Zenoah RMSZ2500 manual  33 

Fig.4 ENGINE UNIT RMSZ2500 (S/N 50100000 and up)

Key#	Description	Part Number	Q'ty
1	CYLINDER	4810-12111	1
2	GASKET, base	4810-12210	1
3	BOLT	1850-12130	2
4	INSULATOR	4810-13161	1
5	GASKET, insulator	4810-13120	1
6	GASKET, carburetor	4810-13130	1
7	SCREW	0263-90520	1
8	REEDVALVE (S) ASSY	4810-16100	1
9	• VALVECASE (S)	4810-16110	1
10	• REEDVALVE	4810-16120	1
11	• STOPPER	4810-16130	1
12	• SCREW	4810-16170	1
13	PIRE AIR (S)	4810-16150	1
14	REEDVALVE (F) ASSY	4810-16200	1
15	• VALVECASE (F)	4810-16210	1
16	• REEDVALVE	4810-16120	1
17	• STOPPER	4810-16130	1
18	• SCREW	4810-16170	1
19	PIPE AIR (F)	4810-16160	1
20	GASKET, valve	4810-16140	2
21	SCREW	4810-16180	6
22	CRANKCASE COMP.	4810-21100	1
23	• PIN	2629-21130	3
24	GASKET	4810-21140	1
25	BEARING	06030-06001	2
26	SEAL	4810-21210	1
27	SEAL	1850-21220	1
28	SNAP RING	04065-02812	1
29	BOLT	01252-30530	3
30	GUARD	4810-22110	1
31	SCREW	0263-90510	1
32	PISTON	4810-41110	1
33	RING	5910-41210	2
34	PIN	1600-41310	1
35	RING	1260-41320	2
36	BEARING	1140-41330	1
37	WASHER	1101-41340	2
38	CRANKSHAFT COMP.	4810-42000	1
39	NUT	1650-43230	1
40	KEY	1000-43240	1
41	ROTOR	5501-71110	1
42	COIL ASSY	4810-71200	1
43	• CORD	4810-71220	1
44	• CAP	2616-71320	1
45	SPACER	1260-71261	2
46	BOLT	4500-72150	2
47	CARBURETOR ASSY	4810-81001	1
48	• REBUILD KIT	4810-06030	1
49	• • BODY ASSY	4810-81450	1
50	• • • SCREEN	–––––––––	–
51	• • • VALVE	–––––––––	–
52	• • • SPRING	–––––––––	–
53	• • • SCREW	–––––––––	–
54	• • • PIN	–––––––––	–
55	• • • LEVER	–––––––––	–
56	• • GASKET KIT	4810-06020	1
57	• • • DIAPHRAGM	–––––––––	–
58	• • • GASKET, diaphragm	–––––––––	–
59	• • • DIAPHRAGM, pump	–––––––––	–
60	• • • GASKET, pump	–––––––––	–
61	• • • RING	4810-81130	1
62	• BODY, purge	1850-81490	1
63	• COVER, pump	1850-81520	1
64	• PUMP, priming	1751-81510	1
65	• JET	4810-81250	1
66	• O-RING	1751-81240	1
67	• RING	1751-81130	1
68	• SWIVEL	1881-81140	1
69	• VALVE ASSY	–––––––––	–
70	• SCREW	1752-81110	2
71	• BRACKET	5500-81120	1

Key#	Description	Part Number	Q'ty
72	• NUT, adjuster	1751-81180	1
73	• SCREW, adjuster	1918-81170	1
74	• SCREW	1850-81530	4
75	• WASHER	5500-81160	1
76	SCREW	0263-90560	2
77	MUFFLER ASSY	4810-15100	1
78	• MUFFLER	4810-15111	1
79	• ARRESTER	4810-15140	1
80	BOLT	01252-30550	2
81	GASKET	4810-15410	1
82	COVER ASSY	4810-31000	1
83	• COVER COMP.	4810-31100	1
84	• • COVER, fan	4810-31110	1
85	• • DRUM	4810-31120	1
86	• • SNAPRING	04065-02812	1
87	• • BEARING	06004-06001	1
88	• • SNAP RING	04064-01210	1
89	• BRACKET (A)	6470-31211	1
90	• BRACKET (B)	6470-31221	1
91	• CUSHION	6470-31230	1
92	• BOLT	01252-30530	2
93	• BOLT	01252-30514	1
94	SCREW	5500-85510	1
95	SCREW	0263-90520	4
96	COVER, engine	4810-32111	1
97	PLATE	4810-12310	1
98	SCREW	0263-90510	2
99	SHOE	1140-51111	2
100	SPRING	1600-51223	1
101	SCREW	1140-51250	2
102	WASHER	1140-51230	2
103	WASHER	1970-51241	2
104	CAP	4810-72110	1
105	SPRING	1900-72120	1
106	CORD	4810-71240	1
107	CORD, carth	4810-71250	1
108	TUBE	2850-71320	1
109	PLUG	4810-73110	1
110	GROMMET	4810-72120	1
111	RECOIL ASSY	4810-75100	1
112	• REEL	4500-75120	1
113	• SCREW	4500-75150	1
114	• SPRING, spiral	1850-75130	1
115	• COLLAR	4500-75180	1
116	• ARM	4500-75190	1
117	• ROPE	4810-75160	1
118	• KNOB	3330-75421	1
119	• PLATE, stopper	4810-75170	1
120	PULLEY	4500-75210	1
121	SCREW	5500-85510	2
122	BODY ASSY	4810-82100	1
123	• PLATE, choke	4810-82130	1
124	• LEVER, choke	5500-82140	1
125	• SCREW	2630-33610	1
126	ELEMENT	4810-82170	1
127	SCREEN	4810-82180	1
128	COVER ASSY	4810-82200	1
129	• KNOB	5500-82221	1
130	TANK ASS'Y	4810-87000	1
131	• CAP ASS'Y	4500-85200	1
132	• • HOLDER ASSY	4500-85300	1
133	• • PACKING	4500-85220	1
134	• PIPE COMP.	4810-85300	1
135	• FLTER ASSY	5500-85400	1
136	• CLIP	1260-85460	1
137	SCREW	5500-85510	3
138	LABEL, recoil	–––––––––	–
139	LABEL, cover	4810-31131	1
140	GUARD	4810-31911	1
141	SCREW	0263-90525	2
142	CLIP	1950-86120	1

33 