Zenoah BC3401DLM User manual

T3115-93120(201)
BRUSHCUTTERS
January 2002
APPLICABLE SERIAL NUMBERS:
NOTE :
1. Use KOMATSU ZENOAH genuine parts as specified in the parts list for repair and/or replacement.
2. KOMATSU ZENOAH does not warrant the machines, which have been damaged by the use of any
parts other than those specified by the company.
3. When placing parts orders for repair and/or replacement, check if the model name and the serial
number are applicable to those specified in the parts list, then use parts number described in the
parts list.
4. The contents described in the parts list are accurate as of the date and may change due to
improvement.
5. The parts for the machine shall be supplied 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. It is also possible that some
parts may be available even after the limit of ten (10) years.]
BC3401DLM
BC3401DWM
BC4301DLM
BC4301DWM
200101 and up

Fig.1 CUTTER GROUP
BC3401DLM

1 4050-11110 HOUSING 1
2 4050-11150 CAP 1
3 4050-11210 JOINT 1
4 4050-11250 ABSORBER-F 1
5 4050-11260 ABSORBER-R 1
6 01252-30530 BOLT 4
7 01252-30630 BOLT 1
8 01252-30510 BOLT 1
9 T3113-11310 DRUM 1
10 06004-06202 BEARING 1
11 04065-03515 RING 1
12 04064-01510 RING 1
13 3544-11510 BOLT 4
14 T3113-12100 PIPE COMP 1 ø26x1500
15 3520-12213 SHAFT, spline ø7x7teeth 1 ø7x1536
16 6522-13000 GEARCASE ASSY 1
17 6522-13110 • GEARCASE 1
18 06000-06000 • BEARING 2
19 06000-06202 • BEARING 1
20 3130-13141 • SEAL 1
21 04065-03515 • RING, SNAP 1
22 01252-30510 • BOLT 1
23 3540-13212 • SHAFT 1
24 3540-13220 • GEAR 1
25 3544-13280 • WASHER 1
26 01643-31032 • WASHER 1
27 3540-13290 • BOLT 1 M10(L)
28 6522-13310 • PINION 1
29 06001-06000 • BEARING 1
30 3180-13330 • RING 1
31 04065-02612 • RING 1
32 3540-13260 • BOLT 1
33 0224-40610 • BOLT 1
34 6251-13240 • HOLDER(A) 1
35 3540-13251 • HOLDER(B) 1
36 6520-17100 HANGER ASSY 1
37 6520-17110 • HANGER 1
38 6520-17120 • CLAMP 1
39 6520-18130 • SPACER 1
40 0263-90525 • SCREW 1
41 T3112-12510 PLATE, name 1
42 T3112-12590 PLATE, number 1
43 6425-12552 PLATE, caution 1
44 T3112-14000 HANDLE ASSY 1
45 T3112-14110 • HANDLE 1
46 0263-90530 • SCREW 4
47 6489-24000 GUARD ASSY 1
48 6489-24110 • GUARD 1
49 6489-24200 • PLATE COMP 1
50 6489-24210 • • PLATE 1
51 6489-24220 • • BLADE 1
52 0277-10412 • • SCREW 1
53 6489-24120 • PLATE 1
54 01252-30516 • BOLT 4
55 01601-20513 • WASHER 4
56 3540-13283 COVER 1
57 6251-15910 COVER 1
58 T3300-17100 STRAP ASSY 1
59 6298-14343 SAW 1
60 T3112-18000 GRIP ASSY 1
61 K2300-000240 • GRIP (R) 1
62 K2300-000230 • GRIP (L) 1
63 K3200-000390 • CLAMP (A) 1
64 K3300-000010 • PLATE (A) 1
Key# PART NUMBER DESCRIPTION Q'TY
/UNIT NOTE
65 K3300-000020 • PLATE (B) 1
66 K5100-000240 • COLLAR 1
67 K5100-000220 • SPRING 1
68 K2300-000260 • SAFETY LEVER 1
69 K2300-000250 • THROTTLE LEVER 1
70 K3200-000400 • CLAMP (B) 1
71 K5100-000230 • SPRING 1
72 K5100-000210 • SPRING 1
73 K2300-000270 • PLATE 1
74 B1122-C2910H • SCREW 1
75 K2300-000280 • SWITCH 1
76 K5200-000090 • CORD 1
77 K5100-000270 • CABLE COMP 1
78 K5100-000201 • • THROTTLE CABLE 1
79 K5200-000130 • • SLEEVE 1
80 K2300-000390 • LID 1
81 B1176-090530 • SCREW 4
82 B1181-04054606 • NUT 4
83 T3113-91000 TOOL KIT 1
84 1030-91340 • DRIVER 1
85 3144-91160 • SOCKET 1
86 09007-00425 • WRENCH 1
87 09007-00528 • WRENCH 1
88 3540-91110 • BAR 1
89 T3115-93110 MANUAL 1
Key# PART NUMBER DESCRIPTION Q'TY
/UNIT NOTE
Fig.1 CUTTER GROUP
BC3401DLM

Fig.2 CUTTER GROUP
BC3401DWM

1 4050-11110 HOUSING 1
2 4050-11150 CAP 1
3 4050-11210 JOINT 1
4 4050-11250 ABSORBER-F 1
5 4050-11260 ABSORBER-R 1
6 01252-30530 BOLT 4
7 01252-30630 BOLT 1
8 01252-30510 BOLT 1
9 T3113-11310 DRUM 1
10 06004-06202 BEARING 1
11 04065-03515 RING 1
12 04064-01510 RING 1
13 3544-11510 BOLT 4
14 T3113-12100 PIPE COMP 1 ø26x1500
15 3520-12213 SHAFT, spline ø7x7teeth 1 ø7x1536
16 6522-13000 GEARCASE ASSY 1
17 6522-13110 • GEARCASE 1
18 06000-06000 • BEARING 2
19 06000-06202 • BEARING 1
20 3130-13141 • SEAL 1
21 04065-03515 • RING, SNAP 1
22 01252-30510 • BOLT 1
23 3540-13212 • SHAFT 1
24 3540-13220 • GEAR, 1
25 3544-13280 • WASHER 1
26 01643-31032 • WASHER 1
27 3540-13290 • BOLT 1 M10(L)
28 6522-13310 • PINION 1
29 06001-06000 • BEARING 1
30 3180-13330 • RING 1
31 04065-02612 • RING 1
32 3540-13260 • BOLT 1
33 0224-40610 • BOLT 1
34 6251-13240 • HOLDER(A) 1
35 3540-13251 • HOLDER(B) 1
36 3530-14900 BRACKET ASSY 1
37 3540-14910 • BRACKET 1
38 3540-14920 • CAP-L 1
39 3540-14930 • CAP-U 1
40 3540-14140 • ABSORBER 2
41 3540-14150 • CLAMP 1
42 3540-14160 • CLAMP 1
43 01252-30525 • BOLT 6
44 01252-30530 • BOLT 4
45 3530-14171 • SPACER 2
46 6520-17100 HANGER ASSY 1
47 6520-17110 • HANGER 1
48 6520-17120 • CLAMP 1
49 6520-17130 • SPACER 1
50 0263-90525 • SCREW 1
51 T3113-12510 PLATE, name 1
52 T3113-12590 PLATE, number 1
53 6425-12552 PLATE, caution 1
54 6489-24000 GUARD ASSY 1
55 6489-24110 • GUARD 1
56 6489-24200 • PLATE COMP 1
57 6489-24210 • • PLATE 1
58 6489-24220 • • BLADE 1
59 0277-10412 • • SCREW 1
60 6489-24120 • PLATE 1
61 01252-30516 • BOLT 4
62 01601-20513 • WASHER 4
63 3540-13283 COVER 1
64 6251-15910 COVER 1
Key# PART NUMBER DESCRIPTION Q'TY
/UNIT NOTE
65 6220-17202 HARNESS ASSY 1
66 4050-17110 PROTECTOR 1
67 3540-93120 BAND 1
68 6298-14343 SAW 1
69 T3111-14300 HANDLE-L COMP 1
70 T3113-14100 HANDLE-R COMP 1
71 T3111-14110 • HANDLE-R 1
72 K6010-000550 • GRIP&LEV, COMP 1
73 K2200-000040 • • LABEL 1
74 K2300-000050 • • GRIP (L) 1
75 B1181-040545 • • NUT 1
76 K2300-000080 • • SWITCH 1
77 K5100-000030 • • SPRING 1
78 K5100-000040 • • SPRING 1
79 K2300-000090 • • HOLDER 1
80 B1122-C2910H • • SCREW, M3x10 2 Tapping
81 K5100-000020 • • SPRING 1
82 K2300-000070 • • LEVER 1
83 K5100-000010 • • SPRING 1
84 K2300-000060 • • LEVER 1
85 K1300-000060 • • PLUG 1
86 K5100-000050 • • SPRING 1
87 K2300-000040 • • GRIP (R) 1
88 B1111-A0530H • • SCREW, M5x30 1
89 B1122-C4220H • • SCREW, M4x20 5 Tapping
90 K5200-000070 • CORD 1
91 K5100-000130 • CABLE 1
92 K5200-000080 • TUBE 1
93 T3113-91000 TOOL KIT 1
94 1030-91340 • DRIVER 1
95 3144-91160 • SOCKET 1
96 09007-00425 • WRENCH 1
97 09007-00528 • WRENCH 1
98 3540-91110 • BAR 1
99 T3115-93110 MANUAL 1
Key# PART NUMBER DESCRIPTION Q'TY
/UNIT NOTE
Fig.2 CUTTER GROUP
BC3401DWM

Fig.3 ENGINE GROUP
BC3401DLM/BC3401DWM

1 4700-12110 CYLINDER 1
2 1850-12130 BOLT 4 M5x20
3 4500-13120 GASKET, base 1
4 4500-21101 CRANKCASE COMP. 1
5 2629-21130 • PIN 3
6 4500-21140 GASKET, case 1
7 06030-06201 BEARING 2
8 4810-21210 OIL SEAL 1
9 1650-21220 OIL SEAL 1
10 01252-30530 BOLT 4 M5x30
11 04065-03212 SNAP RING 1
12 4700-41110 PISTON 1
13 1650-41210 RING 2
14 1030-41310 PIN 1
15 1300-41320 RING 2
16 T2100-41410 BEARING 1
17 2850-41510 WASHER 2
18 4500-42000 CRANKSHAFT COMP. 1
19 4700-51110 SHOE, clutch 2
20 1651-51220 SPRING 1
21 1200-51211 SCREW 2
22 1200-51230 WASHER 2
23 1200-51241 WASHER 2
24 4700-71110 ROTOR 1
25 4700-71200 COIL ASS’Y 1
26 4500-71220 • CORD 1
27 4700-71230 • CAP 1
28 4700-71240 • PIN 2
29 5500-72130 GROMMET 1
30 5500-72110 CAP, plug 1
31 1900-72120 SPRING 1
32 4500-72150 BOLT 2 M4x20
33 1650-43230 NUT 1
34 1000-43240 KEY 1
35 4700-15110 MUFFLER ASS’Y 1
36 01252-30560 BOLT 2 M5x60
37 3310-31720 BOLT 1 M5x14
38 4700-15211 GASKET 1
39 4500-15220 PLATE 1
40 0263-90514 SCREW 1
41 4700-31110 COVER 1
42 3310-12281 BOLT 4 M5x20
43 4700-31210 PLATE 1
44 4500-32110 COVER 1
45 4500-32120 SCREW 4
46 4500-32210 GUARD 1
47 5933-73110 SPARKPLUG (Champion) 1 BPMR7A
48 1852-72121 GROMMET 1
49 T1006-73220 CORD 1
50 T1006-73230 CORD, earth 1
51 1140-72231 CLAMP 1
52 4500-75100 RECOIL ASS’Y 1
53 4500-75120 • REEL 1
54 4500-75150 • SCREW 1
55 1850-75130 • SPRING, spiral 1
56 4500-75180 • COLLAR 1
57 4500-75190 • ARM 1
58 4500-75160 • ROPE 1
59 1140-75320 • KNOB 1
60 5500-75170 • PLATE, stopper 1
61 4500-75210 PULLEY 1
62 4500-75511 SCREW 4
63 4700-75310 COLLAR 1
64 4500-13161 INSULATOR 1
65 4500-13181 SCREW 2
Key# PART NUMBER DESCRIPTION Q'TY
/UNIT NOTE
66 4700-13150 GASKET, insulator 1
67 4500-13130 GASKET, carburetor 1
68 4700-81001 CARBURETOR ASS’Y 1 WYK-94
69 1850-81450 • BODY ASS’Y 1
70 3306-81380 • • SCREEN 1
71 3356-81310 • • VALVE 1
72 1850-81270 • • SPRING 1
73 1850-81220 • • SCREW 1
74 3310-81250 • • PIN 1
75 3310-81230 • • LEVER 1
76 1850-81490 • BODY, purge 1
77 1850-81520 • COVER, pump 1
78 1751-81510 • PUMP, priming 1
79 3310-81260 • DIAPHRAGM 1
80 1850-81470 • GASKET, diaphragm 1
81 1065-81420 • DIAPHRAGM, pump 1
82 1065-81410 • GASKET, pump 1
83 5500-81160 • WASHER 1
84 1751-81130 • RING 1
85 1881-81140 • SWIVEL 1
86 4700-81150 • VALVE ASS’Y 1
87 1752-81110 • SCREW 2
88 5500-81120 • BRACKET 1
89 1751-81180 • NUT, adjuster 1
90 5730-81170 • SCREW, adjuster 1
91 1881-81130 • RING 1
92 1850-81530 • SCREW 4
93 1484-81610 • NEEDLE, high 1
94 1491-81160 • SPRING 1
95 1881-81190 • WASHER 1
96 1881-81240 • O-RING 1
97 0263-30550 SCREW 2
98 4500-82100 BODY ASS’Y 1
99 4500-82130 • PLATE, choke 1
100 4500-82140 • LEVER, choke 1
101 2630-33610 • SCREW 1
102 4500-82170 ELEMENT 1
103 4500-82180 SCREEN 1
104 4500-82201 COVER ASS’Y 1
105 5500-82221 • KNOB 1
107 T1013-85002 TANK ASS’Y 1
108 T1015-85202 • CAP ASS’Y 1
109 4500-85300 • • HOLDER-A 1
111 5601-85260 • • FILTER 1
112 4500-85220 • • PACKING 1
113 4820-85260 • • STOPPER 1
114 5500-85300 • PIPE COMP. 1
115 3302-85400 • FILTER ASS’Y 1
116 1260-85460 • CLIP 1
117 1600-86120 SCREW 4
118 T1013-75410 LABEL, recoil 1
119 1660-31121 LABEL 1
120 2634-31420 LABEL (CE) 1
121 T1013-83000 CABLE ASS'Y 1 DLM
122 T1013-83100 • CABLE 1 DLM
123 2247-73200 • CORD 1 DLM
124 2319-73310 • TUBE 1 DLM
125 4500-22110 GUARD 1
126 0263-90514 SCREW 1 M5x4
Key# PART NUMBER DESCRIPTION Q'TY
/UNIT NOTE
Fig.3 ENGINE GROUP
BC3401DLM/BC3401DWM

Fig.4 CUTTER GROUP
BC4301DLM

1 4050-11110 HOUSING 1
2 4050-11150 CAP 1
3 T3042-11210 JOINT 1
4 4050-11250 ABSORBER-F 1
5 4050-11260 ABSORBER-R 1
6 01252-30530 BOLT 4
7 01252-30630 BOLT 1
8 01252-30510 BOLT 1
9 4050-11311 DRUM 1
10 06004-06202 BEARING 1
11 04065-03515 RING 1
12 04064-01510 RING 1
13 3544-11510 BOLT 4
14 T3042-12100 PIPE COMP 1 ø28x1500
15 6340-12210 SHAFT 1 ø8x1540
16 6562-13000 GEARCASE-ASS’Y 1
17 6562-13110 • GEARCASE 1
18 06000-06000 • BEARING 1
19 06000-06202 • BEARING 1
20 3130-13141 • SEAL 1
21 04065-03515 • RING 1
22 01252-30510 • BOLT 1
23 3540-13212 • SHAFT, gear 1
24 3540-13220 • GEAR 1
25 01643-31032 • WASHER 1
26 3544-13280 • WASHER 1
27 3540-13290 • BOLT 1 M10(L)
28 3540-13311 • PINION 1
29 06000-06001 • BEARING 1
30 06001-06001 • BEARING 1
31 3130-13270 • RING 1
32 04065-02812 • RING 1
33 3540-13260 • BOLT 1
34 0224-40610 • BOLT 1
35 6251-13240 • HOLDER(A) 1
36 3540-13251 • HOLDER(B) 1
37 T3042-17100 HANGER ASSY 1
38 6520-17110 • HANGER 1
39 6520-17120 • CLAMP 1
40 0263-90525 • SCREW 1
41 T3114-12510 PLATE, name 1
42 T3114-12590 PLATE, number 1
43 6425-12552 PLATE, caution 1
44 T3114-14000 HANDLE ASSY 1
45 T3114-14110 • HANDLE 1
46 0263-90530 • SCREW 4
47 6489-24000 GUARD ASSY 1
48 6489-24110 • GUARD 1
49 6489-24200 • PLATE COMP 1
50 6489-24210 • • PLATE 1
51 6489-24220 • • BLADE 1
52 0277-10412 • • SCREW 1
53 6489-24120 • PLATE 1
54 01252-30516 • BOLT 4
55 01601-20513 • WASHER 4
56 3540-13283 COVER 1
57 6251-15910 COVER 1
58 6220-17202 HARNESS ASSY 1
59 6298-14343 SAW 1
60 T3114-18000 GRIP ASSY 1
61 K2300-000240 • GRIP (R) 1
62 K2300-000230 • GRIP (L) 1
63 K3200-000350 • CLAMP (A) 1
64 K3300-000010 • PLATE (A) 1
Key# PART NUMBER DESCRIPTION Q'TY
/UNIT NOTE
65 K3300-000020 • PLATE (B) 1
66 K5100-000240 • COLLAR 1
67 K5100-000220 • SPRING 1
68 K2300-000260 • SAFETY LEVER 1
69 K2300-000250 • THROTTLE LEVER 1
70 K3200-000360 • CLAMP (B) 1
71 K5100-000230 • SPRING 1
72 K5100-000210 • SPRING 1
73 K2300-000270 • PLATE 1
74 B1122-C2910H • SCREW 1
75 K2300-000280 • SWITCH 1
76 K5200-000090 • CORD 1
77 K5100-000270 • CABLE COMP 1
78 K5100-000201 • • THROTTLE CABLE 1
79 K5200-000130 • • SLEEVE 1
80 K2300-000390 • LID 1
81 B1176-090530 • SCREW 4
82 B1181-04054606 • NUT 4
83 T3113-91000 TOOL KIT 1
84 1030-91340 • DRIVER 1
85 3144-91160 • SOCKET 1
86 09007-00425 • WRENCH 1
87 09007-00528 • WRENCH 1
88 3540-91110 • BAR 1
89 T3115-93110 MANUAL 1
Key# PART NUMBER DESCRIPTION Q'TY
/UNIT NOTE
Fig.4 CUTTER GROUP
BC4301DLM

Fig.5 CUTTER GROUP
BC4301DWM

1 4050-11110 HOUSING 1
2 4050-11150 CAP 1
3 T3042-11210 JOINT 1
4 4050-11250 ABSORBER-F 1
5 4050-11260 ABSORBER-R 1
6 01252-30530 BOLT 4
7 01252-30630 BOLT 1
8 01252-30510 BOLT 1
9 4050-11311 DRUM 1
10 06004-06202 BEARING 1
11 04065-03515 RING 1
12 04064-01510 RING 1
13 3544-11510 BOLT 4
14 T3042-12100 PIPE COMP 1
15 6340-12210 SHAFT 1
16 6562-13000 GEARCASE-ASS’Y 1
17 6562-13110 • GEARCASE 1
18 06000-06000 • BEARING 1
19 06000-06202 • BEARING 1
20 3130-13141 • SEAL 1
21 04065-03515 • RING 1
22 01252-30510 • BOLT 1
23 3540-13212 • SHAFT, gear 1
24 3540-13220 • GEAR 1
25 01643-31032 • WASHER 1
26 3544-13280 • WASHER 1
27 3540-13290 • BOLT 1
28 3540-13311 • PINION 1
29 06000-06001 • BEARING 1
30 06001-06001 • BEARING 1
31 3130-13270 • RING 1
32 04065-02812 • RING 1
33 3540-13260 • BOLT 1
34 0224-40610 • BOLT 1
35 6251-13240 • HOLDER(A) 1
36 3540-13251 • HOLDER(B) 1
37 3540-14900 BRACKET-ASS’Y 1
38 3540-14910 • BRACKET 1
39 3540-14920 • CAP-L 1
40 3540-14930 • CAP-U 1
41 3540-14140 • ABSORBER 2
42 3540-14150 • CLAMP-A 1
43 3540-14160 • CLAMP-B 1
44 01252-30525 • BOLT 6
45 01252-30530 • BOLT 4
46 T3042-17100 HANGER ASSY 1
47 6520-17110 • HANGER 1
48 6520-17120 • CLAMP 1
49 0263-90525 • SCREW 1
50 T3115-12510 PLATE, name 1
51 T3115-12590 PLATE, number 1
52 6425-12552 PLATE, caution 1
53 6489-24000 GUARD ASSY 1
54 6489-24110 • GUARD 1
55 6489-24200 • PLATE COMP 1
56 6489-24210 • • PLATE 1
57 6489-24220 • • BLADE 1
58 0277-10412 • • SCREW 1
59 6489-24120 • PLATE 1
60 01252-30516 • BOLT 4
61 01601-20513 • WASHER 4
62 3540-13283 COVER 1
63 6251-15910 COVER 1
64 6220-17202 HARNESS ASSY 1
Key# PART NUMBER DESCRIPTION Q'TY
/UNIT NOTE
65 4050-17110 PROTECTOR 1
66 3540-93120 BAND 1
67 6298-14343 SAW 1
68 T3111-14300 HANDLE-L COMP 1
69 T3113-14100 HANDLE-R COMP 1
70 T3111-14110 • HANDLE-R 1
71 K6010-000550 • GRIP&LEV, COMP 1
72 K2200-000040 • • LABEL 1
73 K2300-000050 • • GRIP (L) 1
74 B1181-040545 • • NUT 1
75 K2300-000080 • • SWITCH 1
76 K5100-000030 • • SPRING 1
77 K5100-000040 • • SPRING 1
78 K2300-000090 • • HOLDER 1
79 B1122-C2910H • • SCREW, M3x10 2 Tapping
80 K5100-000020 • • SPRING 1
81 K2300-000070 • • LEVER 1
82 K5100-000010 • • SPRING 1
83 K2300-000060 • • LEVER 1
84 K1300-000060 • • PLUG 1
85 K5100-000050 • • SPRING 1
86 K2300-000040 • • GRIP (R) 1
87 B1111-A0530H • • SCREW, M5x30 1
88 B1122-C4220H • • SCREW, M4x20 5 Tapping
89 K5200-000070 • CORD 1
90 K5100-000130 • CABLE 1
91 K5200-000080 • TUBE 1
92 T3113-91000 TOOL KIT 1
93 1030-91340 • DRIVER 1
94 3144-91160 • SOCKET 1
95 09007-00425 • WRENCH 1
96 09007-00528 • WRENCH 1
97 3540-91110 • BAR 1
98 T3115-93110 MANUAL 1
Key# PART NUMBER DESCRIPTION Q'TY
/UNIT NOTE
Fig.5 CUTTER GROUP
BC4301DWM

Fig.6 ENGINE GROUP
BC4301DLM/BC4301DWM

1 4500-12110 CYLINDER 1
2 1850-12130 BOLT 4 M5x20
3 4500-13120 GASKET, base 1
4 4500-21101 CRANKCASE COMP. 1
5 2629-21130 • PIN 3
6 4500-21140 GASKET, case 1
7 06030-06201 BEARING 2
8 4810-21210 OIL SEAL 1
9 1650-21220 OIL SEAL 1
10 01252-30530 BOLT 4 M5x30
11 04065-03212 SNAP RING 1
12 4500-41110 PISTON 1
13 1400-41220 RING 2
14 2850-41310 PIN 1
15 1300-41320 RING 2
16 T2100-41410 BEARING 1
17 2850-41510 WASHER 2
18 4500-42000 CRANKSHAFT COMP. 1
19 4500-51110 SHOE, clutch 2
20 4500-51220 SPRING 1
21 1200-51211 SCREW 2
22 1200-51230 WASHER 2
23 1200-51241 WASHER 2
24 4500-71110 ROTOR 1
25 4500-71200 COIL ASS’Y 1
26 4500-71220 • CORD 1
27 2616-71320 • CAP 1
28 3356-21130 • PIN 2
29 5500-72130 GROMMET 1
30 5500-72110 CAP, plug 1
31 1900-72120 SPRING 1
32 4500-72150 BOLT 2 M4x22
33 1650-43230 NUT 1
34 1000-43240 KEY 1
35 4500-15110 MUFFLER ASS’Y 1
36 01252-30565 BOLT 2
37 3310-31720 BOLT 1 M5x14
38 4700-15211 GASKET, muffler 1
39 4500-15220 PLATE, muffler 1
40 0263-90514 SCREW 1
41 4500-31110 COVER 1
42 3310-12281 BOLT 4 M5x20
43 4500-31210 PLATE 1
44 4500-32110 COVER 1
45 4500-32120 SCREW 4
46 4500-32210 GUARD 1
47 5933-73110 SPARKPLUG (Champion) 1 BPMR7A
48 1852-72121 GROMMET 1
49 T1007-73200 CORD COMP. 1
50 1140-72231 CLAMP 1
51 4500-75100 RECOIL ASS’Y 1
52 4500-75120 • REEL 1
53 4500-75150 • SCREW 1
54 1850-75130 • SPRING, spiral 1
55 4500-75180 • COLLAR 1
56 4500-75190 • ARM 1
57 4500-75160 • ROPE 1
58 1140-75320 • KNOB 1
59 5500-75170 • PLATE, stopper 1
60 4500-75210 PULLEY 1
61 4500-75511 SCREW 4
62 4500-75310 PLATE 1
63 01643-30823 WASHER 1
64 4500-13161 INSULATOR 1
65 4500-13181 SCREW 2 M5x20
Key# PART NUMBER DESCRIPTION Q'TY
/UNIT NOTE
66 4500-13150 GASKET, insulator 1
67 4500-13130 GASKET, carburetor 1
68 4500-81001 CARBURETOR ASS’Y 1 WYK-93
69 1850-81450 • BODY ASS’Y 1
70 3306-81380 • • SCREEN 1
71 3356-81310 • • VALVE 1
72 1850-81270 • • SPRING 1
73 1850-81220 • • SCREW 1
74 3310-81250 • • PIN 1
75 3310-81230 • • LEVER 1
76 1850-81490 • BODY, purge 1
77 1850-81520 • COVER, pump 1
78 1751-81510 • PUMP, priming 1
79 3310-81260 • DIAPHRAGM 1
80 1850-81470 • GASKET, diaphragm 1
81 1065-81420 • DIAPHRAGM, pump 1
82 1065-81410 • GASKET, pump 1
83 5500-81160 • WASHER 1
84 1751-81130 • RING 1
85 1881-81140 • SWIVEL 1
86 4500-81150 • VALVE ASS’Y 1
87 1752-81110 • SCREW 2
88 5500-81120 • BRACKET 1
89 1751-81180 • NUT, adjuster 1
90 5730-81170 • SCREW, adjuster 1
91 1881-81130 • RING 1
92 1850-81530 • SCREW 4
93 1484-81610 • NEEDLE, high 1
94 1491-81160 • SPRING 1
95 1881-81190 • WASHER 1
96 1881-81240 • O-RING 1
97 0263-30550 SCREW 2 M5x50
98 4500-82100 BODY ASS’Y 1
99 4500-82130 • PLATE, choke 1
100 4500-82140 • LEVER, choke 1
101 2630-33610 • SCREW 1
102 4500-82170 ELEMENT 1
103 4500-82180 SCREEN 1
104 4500-82201 COVER ASS’Y 1
105 5500-82221 • KNOB 1
107 T1015-85003 TANK ASS’Y 1
108 T1015-85202 • CAP ASS’Y 1
109 4500-85300 • • HOLDER-A 1
111 5601-85260 • • FILTER 1
112 4500-85220 • • PACKING 1
113 4820-85260 • • STOPPER 1
114 T1015-85300 • PIPE COMP. 1
115 3302-85400 • FILTER ASS’Y 1
116 1260-85460 • CLIP 1
117 1600-86120 SCREW 4
118 T1012-75410 LABEL, recoil 1
119 1660-31121 LABEL 1
120 2634-31420 LABEL (CE) 1
121 T1013-83000 CABLE ASS'Y 1 DLM
122 T1013-83100 • CABLE 1 DLM
123 2247-73200 • CORD 1 DLM
124 2319-73310 • TUBE 1 DLM
125 4500-22110 GUARD 1
126 0263-90514 SCREW 1 M5x4
Key# PART NUMBER DESCRIPTION Q'TY
/UNIT NOTE
Fig.6 ENGINE GROUP
BC4301DLM/BC4301DWM

1-9 Minamidai, Kawagoe, Saitama, 350-1192 Japan
PRINTED IN JAPAN
PRINTED ON RECYCLED PAPER
IMPRIMÉ SUR PAPIER RECYCLÉ
GEDRUCKT AUF RECYCLING PAPIER
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IMPRESO EN PAPEL RECICLADO