PW270 PW390 PW420 Gasoline Engines PARTS MANUAL Enero 2018
Cylinder head system assy. 1 SISTEMA DE CULATA DE CILINDRO PW 1 HEAD COMP BOLT PW270.2-1 2 HEAD COVER WASHER COMP PW270.2-7 3 WASHER COVER PACKING PW270.2-8 4 HEAD COVER COMP PW270.2-4 5 HEAD COVER PACKING PW270.2-5 6 FLANGE BOLT 10 80 GB5787-86 7 SPARK PLUG PW270.7-4 8 EXHAUST BOLT STUD PW270.2-10 9 HEAD COMP., CYLINDER PW270.2-6 10 INTAKE BOLT STUD PW270.2-11 11 CYLINDER SEALING PAD PW270.2-3 PW390.2-3 PW420.2-3 12 PIN DOWEL φ10 φ12 20 PW270.1-6
Cylinder barrel 2 CILINDRO 1 FLANGE BOLT 6 14 GB/T5787-86 2 OIL LEVEL SWITCH ASSY. 172F.11 3 O-RING, 14mm 172F.11.2-10 4 FLANGE NUT 10 mm GB5787-86 5 CRANK CASE PW270.1-1 PW390.1-1 PW420.1-1 6 RADIAL BALL BEARING 6202 GB/T276 7 WASHER φ8.3 φ17 1 PW270.5-5 8 LOCK PIN 10 mm PW270.5-4 9 GOVERNOR ARM SHAFT PW270.5-6 10 OIL SEAL φ8 φ14 5 GB13817-92 11 DRAIN PLUG WASHER 12 mm PW270.1-3 12 DRAIN PLUG BOLT PW270.1-2 13 OIL SEALφ35 φ52 8 GB13817-92 14 OIL PROTECTOR GB13817-92
Crankcase cover system assy. (1) 3 SISTEMA DE CUBIERTA DEL CARTER (1) 1 OIL SEALφ35 φ52 8 GB13817-92 2 FLANGE BOLT 8 35 GB/T5787-86 3 CRANKCASE COVER ASSY. PW270.3-5 4 OIL FILTER SEAL RING PW270.3-4 5 OIL FILTER CAP PW270.3-3 6 CRANKCASE COVER PW270.3-1 7 RADIAL BALL BEARING 6207 GB/T276 8 RADIAL BALL BEARING 6202 GB/T276 9 ADJUSTING GEAR PW270.5.1-5 10 GOVERNOR HOLDER CLIP 172F.9.8-1 11 GOVERNOR WEIGHT HOLDER PW270.5.1-1 12 PLAIN WASHER 6 mm PW270.5.1-2 13 SLIDER GOVERNOR PW270.5.1-6
Crankcase cover system assy.(2) 4 SISTEMA DE CUBIERTA DEL CARTER (2) 14 PACKING GOVERNOR PW270.3-2 15 DOWEL PIN 8 12 PW270.1-7
Crankshaft system assy. 5 SISTEMA DEL CIGUEÑAL 1 CRANKSHAFT COMP PW270.4.1-1A 2 RADIAL BALL BEARING 6207 GB/T276 4 BALANCER WEIGHT PW270.4-3
Piston system assy. 6 SISTEMA DEL PISTON 1 PISTON RING A PW270.4.3-4 PW390.4.3-4 PW420.4.3-4 2 PISTON RING B PW270.4.3-5 PW390.4.3-5 PW420.4.3-5 3 OIL RING A PW270.4.3-6 PW390.4.3-6 PW420.4.3-6 4 OIL RING B PW270.4.3-6 PW390.4.3-6 PW420.4.3-6 5 PISTON PIN CLIP 20 mm 172F.3-6 6 PISTON PW270.4.3-1 PW390.4.3-1 PW420.4.3-1 7 PIN PISTON PW270.4.3-2 PW390.4.3-2 PW420.4.3-2 8 CONNECTING ROD PW270.4.2-1 9 CONNECTING COVER PW270.4.2-2 10 CONNECTING ROD BOLT PW270.4.2-3
Camshaft system assy. 7 SISTEMA DEL ARBOL DE LEVAS 1 PIVOT ADJUSTING NUT PW270.2-21 2 POCKER ARM PIVOT PW270.2-20 3 VALVE ROCKER ARM PW270.2-18 4 PIVOT BOLT (8 mm) PW270.2-19 5 PUSH ROD GUIDE PLATE PW270.2-2 6 ROD PUSH 172F.1.2-16 7 VALVE LIFTER 172F.1.2-1 8 CAMSHAFT 177F.13.1-1 PW390.13.1-1 9 VALVE RIOTATOR PW270.2-17 10 EX. VALVE SPRING RETAINER PW270.2-15 11 VALVE SPRING PW270.2-9 12 VALVE SPRING SEAT PW270.2-16 13 IN, VALVE SPRING RETAINER PW270.2-14 14 EX (STELITE) VALVE PW270.2-13 15 IN VALVE PW270.2-12
Recoil starter system assy. 8 SISTEMA DE ARRANQUE 1 RECOIL STARTER ASSY. PW270.11 2 CENTER SCREW PW270.11-8 3 SPRING RETAINER PW270.11-9 4 FRICTION SPRING PW270.11-7 5 STARTER RATCHET PW270.11-6 6 RATCHET SPRING PW270.11-5 7 RECOIL STARTER PULLEY PW270.11-3 8 START RETURN SPRING PW270.11-4 9 RECOIL STARTER CASE COMP. PW270.11-10 10 RECOIL STARTER ROPE PW270.11-2 11 STARTER GRIP PW270.11-1 12 FLANGE BOLT 6 8 GB/T5787-86 13 IN, VALVE SPRING RETAINER PW270.2-14 14 EX (STELITE) VALVE PW270.2-13 15 IN. VALVE PW270.2-12
Fan cover 9 CUBRE VENTILADOR 1 SHROUD PW270.12-3 2 FLANGE BOLT 6 14 GB/T5787-86 3 FAN COVER COMP. PW270.12-1 4 CLIP WIRE HARNESS PW270.12-4 5 ENGINE STOP SWITCH ASSY. PW270.7-1
Carburetor system assy. 10 CARBURADOR 1 CARBURETOR PACKING A PW270.6-4 2 INSULTING PLATE, CARBURETOR PW270.6-3 3 CARBURETOR PACKING B PW270.6-5 4 CARBURETOR ASSY. PW270.6-1 PW390.6-1 PW420.6-1 5 CARBURETOR SPACER COMP PW270.6-2
Flywheel system Assy. 11 SISTEMA DE VOLANTE 1 FLYWHEEL A PW270.7-1A 2 FLYWHEEL B PW270.7-1B 3 SPECIAL WOODRUFF KEY PW270.4.1-4 4 COOLING FAN PW270.12-2 5 STARTER PULLEY A PW270.11-11A 6 STARTER PULLEY B PW270.11-11B 7 SPECIAL NUT 16 mm PW270.7-2
Ignition System Assy. 12 SISTEMA DE ENCENDIDO 1 NOISE SUPPERSSOR CAP ASSY. PW270.7.3-1 2 INGITION GOIL ASSY. PW270.7.3-2 3 STOP SWITCH CORD PW270.7.3-3 4 STOP SWITCH CORD HOLDER A PW270.12-4 5 FLANGE BOLT 6 25 GB/T5787-86 6 CORD GROMMENT PW270.12-6 7 CHARGE COIL ASSY. PW270.7-5 8 FLANGE BOLT 6 40 GB/T5787-86 9 CORD CLAMPER PW270.7-6 8 FLANGE BOLT 6 20 GB/T5787-86
Starter motor System Assy. 13 SISTEMA DE MOTOR DE ARRANQUE 1 UNIT STARTER MOTOR PW270.7-7 2 CONTACTOR ASSY. PW270.7-8 3 FLANGE BOLT 8 35 GB/T5787-86
Control System Assy. 14 SISTEMA DE CONTROL 1 CONTROL ASSY. PW270.5.2 2 CONTROL BASE COMP. PW270.5.2-1 3 CONTROL ADJUSTING SPRING PW270.5.2-5 4 PAN SCREW 5 34 GB/T818-86 5 FLANGE BOLT 6 14 GB/T5787-86 6 GOVERNOR SPRING A PW270.5.2-6 7 GOVERNOR SPRING B PW270.5.2-7 8 GOVERNOR ROD PW270.5.2-8 9 FLANGE NUT 6 mm GB/T6177-86 10 GOVERNOR ARM BOLT PW270.5-7 11 GOVERNOR ARM PW270.5.2-10
Muffler System Assy. 15 SISTEMA DE ESCAPE Y SILENCIADOR MUFFLER SYSTEM ASSY. 1 TAPPING SCREW 5X8 Q235A(GB700-88) 2 MUFFLER PROTECTOR COMP. PW270.10-1 3 MUFFLER COMP PW270.10.3 4 SPARK ARRESTER(SILENT) PW270.10.3-5 5 EX, PIPE GASKET PW270.10-5 6 EX. PIPE COMP. PW270.10-2 7 MUFFLER GASKET PW270.10-6 8 FLANGE NUT 8 mm GB6170-86
Air cleaner 16 FILTRO DE AIRE AIR CLEANER ASSY. 1 AIR CLEANER COVER NUT PW270.9-5 2 AIR CLEANER COVER PW270.9.1-1 3 AIR CLEANER GROMMER PW270.9.1-1 4 AIR CLEANER ELEMENT PW270.9.1-3 5 OUTER FILTER PW270.9-6 6 SILENCER NOSE PW270.9.1-6 7 ELBOW PACKING PW270.9.1-4 8 FLANGE BOLT 6 20 GB/T5787-86 9 AIR CLEANER COLLAR B PW270.9-9 10 AIR CLEANER ELBOW COMP PW270.9-2 11 AIR CLEANER COLLAR A PW270.9-10 12 FLANGE NUT 8 mm GB6170-86
Fuel tank system assy. 17 TANQUE DE COMBUSTIBLE 1 FUEL TANK ASSY. PW270.8-1 2 FLANGE BOLT GB/T5787-86 3 SUPPORTER RUBBER PW270.8-6 4 TUBE CLIP PW270.8-7 5 FUEL TUBE PW270.8-5 6 O-RING 14MM PW270.8-4 7 FUEL TANK JOINT PW270.8-2 8 FLANGE NUT6MM GB6177-86 9 FUEL FILTER PW270.8-4 10 FUEL FILLER CAP PACKING 168F.8.1-4 11 FUEL FILLER CAP COMP PW270.8.1