RedMax HB250 manual  17 

Fig.1 ENGINE GROUP HB250

Key#	Part Number	Description	Q'ty
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	5516-43230	EXTENTION	1
20	T1513-15100	MUFFLER ASSY	1
21	4810-15140	• ARRESTER	1
22	T4950-57030	BOLT TORX, M5x70	2
23	T1513-15210	GASKET, MUFF	1
30	6457003	CYLINDER	1
31	848-EU2-14B0	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

Key#	Part Number	Description	Q'ty
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	848-L0F-90D0	DECAL(EMISSION)	1
61	848-EU2-8500	TANK ASSY	1
62	T1015-85202	• CAP ASSY	1
63	4500-85300	• • HOLDER ASSY	1
64	4500-85220	• • PACKING	1
65	5601-85260	• • FILTER	1
66	4820-85260	• • STOPPER	1
67	848-EU2-8530	• PIPE COMP.	1
68	3302-85400	• FILTER ASSY	1
69	2841-31280	• COLLER	1
70	4820-85510	BOLT TORX, M5x16	3
71	6634901	BOLT TORX	2
72	3075204	COIL&BOOT ASSY	1
73	T1513-71240	CORD	1
74	1900-72112	CAP	1
75	1900-72120	SPRING	1
76	T1513-71320	TUBE	1
77	5500-72130	GROMMET	1
78	5946201	SPACER	2
79	6996901	WASHER	2
80	2630-31950	SCREW	1
81	1484-86280	WASHER	1
82	5516-83101	CABLE	1

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