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Generac 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 from[...]

  • Page 2

    420cc ENGINE Engine ITEM P ART NO . QTY . DESCRIPTION 1 0H9838C 1 ENGINE G420FD A 2 0J00620100 1 BOL T , FLANGE M5*10 3 0H9761 1 AL TERNA T OR SCROLL 4 0G84420194 1 BOL T , FLANGE M6*12 5 0G8442C112 1 BRA CKET , AIR CLEANER NOT SHOWN 0H9838C00SM 420CC GASOLINE ENG (G19) SM KIT 2[...]

  • Page 3

    420cc ENGINE Cylinder Head ITEM P ART NO . QTY . DESCRIPTION 1 0J39340111 6 BOL T , FLANGE 2 0J39340112 1 CO VER, HEAD 3 0J39340113 1 GASKET , HEAD CO VER 4 0J39340114 1 TUBE, BREA THER 5 0G84420211 4 BOL T , FLANGE, 10×80 6 0G84420210 2 BOL T , STUD , EXHA UST 7 0J00620106 1 SP ARK PLUG 8 0J39340115 1 CYLINDER HEAD 9 0J39340116 1 GASKET , CYLINDE[...]

  • Page 4

    ITEM P ART NO . QTY . DESCRIPTION 1 0G84420217 2 BOL T , FLANGE, 6×14 2 0G84420105 1 SWITCH ASSY ., OIL LEVEL 3 0G84420118 1 BEARING, RADIAL BALL, 6202 4 0G84420218 1 W ASHER,8*16*1.2 5 0G84420219 1 PIN, LOCK, 10MM 6 0G84420220 1 SHAFT , GO VERNOR ARM 7 0G84420108 1 OIL SEAL, 8×14×4 8 0G84420110 2 BOL T , DRAIN PLUG 9 0G84420109 2 W ASHER 10 0H9[...]

  • Page 5

    ITEM P ART NO . QTY . DESCRIPTION 1 0J39430119 1 CAP COMP ., OIL FILLER 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 , CASE CO VER 7 0G84420116 1 OIL SEAL 35×52×7 8 0G84420227 1 CRANKCASE CO VER 9 0G84420229 7 BOL T , FLANGE[...]

  • Page 6

    420cc ENGINE Crankshaft and Piston ITEM P ART NO . QTY . DESCRIPTION 1 0J28790111 1 RING SET , PIST ON 2 0G84420237 2 CLIP , PIST ON PIN 3 0J28790112 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 0J39430123 1 KEY , SPECIAL WOODR UFF 9 0J00620111 1 WEIG[...]

  • Page 7

    420cc ENGINE Rocker and Camshaft ITEM P ART NO . QTY . DESCRIPTION 1 0J39430124 1 ROCKER ARM ASSY . 2 0J39430125 1 ROCKER ARM ASSY . 3 0G84420122 2 RO T A T OR, V AL VE 4 0G84420239 4 V AL VE LOCKER 5 0G84420123 2 RET AINER, V AL VE SPRING 6 0G84420124 2 SPRING, V AL VE 7 0G84420125 1 SEA T , V AL VE SPRING 8 0J39430126 1 V AL VE ASSY . 9 0G8442012[...]

  • Page 8

    420cc ENGINE Starter ITEM P ART NO . QTY . DESCRIPTION 1 0G8442A114 1 ST AR TER ASSY . 2 0G84420194 5 BOL T , FLANGE 3 0H98380101 1 ST AR TER MO T OR 4 0H98380102 1 CONT A CT OR ASSY . 5 0G84420217 2 BOL T -W ASHER 6 0H98380103 2 BOL T , FLANGE 7 0G8442A115 1 BLO WER HOUSING, RECOIL ST AR TER 8 0G9798 1 ASSY , RECOIL ST ARTER 8[...]

  • Page 9

    420cc ENGINE 9 Flywheel and Ignition ITEM P ART NO . QTY . DESCRIPTION 2 0J39430129 1 FL YWHEEL 3 0G84420147 1 F AN COOLING 4 0G84420148 1 PULLEY , ST ARTER 5 0G84420149 1 NUT SPECIAL, M16 6 0G84420150 1 COIL ASSY ., IGNITION 7 0G84420268 2 BOL T , FLANGE[...]

  • Page 10

    Air Cleaner and Carburetor ITEM P ART NO . QTY . DESCRIPTION 1 0G84420144 1 GASKET , CARBURET OR 2 0J25910112 1 SP A CER, CARBURET OR 3 0G9916 1 GASKET , CARBURET OR 4 0G8442A112 1 CARBURET OR ASSY . 5 0G9757B 1 TUBE, FUEL 6 0G9757A 1 TUBE, FUEL 7 0G9914 1 FIL TER 8 0J25910115 4 CLAMP 9 0G84420156 1 GASKET , CARBURET OR 10 0G8442C111 1 AIR CLEANER [...]

  • Page 11

    420cc ENGINE 11 Control System ITEM P ART NO . QTY . DESCRIPTION 1 0J39430130 1 CONTROL ASSY . 2 0G84420194 3 BOL T , FLANGE, 6×12 3 0J39430131 1 SPRING, GO VERNOR A 4 0J39430132 1 SPRING, GO VERNOR B 5 0J39430133 1 ROD , GO VERNOR 6 0G84420196 1 NUT , FLANGE, M6 7 0G84420197 1 BOL T , GO VERNOR ARM 8 0G84420198 1 ARM, GO VERNOR[...]