Makita EM4251 Quick start guide

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Accessories:
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Tech Bulletin Fig. No. Part No. Description Q'ty Unit
1 624-10030-00 SHAFT PIPE CPL.,EM4251 1
2 619-15004-01 SHAFT, RPT250-T4 1
2 619-15004-00 SHAFT, RBC252-T2 1
8 627-15015-00 SPACER, EM4251 1
9 625-40190-00 HANGER ASSY, RBC251 1
10 004-36052-00 SCREW & WASHER ASS'Y, RBC281 1
Y04526 11 621-40160-00 HANDLE SET, RBC2510 1
11 621-40140-01 HANDLE COMPLETE, RPT250 1
11 621-40140-00 HANDLE CPL., EM4251 1
12 627-40040-10 LOOP HANDLE, EM4251 1
13 621-40140-10 GUARD STAY, EM4251 2
Y04526 14 621-40160-20 HANDLE HOLDER, RBC2510 1
14 627-40040-20 LOOP HANDLE COVER, EM4251 1
Y04526 15 621-40160-30 SCREW, RBC2510 2
15 627-40040-41 S.H. BOLT M6X18,RPT250 2
15 627-40040-40 S.H.BOLT M6X20, EM4251 2
16 624-50030-00 CONTROL LEVER ASS'Y, EM4251 1
Y04919 17 624-30060-02 GEAR CASE ASS'Y, RBC2510 1
17 621-30170-04 GEAR CASE ASS'Y, EM4250 1
17 621-30170-03 GEAR CASE ASSEMBLY, EM4251 1
17 621-30170-02 GEAR CASE ASS'Y, RBC255 1
18 011-90598-90 S.H. BOLT M5X25, RBE250 1
19 621-25003-00 BALL BEARING 609ZZ, RBC230 1
Y04919 20 619-30061-20 OUTER SNAP RING, RBC2510 1
20 003-15080-00 OUTER SNAP RING, RBC230 1
21 003-14240-00 INNER SNAP RING, RBC230 1
22 060-00699-90 BALL BEARING 626ZZ, EM4251 1
Y04919 23 624-30080-02 CUTTER SHAFT SET, RBC2510 1
23 621-30210-01 CUTTER SHAFT SET 1
23 621-30210-00 GEAR SET, RBC252 1
Y03992 24 060-01099-10 BALL BEARING DDU, RBC2510 1
24 060-01099-30 BALL BEARING 6000DDU, RBE250 1
25 003-14260-00 INNER SNAP RING, RBC230 1
26 621-85016-01 RECEIVE WASHER, EM4251 1
Y04424 27 621-80030-01 CLAMP CPL. WASHER, EM4251 1
27 621-80030-00 CLAMP WASHER,RBC260 1
28 625-85050-01 NUT, RBC255 1
29 621-85002-00 GUARD, RBC230 1
Y04919 30 014-00593-90 SCREW ASSEMBLY 2
30 011-90597-80 S.H. BOLT M5X12, RBC230 2
31 625-30110-12 OIL BOLT M6X9, RBC201 1
32 004-31050-60 PAN HEAD SCREW, RBC252 1
Y04564 34 624-95024-01 CAUTION LABEL, EM4251 1
34 624-95024-00 CAUTION LABE, EM4251 1
35 621-80080-03 PROTECTOR ASS'Y, RBC321 1
36 641-85003-03 PROTECTOR CLAMP, EM4251 1
37 001-17063-00 BOLT M6X30, EM4251 2
38 015-00599-40 TAPPING SCREW, RBC201 1
40 619-50060-30 LEVER, EM4251 1
41 621-50230-60 LEVER, EM4251 1
42 621-50230-50 ADJUST CPL.,EM4251 1
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Tech Bulletin Fig. No. Part No. Description Q'ty Unit
43 624-50030-10 WIRE SET, EM4251 1
44 624-50030-20 WIRE CPL.,EM4251 1
45 619-50060-50 SPRING, EM4251 1
46 011-90597-20 S.H. BOLT M5X20, EM4251 2
47 641-50111-60 NUT M5, EM4251 2
48 619-50060-60 T. SCREW M4X20, EM4251 4
Y05062 49 592-10050-04 CYLINDER BLOCK SET, EM4251 1
49 592-10050-03 CYLINDER BLOCK SET, EM4251 1
49 592-10050-02 CYLINDER BLOCK SET, EM4250 1
49 592-10050-01 CYLINDER BLOCK SET, EM4251 1
50 592-15012-00 BALL, EM4251 2
51 592-15005-02 CAMGEAR COVER, EM4251 1
Y04088 52 592-10040-01 ROCKER COVER CPL., EM4250 1
52 592-10040-00 ROCKER COVER CPL.,EM4251 1
53 592-15007-00 CAMGEAR COVER GASKET, EM4251 1
54 592-15008-00 ROCKER COVER GASKET, EM4251 1
55 592-15010-00 LEAD VALVE, EM4251 1
56 592-15011-00 RETAINER PLATE, EM4251 1
57 011-90499-80 S.H. BOLT M4X10, EM4251 1
58 004-36051-60 SCREW ASS'Y M5X16(W,SW),EM4251 3
59 011-90595-10 S.H. BOLT M5X14, EM4251 6
Y04088 60 011-90595-10 S.H. BOLT M5X14, EM4251 2
60 011-90595-00 S.H. BOLT,M5X30 (W), EM4251 2
61 004-36051-40 SCREW M5X14, RBC251 3
62 624-15002-03 CLUTCH CASE, EM4251 1
63 004-36051-60 SCREW ASS'Y M5X16(W,SW),EM4251 3
64 592-65000-00 OIL CASE, EM4251 1
65 592-65001-00 CASE GASKET, EM4251 1
66 592-65002-00 OIL TUBE, EM4251 1
67 592-65003-00 OIL WEIGHT, EM4251 1
68 592-65006-00 OIL GAUGE, EM4251 1
69 021-30699-90 GASKET, RBC230 1
69 021-31699-90 GASKET, EM4251 1
69 021-31600-20 GASKET, G2800R 1
Y05404 70 011-90595-10 S.H. BOLT M5X14, EM4251 4
70 004-36051-80 SCREW ASSEMBLY, RBC230 4
71 065-01099-50 SPARK PLUG CMR6A, EM4251 1
72 592-35038-00 WASHER, EM4251 1
73 624-20030-00 CLUTCH DRUM CPL.,EM4251 1
74 003-14320-00 INNER SNAP RING, RBC260 1
75 060-01299-50 BALL BEARING 6201DD/6201 2RU,RBC261 1
76 003-15120-00 OUTER SNAP RING, RBC260 1
77 624-15003-00 SPACER, EM4251 1
78 624-15004-01 PIPE DAMPER 1, EM4251 1
79 624-15005-01 PIPE DAMPER 2, EM4251 1
80 624-15006-01 PIPE BRACKET 1, EM4251 1
80 624-15006-00 PIPE BRACKET 1, EM4250 1
81 624-15007-01 PIPE BRACKET 2, EM4251 1
81 624-15007-00 PIPE BRACKET 2, EM4251 1
82 011-90599-00 S.H. BOLT M5X12, EM4250 1
83 011-90599-50 S.H. BOLT M5X18, RBC230 2
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Tech Bulletin Fig. No. Part No. Description Q'ty Unit
84 521-90020-00 STAND SET, RBC230 1
85 014-00594-80 SCREW M5X14, EH561 2
86 592-20030-00 CRANKSHAFT ASS'Y, EM4251 1
87 044-01299-60 OIL SEAL (L), EM4251 1
88 044-01099-70 OIL SEAL (S), EM4251 1
89 542-15005-00 CLIP, EM4251 1
90 592-25009-00 PISTON, EM4251 1
91 592-20040-00 PISTON RING SET, EM4251 1
92 056-50899-70 CLIP, RST250 2
93 523-25026-00 PISTON PIN, RST250 1
94 592-15014-00 SPACER, EM4251 2
95 592-35000-01 CAM LIFTER, EM4251 2
Y04257 96 593-30030-00 CAM GEAR ASSEMBLY, EM4250 1
96 592-30070-00 CAM GEAR ASS'Y, EM4251 1
97 592-35005-01 CAM GEAR SHAFT, EM4251 1
98 592-35006-00 CAM LIFTER SHAFT, EM4251 1
99 592-35007-00 PUSH ROD, EM4251 2
Y04529 100 593-30020-00 ROCKER ARM ASS'Y, BHX2500 2
100 592-30020-00 ROCKER ARM ASS'Y. EM4251 2
Y04529 101 593-35001-00 ROCKER SHAFT, BHX2500 1
101 592-35011-01 ROCKER SHAFT, EM4251 1
102 592-35012-00 VALVE SPRING, EM4251 2
103 592-35013-00 SPRING RETAINER, EM4251 2
104 592-35014-00 EXHAUST VALVE, EM4251 1
105 592-35015-00 INTAKE VALVE, EM4251 1
106 592-50010-02 STARTER COVER ASS'Y, EM4251 1
106 592-50010-01 STARTER COVER ASS'Y, EM4251 1
107 592-50010-30 REEL, EM4251 1
108 519-50020-60 SET SCREW, RBC201 1
109 521-50020-30 SPIRAL SPRING, RBC230 1
110 519-50021-10 COLLAR, RBC201 1
111 519-50021-00 SWING ARM, RBC201 1
112 592-50010-50 STARTER ROPE, EM4251 1
113 522-50040-20 STARTER KNOB, RBC221 1
114 519-55000-00 PULLEY, RBC201 1
115 004-36042-50 SCREW ASS'Y M4X25, RBC201 2
116 023-00499-40 SPACER, EM4251 2
117 592-95008-00 TANK GUARD, EM4251 1
118 004-36051-00 SCREW ASSEMBLY, EH450 2
119 624-95011-01 MODEL LABEL, EM4251 1
119 624-95011-00 MODEL LABEL, EM4251 1
Y04529 120 592-60090-00 CARBURETOR, EM4250 1
120 592-60080-00 CARBURETOR, EM4251 1
Y04529 121 592-60021-40 PUMP BODY ASS'Y, EM4251 1
121 592-60020-60 PUMP BODY ASS'Y, EM4251 1
122 523-60461-40 AIR PURGE BODY ASS'Y, EM4251 1
123 523-60460-50 PRIMER PUMP COVER, EM4251 1
124 524-60011-50 PRIMER PUMP, RBC230 1
125 592-60080-10 METERING DIAPHRAGM, EM4251 1
126 523-60460-40 METERING DIAPHRAGM GASKET,RBC260 1
127 524-60010-40 PUMP DIAPHRAGM, RBC230 1
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128 592-60020-40 PUMP GASKET, EM4251 1
Y04659 129 519-60020-20 JET, RBC201 1
129 592-60020-30 JET, EM4251 1
130 524-60010-10 O RING, RBC230 1
131 531-60051-20 RING, RBC230 1
132 523-60180-40 SWIVEL, RBC230 1
134 520-60080-30 P.H. SCREW, RBC221 2
136 523-60460-10 PUMP COVER SCREW, RBC230 4
137 592-60020-20 PUMP SPRING, EM4251 1
138 542-60050-30 WASHER, EM4251 1
139 501-60040-10 INLET SCREEN, RBC230 1
Y04797 140 592-30050-02 INSULATOR, EM4251 1
140 592-30050-01 INSULATOR, EM4251 1
140 592-30050-00 INSULATOR, EM4251 1
Y04535 141 002-17050-00 NUT M5, EW110R 2
141 017-00599-80 NUT M5, EM4251 2
142 002-27060-00 NUT, G3510R 1
143 002-27060-00 NUT, G3510R 1
Y05305 144 592-35018-01 INSULATOR GASKET, EM4251 1
Y04088 145 592-35040-00 CARBURETOR GASKET, EM4250 1
145 592-35019-00 CARBURETOR GASKET, EM4251 1
146 592-35020-00 CARBURETOR INSULATOR, EM4251 1
Y05305 147 011-90598-70 SOCKET HEAD BOLT, RBC230 2
147 004-36051-80 SCREW ASSEMBLY, RBC230 1
148 014-90699-72 ADJUST SCREW M6X16, EM4251 1
148 014-90699-70 ADJUST SCREW M6X16, EM4251 1
149 524-60041-50 CAP, EM4251 1
150 592-15009-00 BREATHER PIPE, EM4251 1
Y04269 151 593-30010-00 CLEANER PLATE ASSY, EM4250 1
151 592-30040-03 CLEANER PLATE,EM4250 1
151 592-30040-02 CLEANER PLATE ASS'Y, EM4251 1
151 592-30040-01 CLEANER PLATE ASS'Y, EM4251 1
Y04269 152 593-30050-00 AIR CLEANER PLATE CPL, EM4250 1
152 592-30060-02 AIR CLEANER PLATE CPL.EM4250 1
152 592-30060-01 AIR CLEANER PLATE, EM4251 1
152 592-30060-00 AIR CLEANER PLATE, EM4251 1
153 531-65007-01 CHECK VALVE, EM4251 1
154 592-35024-00 CHECK VALVE (1), EM4251 1
155 592-35025-00 CHECK VALVE PLATE, EM4251 1
Y04088 156 593-35016-00 SEPARATOR PLATE,MS2514 1
156 592-35033-00 SEPARATOR PLATE, EM4251 1
157 592-35022-00 CHOKE LEVER, EM4251 1
Y04269 158 593-35012-00 AIR CLEANER ELEMENT,EM4250 1
158 592-35032-00 AIR CLEANER ELEMENT, EM4251 1
159 024-01399-70 O RING P14, EM4251 1
160 024-01599-90 O RING P15, EM4251 1
161 592-35023-01 CHOKE PLATE, EM4251 1
161 592-35023-00 CHOKE PLATE, EM4251 1
162 592-35026-00 PLATE, EM4251 1
163 021-30699-90 GASKET, RBC230 1
Y04269 164 593-35008-00 AIR CLEANER COVER,EM4250 1
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164 592-35027-00 AIR CLEANER COVER, EM4251 1
165 592-35030-01 PIPE, EM4251 1
166 014-00594-80 SCREW M5X14, EH561 1
167 592-35031-00 SCREW M5X68(W,SW SUS),EM4251 2
168 056-10800-10 HOSE CLAMP, EM4251 1
169 592-30010-00 EXHAUST MUFFLER, EM4251 1
170 592-35016-01 MUFFLER GASKET, EM4251 1
171 592-35034-00 MUFFLER COVER, EM4251 1
172 011-90595-20 SOCKET HEAD BOLT M5X40, RBC201 2
173 014-00599-62 SCREW, EW110R 1
174 592-65004-00 FUEL TANK, EM4251 1
175 592-60030-00 TUBE, EM4251 1
176 523-65039-00 FILTER, RBL500 1
177 056-10599-90 HOSE CLAMP, EM4251 1
178 592-60120-00 FUEL TANK CAP, EM4251 1
178 592-60060-01 FUEL TANK CAP ASS'Y, EM4251 1
179 525-60670-00 STRAP, RBC2510 1
179 592-60050-00 STRAP UNIT, EM4251 1
180 624-95015-01 STRAP, EM4251 1
181 503-65002-00 PLATE, RBC230 1
182 503-65003-00 PLATE RBC230 1
Y04426 183 519-65003-02 DAMPER, EH450 1
183 519-65003-01 DAMPER, EH450 1
Y04826 184 592-70120-11 IGNITION COIL, BHX2500
184 592-70120-10 IGNITION COIL, BHX2500 1
184 592-70010-10 IGNITION COIL, EM4251 1
185 592-70010-20 FLYWHEEL, EM4251 1
186 592-75001-00 PLUG CAP, EM4251 1
187 065-40099-31 PLUG CAP SPRING,RBC221 1
188 592-70030-00 WIRE CPL.,EM4251 1
189 525-70180-01 WIRE COMPLETE, RBC201 1
190 525-75003-00 GROMMET, EH561 1
191 001-13061-60 BOLT ASS'Y, RBL500 1
192 003-12060-00 WASHER, G2400R 1
193 014-00499-20 SCREW M4X20, RST250 2
194 592-85000-00 CLUTCH SHOE, EM4251 2
195 592-85001-00 SPRING, EM4251 1
196 592-85002-00 CLUTCH BOLT, EM4251 2
197 592-85003-00 WASHER, EM4251 2
198 592-55008-00 CYLINDER COVER, EM4251 1
199 004-36051-00 SCREW ASSEMBLY, EH450 2
200 004-36041-60 SCREW M4X16(W,SW),EM4251 2
201 592-75000-00 PLUG COVER, EM4251 1
202 056-60599-80 CLAMP, RBC201 1
203 592-95010-01 TRADE MARK LABEL, EM4250 1
Y04664 207 592-30080-11 SPARK ARRESTER, EM4251 1
207 592-30080-10 SPARK ARRESTER, EM4251 1
208 592-35039-00 PIPE, EM4250 1
209 592-15018-00 CHECK VALVE, EM4251 2
Y05305 210 011-90597-80 S.H. BOLT M5X12, RBC230 1
210 004-36051-00 SCREW ASSEMBLY, EH450 1
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211 592-35035-00 SEPARATOR GASKET, EM4251 1
212 593-35009-00 AIR CLEANER ELEMENT,EM4250 1
213 002-27050-00 NUT M5, RBC230 4
215 056-10599-70 HOSE CLAMP, BHX2500 1
216 620-70030-02 BAND ASS'Y, EM4251 1
217 624-90060-00 TOOL KIT, EM4251 1
217 624-90000-00 TOOL SET 1
218 072-21046-00 OIL BOTTLE 1
218 072-21050-00 OIL BOTTLE, EM4251 1
219 B-60143 TRIMMER HEAD, RBC253 BUMP FEED 1
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