
Fig.1 ENGINE GROUP HB250
| Key# | Part Number | Description | Q'ty | 
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| 1 | 6457402 | ROTOR | 1 | 
| 2 | 4309501 | CRANKCASE&SHAFT ASSY | 1 | 
| 3 | 6968501 | • BEARING | 2 | 
| 4 | 5687501 | • SEAL | 1 | 
| 5 | 9071301 | GASKET CASE | 1 | 
| 6 | 6968401 | • RING | 1 | 
| 7 | 5687401 | • SEAL | 1 | 
| 8 | 6634801 | • SCREW | 3 | 
| 9 | 3075003 | • CRANKCASE ASSY | 1 | 
| 10 | 3090101 | CRANKSHAFT ASSY | 1 | 
| 11 | 6457303 | PISTON | 1 | 
| 12 | 6969001 | RING | 2 | 
| 13 | 6969101 | CLIP RING | 2 | 
| 14 | 6968701 | WASHER | 2 | 
| 15 | 6997001 | NEEDLE BEARING | 1 | 
| 16 | 6230101 | WRIST PIN | 1 | 
| 17 | 6968801 | KEY | 1 | 
| 18 | 4300401 | PULLEY ASSY | 1 | 
| 19 | EXTENTION | 1 | |
| 20 | MUFFLER ASSY | 1 | |
| 21 | • ARRESTER | 1 | |
| 22 | BOLT TORX, M5x70 | 2 | |
| 23 | GASKET, MUFF | 1 | |
| 30 | 6457003 | CYLINDER | 1 | 
| 31 | GASKET INSULATOR | 1 | |
| 32 | 5994702 | INSULATOR | 1 | 
| 33 | 9071103 | GASKET CABURETOR | 1 | 
| 34 | 6634402 | SCREW TORX | 2 | 
| 35 | 3074518 | CARBURETOR | 1 | 
| 36 | 6970001 | CLIP HOSE | 1 | 
| 37 | 6969901 | CLIP HOSE | 1 | 
| 38 | 5688002 | PLASTIC RUBBER TUBING | 1 | 
| 39 | 3078001 | PRIMER ASSY | 1 | 
| 40 | 3097402 | CHOKE LEVER&PLATE ASSY | 1 | 
| 41 | 6634501 | • SCREW TORX | 1 | 
| 42 | 5994601 | • CHOKE PLATE | 1 | 
| 43 | 4315001 | • CARBURETOR PLATE | 1 | 
| 44 | 5945801 | • CHOKE LEVER | 1 | 
| 45 | 6634601 | BOLT CARBURETOR | 2 | 
| 46 | 5687301 | ELEMENT | 1 | 
| 48 | 3099904 | COVER ASSY | 1 | 
| 49 | 5946101 | KNOB | 1 | 
| 50 | 9506501 | DECAL | 1 | 
| 51 | 9506009 | DECAL(To Start) | 1 | 
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| Key# | Part Number | Description | Q'ty | 
| 
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| 52 | 8714402 | SPARK PLUG NGK BPMR7A | 1 | 
| 53 | 6634201 | CAP SCREW | 2 | 
| 54 | 9070901 | GASKET CYLINDER | 2 | 
| 55 | 3075304 | RECOIL ASSY | 1 | 
| 56 | 6635101 | SCREW TORX | 4 | 
| 57 | 9506010 | DECAL(E Start) | 1 | 
| 58 | DECAL(EMISSION) | 1 | |
| 61 | TANK ASSY | 1 | |
| 62 | • CAP ASSY | 1 | |
| 63 | • • HOLDER ASSY | 1 | |
| 64 | • • PACKING | 1 | |
| 65 | • • FILTER | 1 | |
| 66 | • • STOPPER | 1 | |
| 67 | • PIPE COMP. | 1 | |
| 68 | • FILTER ASSY | 1 | |
| 69 | • COLLER | 1 | |
| 70 | BOLT TORX, M5x16 | 3 | |
| 71 | 6634901 | BOLT TORX | 2 | 
| 72 | 3075204 | COIL&BOOT ASSY | 1 | 
| 73 | CORD | 1 | |
| 74 | CAP | 1 | |
| 75 | SPRING | 1 | |
| 76 | TUBE | 1 | |
| 77 | GROMMET | 1 | |
| 78 | 5946201 | SPACER | 2 | 
| 79 | 6996901 | WASHER | 2 | 
| 80 | SCREW | 1 | |
| 81 | WASHER | 1 | |
| 82 | CABLE | 1 | |
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