING, THRO TTLE RETURN 5 0J39430133 1 ROD , GO VERNOR 6 0G84420272 1 NUT , FLANGE M6 7 0G84420197 1 BOL T , QU ADRA TE HEAD 8 0G84420198 1 ARM, GO VERNOR[...]

  • Page 11

    420cc ENGINE 11 Exhaust Manifold ITEM P ART NO . QTY . DESCRIPTION 1 0J4535A 1 MANIFOLD , EXH. PIPE 2 0J35220161 5 NUT , HEX., M8 3 0G9028 1 GASKET , MUFFLER[...]

  • Page 12

    Manual No . 0H9838EPMNL Re vision A (06/19/14) Printed In U.S .A. Starter Motor ITEM P ART NO . QTY . DESCRIPTION 1 0H9838E111 1 MO TOR ASSY ., ST ARTER 2 0H98380103 2 BOL T , FLANGE, 3 0H98380101 1 MO TOR, ST ARTER 4 0H98380102 1 CONT A CT OR ASSY 5 0J4968 2 BOL T , FLANGE, 420cc ENGINE[...]