Page 1
848C1293B4 (412)
CHAIN SAW
Dec. 2004
NOTE :
1. Use KOMATSU ZENOAH genuine parts specified in the parts list for repair and/or replacement.
2. KOMATSU ZENOAH does not warrant the machines, those which have been damaged by the use
of any parts other than those specified by the company.
3. When placing orders of parts for repair and/or replacement, check if the model name and the serial
number are suitable to those specified in the parts list, then use parts number described in the
parts list.
4. The contents described in the parts list may change due to improvement.
5. The parts for the machine shall be supplied within ten (10) years after the machine is discontinued.
[It is possible that some specific parts may be subject to change of their delivery term and list price
within the limit of ten (10) years after the machine is discontinued. And it is also possible that some
parts may be available even after the limit of ten (10) years.]
APPLICABLE SERIAL NUMBERS : 100101 and up
G2500
PARTS LIST
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Fig.1 POWER UNIT
G2500
Page 3
Q'TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
86 2841-51230 • SPRING 2
87 2475-51240 • BOSS 1
88 2841-51210 PLATE 1
89 3310-51310 BEARING 1
90 848C1290F2 LABEL 1
91 2841-82510 ROD 1
92 2841-82411 ROD 1
93 2841-82421 GROMMET 1
94 848C128100 CARBRETOR ASSY 1
WT-747
95 2841-82210 SEAL 1
96 848C1083A3 PLATE 1
97 2841-82120 PLATE 1
98 0263-30545 SCREW 2
99 2841-83111 CLEANER 1
100 2841-83120 ELEMENT 1
101 2841-83303 COVER COMP. 1
102 2841-83320 • KNOB 1
103 2841-83330 • GROMMET 1
104 2630-53412 CATCHER 1
105 2630-32170 SCREW 1
106 848C106610 PLATE 1
107 848C1067D0 • SEAL 1
108 2841-75001 STARTER ASSY 1
109 2841-75101 • CASE COMP. 1
110 2841-75210 • REEL 1
111 2841-75300 • SPRING COMP. 1
112 1850-75160 • ROPE 1
113 3330-75421 • KNOB 1
114 1140-51230 • WASHER 1
115 2630-75510 • SCREW 1
116 2841-75611 • COVER 1
117 2841-75710 • PIPE 1
118 2630-31950 • SCREW 1
119 2630-31950 SCREW 4
120 2475-75131 LABEL 1
121 2475-54000 BRAKE ASSY 1
122 2475-54110 • COVER 1
123 2841-54121 • GUARD 1
124 2872-54120 • SPRING 1
125 0263-80530 • SCREW 1
126 2872-54140 • SPACER 1
127 2850-54211 • SPACER 1
128 848C605423 • WEIGHT 1
129 2841-54230 • SPRING 1
130 2851-54270 • SPRING 1
131 01641-20508 • WASHER 1
132 3310-53331 • NUT 1
133 2851-54301 • LEVER COMP. 1
134 2851-54350 • ROLLER 1
135 2670-54411 • ARM 1
136 2841-54510 • BAND 1
137 3356-24140 • ROLLER 1
138 2670-54610 • SPRLNG 1
139 2841-54620 • COVER 1
140 2630-33610 • SCREW 4
141 2841-53211 • PLATE 1
142 2841-53240 • SCREW 1
143 2810-53221 • NUT 1
144 2671-53230 • GEAR 1
145 3350-53410 NUT 1
146 2475-53121 LABEL 1
147 2841-32101 HANDLE ASSY 1
148 2841-32150 • STOPPER 1
149 2841-35110 • DAMPER 1
150 2630-75510 • SCREW 1
151 2630-75510 SCREW 2
152 848C103311 HANDLE COMP. 1
153 848C1033C3 • LEVER THROTTLE 1
154 3356-33321 • SPRING 1
155 04025-00524 • SPRING PIN 1
156 2841-35180 STOPPER 1
157 848C3033E3 ARM 1
158 2841-34110 COVER 1
159 2630-31950 SCREW 1
160 2841-35110 DAMPER 2
161 2841-35120 BOLT 3
162 2841-35150 CAP 3
163 2841-98210 HANGER 1
164 2630-33610 SCREW 1
165 2841-55220 SEAL 1
166 2850-21260 VALVE 1
167 2841-31410 SEAL 1
170 2670-14220 SCREW 1
Q'TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
1 848C151211 CYLINDER COMP. 1
2 2841-12120 • ELBOW 1
3 2841-12210 PIPE 1
4 3310-82230 CLIP 1
5 3350-34320 ELBOW 1
6 2841-21110 CRANKCASE 1
7 T4950-52021 BOLT 4
8 2841-41112 PISTON 1
9 2841-41210 RING, piston 1
10 1600-41310 PIN 1
11 1260-41320 RING, snap 2
12 5500-41410 BEARING 1
13 1101-41340 WASHER 2
14 2841-42001 SHAFT COMP. 1
15 1155-21240 BEARING 2
16 T2041-21210 OIL SEAL 1
17 T2041-21220 OIL SEAL 1
18 1650-43230 NUT 1
19 1000-43240 KEY 1
20 2841-06011 PIPE SET 1
21 0263-30414 SCREW 2
22 T2041-15100 MUFFLER ASSY 1
23 T2046-15140 PLATE 1
24 2841-15210 GASKET 1
25 2670-82210 SCREW 2
26 2841-71102 ROTOR ASSY 1
27 2841-71120 • PAWL 2
28 T2044-71240 • SPRING 2
29 2850-71140 • SCREW 2
30 2850-71151 • WASHER 2
31 2841-71200 MODULE ASSY 1
32 2841-71220 • CORD 1
33 2616-71320 • CAP 1
34 2850-72110 • CAP 1
35 1400-72121 • SPRING 1
36 1140-72110 • GROMMET 1
37 5500-72150 SPACER 2
38 3350-14150 BOLT 2
39 3699-90032-10 SPARK PLUG 1 RCJ7Y
40 2850-74102 SWITCH ASSY 1
41 2850-74213 CORD 1
42 2841-74220 CORD 1
43 848C103111 CASE COMP. 1
44 2841-31141 • SCREW 2
45 2870-31750 SCREW 4
46 2475-31130 COVER 1
47 2630-31950 SCREW 2
48 2841-31202 PIPE ASSY 1
49 2841-31210 • PIPE 1
50 2841-31252 • GROMMET 1
51 1850-85300 • FILTER 1
52 2841-31280 • COLLAR 1
53 2850-34501 BREATHER ASSY 1
54 3317-85120 GROMMET 1
55 2850-81900 PUMP 1
56 2841-31260 PIPE 1
57 2841-31801 CAP ASSY 2
58 2841-31820 • GASKET 2
61 T2041-31910 COVER 1
62 2630-31950 SCREW 2
63 2841-31921 MAT 1
64 2841-37111 PIPE 2
65 2841-37121 PIPE 1
66 2841-37150 JOINT 2
67 2841-31300 PIPE COMP. 1
68 2841-31311 • PIPE 1
69 3310-57320 • JOINT 1
70 2841-31330 • PIPE 1
71 3310-57340 • CLIP 1
72 2670-23131 • FILTER 1
73 1260-41320 • RING 1
74 2841-55103 OIL PUMP ASSY 1
75 2841-55112 • OIL PUMP 1
76 2850-55121 • WORM 1
77 0263-30416 SCREW 2
78 2850-55211 WASHER 1
80 2841-55250 PIPE 1
81 2841-55310 COVER 1
82 2630-31950 SCREW 2
83 2475-51110 DRUM 1 3/8-6T
83 2841-51110 DRUM 1 1/4-8T
84 2475-51200 CLUTCH ASSY 1
85 2475-51220 • SHOE 2
Fig.1 POWER UNIT
G2500
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Fig. 2 CARBURETOR COMPONENTS & ACCESSORIES
G2500
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Q'TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
56 T2046-98120 • HANGER 1 OP
57 T2046-98130 • PLATE 1 OP
58 2630-33610 • SCREW 2 OP
59 T2046-32180 HANGER 1 OP
60 T2046-32190 PLATE 1 OP
61 T2046-32170 NUT 1 OP
62 2630-32170 SCREW 1 OP
63 2980-52111 BAR 1 OP
64 3622-52210-50 CHAIN, 25AP-60E 1 OP
65 2841-98301 ICING KIT 1
66 2841-98310 • PIPE 1
67 2841-98320 • CAP 1
68 2841-98330 • PROTECTOR 1
Q'TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
1 848C128100 CARBRETOR ASSY 1 WT-747
2 3306-81380 • SCREEN 1
3 2630-81120 • COVER 1
4 3310-81130 • SCREW 1
5 3304-81140 • GASKET 1
6 1172-81150 • DIAPHRAM 1
7 3356-81310 • VALVE 1
8 2867-81270 • SPRING 1
9 3310-81250 • PIN 1
10 3310-81240 • SCREW 1
11 3310-81230 • LEVER 1
12 3310-81280 • COVER 1
13 1480-81420 • PLUG 1
14 2850-81290 • GASKET 1
15 3310-81260 • DIAPHRAM 1
16 1148-81390 • RING 1
17 3310-81341 • VALVE 1
18 2880-81470 • SCREW 3
19 2670-81410 • SPRING 1
20 T2040-81370 • SHAFT 1
21 2630-81330 • SCREW 1
22 3350-81380 • SPRING 1
24 2841-81440 • LEVER 1
25 2850-81190 • SCREW 1
26 2841-81451 • VALVE 1
27 2850-81350 • SPRING 1
28 2841-81460 • SHAFT 1
29 2850-81430 • BUSHING 1
30 3310-81351 • SCREW 4
35 T2100-06020 GASKET KIT 1
36 3320-91140 WRENCH 1
37 2670-91150 DRIVER 1
39 2475-52110-50 BAR 10" SP 1
40 3699-91480 CHAIN 91VG-40E 1
41 3622-52310 PROTECTOR 1
42 2475-98100 SPIKE KIT 1 OP
44 CB1011I BAR KIT 1 OP
45 2475-52120 • BAR, 10" CV 1
46 3622-52210-50 • CHAIN, 25AP-60E 1
48 2841-51110 • DRUM, 1/4-8T 1
49 3350-96220 STOPPER, PISTON 1 OP
50 3350-96240 GAUGE, AIR GAP 1 OP
51 3304-97611 WRENCH, HEXAGON 1 OP
52 2670-96410 WRENCH, TORX 1 OP
53 2841-96110 WRENCH, CLUTCH 1 OP
54 T2046-98100 BELT HANGER KIT 1 OP
55 T2046-98110 • HOOK 1 OP
Fig. 2 CARBURETOR COMPONENTS & ACCESSORIES
G2500
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1-9 Minamidai, Kawagoe, Saitama, 350-1192 Japan
PRINTED IN JAPAN
PRINTED ON RECYCLED PAPER
IMPRIMÉ SUR PAPIER RECYCLÉ
GEDRUCKT AUF RECYCLING PAPIER
STAMPATO SU CARTA RICICLATA
IMPRESO EN PAPEL RECICLADO
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