Zenoah BC3410FW User manual

T3242-93121 (708)
BC3410FW
BC4310FW
BRUSHCUTTERS
August 2007
NOTE :
1. Use ZENOAH genuine parts specified in the parts list for repair and/or replacement.
2. 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 : 300101 and up
PARTS LIST

Fig.1 ENGINE UNIT
BC3410FW/BC4310FW
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
1A T1151-12110 CYLINDER 1 BC3410
1B 4500-12110 CYLINDER 1 BC4310
21850-12130 BOLT 4 M5xL22
34500-13120 GASKET, cylinder 1
44500-21101 CRANKCASE COMP. 1
52629-21130 • PIN 3
64500-21140 GASKET CASE 1
706030-06201 BEARING 2
84810-21210 OIL SEAL 1
91650-21220 OIL SEAL 1
10 01252-30530 BOLT 4 M5xL30
11 04065-03212 SNAP RING 1
12A 4700-41110 PISTON 1 BC3410
12B 4500-41110 PISTON 1 BC4310
13A 1650-41210 RING 2 BC3410
13B 1400-41220 RING 2 BC4310
14A 1030-41310 PIN 1 BC3410
14B 2850-41310 PIN 1 BC4310
15 1300-41320 RING 2
16 T2100-41410 BEARING 1
17 2850-41510 WASHER 2
18 4500-42000 CRANKSHAFT COMP. 1
19A 1400-51111 SHOE, clutch 2 BC3410
19B 4500-51111 SHOE, clutch 2 BC4310
20A 1651-51220 SPRING 1 BC3410
20B 4500-51220 SPRING 1 BC4310
21 1200-51211 SCREW 2
22 1200-51230 WASHER 2
23 1200-51241 WASHER 2
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
24 T1153-71110 ROTOR 1
25A T1158-71200 COIL ASSY 1 BC3410
25B T1117-71200 COIL ASSY 1 BC4310
26 4570-71220 • CORD 1
27 2616-71320 • CAP 1
28 T1153-71250 • PIN 2
29 5500-72110 • CAP, plug 1
30 5500-72120 • SPRING 1
31 3350-14150 BOLT 2 M4xL20
32 3699-90020-10 SPARK PLUG 1 CJ6Y
33 1650-43230 NUT 1 M8
34 1000-43240 KEY 1
35A 4770-15110 MUFFLER 1 BC3410
35B 4570-15110 MUFFLER 1 BC4310
36A 01252-30560 BOLT 2 BC3410
36B 01252-30565 BOLT 2 BC4310
37 3310-31720 BOLT 1 M5xL14
38 T1048-15210 GASKET 1
39 4570-15220 PLATE 1
40 0263-90514 SCREW 1
41 T1117-31111 COVER, fan 1
42 3310-12281 BOLT 4 M5xL20
43 4500-31210 PLATE 1
44 4500-22110 GUARD 1
45 0263-90514 SCREW 1 M5xL14
46 8488K40010 CLAMP 1
47 T1085-71240 CORD COMP. 1

BC3410FW/BC4310FW
Fig.2 ENGINE UNIT
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
14570-32110 COVER 1
24500-32120 SCREW 3 M5xL12
34570-31900 STAND COMP. 1
43356-32210 SCREW 2
50263-90520 SCREW 1 M5xL20
6T1157-75100 RECOIL ASSY 1
74500-75210 PULLEY 1
84500-75511 SCREW 4 M6xL14
94700-75310 COLLAR 1
10 4550-13160 INSULATOR 1
11 4500-13150 GASKET, insulator 1
12 4550-13130 GASKET, carburetor 1
13A T1158-81000 CARB ASSY (G11P-1R) 1 BC3410
13B T1117-81000 CARB ASSY (G12P-1B) 1 BC4310
14 0263-90565 SCREW 2 M5xL65
15 1416-83100 CABLE COMP. 1
16 4570-82000 CLEANER ASSY 1
17 1400-82113 • BODY 1
18 4570-82120 • COVER 1
19 1418-82130 • ELEMENT 1
20 1400-82141 • SCREEN 1
21 4550-82150 SCREW 2 M4xL25
22 1133-82060 LABEL 1
23 848G7G8501 TANK ASSY 1
24 2133-85302 • CAP ASSY 1
25 4570-85230 • • CAP INNER 1
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
26 1030-85141 • • ELEMENT 1
27 4500-85220 • • PACKING 1
28 3317-57242 • • STOPPER 1
29 1400-85104 • JOINT ASSY 1
30 1400-85141 • • GROMMET 1
31 1000-08050 • • TUBE 1 L50
32 1410-86130 • • CLIP 1
33 3073-86130 CLIP 1
34 1600-86120 SCREW 4 M5xL22
35 1660-31121 LABEL 1
36A T1072-75410 LABEL, recoil 1 BC3410
36B 848G5390C1 LABEL, recoil 1 BC4310

Fig.3 RECOIL STARTER Fig.4 CARBURETOR
BC3410FW/BC4310FW
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
T1157-75100 RECOIL ASSY 1
14500-75120 • REEL 1
24500-75150 • SCREW 1
31850-75130 • SPRING, spiral 1
44500-75180 • COLLAR 1
54500-75190 • SWING ARM 1
64500-75160 • ROPE 1 ø3.5xL880
7T1600-75310 • KNOB 1
8T1600-75321 • COLLAR 1
9T1157-75330 • SPRING 1
10 4820-75210 • WASHER 1
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
AT1158-81000 CARB ASSY (G11P-1R) 1 BC3410
BT1117-81000 CARB ASSY (G12P-1B) 1 BC4310
1A 1030-81000-14 • SPRING, throttle 1 BC3410
1B 1335-81060 • SPRING, throttle 1 BC4310
2A 1660-81151 • VALVE, throttle 1 BC3410
2B 4550-81150 • VALVE, throttle 1 BC4310
3A 5993-81210 • NEEDLE, jet 1 BC3410
3B 1614-81210 • NEEDLE, jet 1 BC4310
41030-81000-16 • CLIP 1
5A 1030-81000-17 • RECEIVE, spring 1 BC3410
5B 1335-81070 • RECEIVE, spring 1 BC4310
61400-81230 • JET, needle 1
7A 1620-81240 • JET, main #62 1 BC3410
7B 4550-81240 • JET, main #67 1 BC4310
81335-81180 • FLOAT 1
91400-81310 • CHAMBER, float 1
10 1400-81320 • PACKING, float chamber 1
11 0260-10412 • SCREW 2 M4xL12
12 1650-81122 • CAP, body 1
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
13 1141-81120 • CAP 1
14 1650-81361 • VALVE, needle 1
15 1400-81340 • HINGE 1
16 1400-81350 • PIN 1
17 1403-81500 • COCK ASSY 1
18 1400-81540 • O-RING 1
19 0260-10410 • SCREW 2 M4xL10
20 1650-81260 • SPRING 1
21A 1650-81251 • SCREW, aidle adjust 1 BC3410
21B 2751-81250 • SCREW, aidle adjust 1 BC4310
22A 1650-81710 • PIPE 1 BC3410
22B 4550-81710 • PIPE 1 BC4310
23 1400-81650 • SCREW, drain 1
24 1400-81660 • PACKING 1

BC3410FW/BC4310FW
Fig.5 DRIVE SHAFT
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
14050-11110 HOUSING 1
24050-11150 CAP 1
34000-11210 JOINT 1
44050-11250 ABSORBER F 1
54050-11260 ABSORBER R 1
63180-13141 DUST SEAL 1
73541-11450 SPACER 1
801252-30530 BOLT 4 M5xL30
9848B8151A1 DRUM 1
10 06004-06202 BEARING 1
11 04065-03515 RING 1
12 04064-01510 RING 1
13 3263-11410 RING 1
14 4000-11140 PLATE 2
15 04065-03715 RING 1
16 848B7338B1 HANGER 1
17 1491-21511 BOLT 1 M6xL30
18 3541-11441 BRACKET COMP. 1
19 3541-11432 • BRACKET 1
20 0224-00635 • BOLT 1 M6xL35
21 3540-11460 • NUT 1
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
22 01642-20608 • WASHER 1
23 3541-11450 • SPACER 1
24 0224-00625 BOLT 1 M6xL25
25 01642-20608 WASHER 1
26 848B745820 PIPE COMP. 1 D26xd23x
1440
27 3247-11321 • BUSH 5
28 3540-12212 SHAFT 1 D8x1480
Spline
29 4000-13000 GEARCASE ASSY 1

BC3410FW/BC4310FW
Fig.6 HANDLE·GUARD·HARNESS
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
1T3242-14500 HANDLE, (R) ASSY 1
2T3242-14300 • HANDLE, (R) COMP. 1
38488R00190 • LEVER COMP. 1
4T3040-14511 • COLLAR 1
5T3242-14370 • TUBE 1
63540-93120 • BAND 1
7T3190-14201 HANDLE, (L) COMP. 1
83532-14102 BRACKET ASSY 1
93541-14172 • BRACKET 1
10 3541-14182 • CAP L 1
11 3257-14192 • CAP U 1
12 01252-30525 • BOLT 6 M5xL25
13 6358-24002 GUARD ASSY 1
14 6358-24102 • GUARD COMP. 1
16 6041-24140 • BLADE 1
17 3320-15310 • NUT 2
18 0263-30512 • SCREW 2
19 3541-24121 • CLAMP (T) 1
20 3540-24130 • BOLT 2 M6XL30
21 0290-20615 • WASHER 2
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
22 6565-17201 HARNESS ASSY 1
23 6565-17211 • HOOK COMP. 1
24 6565-17220 • PLATE 1
25 6565-17200-02 • PROTECTOR 1
26 T3190-17110 PROTECTOR 1
27 6468-91150 BOLT 4 M6xL20
28 T3242-12510 PLATE, name 1

Fig.7 GEARCASE Fig.8 ACCESSORIES
BC3410FW/BC4310FW
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
4000-13000 GEARCASE ASSY 1
13541-13194 • GEARCASE 1
206000-06000 • BEARING 1
306000-06201 • BEARING 1
43180-13141 • SEAL 1
504065-03212 • RING 1
64050-13210 • SHAFT 1
73180-13220 • GEAR 1
83541-13241 • HOLDER A 1
93541-13251 • HOLDER B 1
10 3310-43210 • WASHER 1
11 01643-30823 • WASHER 1
12 3579-33260 • BOLT 1 M8, Left
13 01252-30510 • BOLT 1 M5xL10
14 0224-40610 • BOLT 1 M6xL10
15 3540-13260 • BOLT 1 M6xL35
16 3541-13311 • PINION 1
17 06000-06000 • BEARING 1
18 06001-06000 • BEARING 1
19 3180-13330 • RING 1
20 04065-02612 • RING 1
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
16041-99220 SHAFT 1
26041-99240 SHAFT 1
3T3219-15101 TAP HEAD ASSY 1
4T3219-15111 • CASE 1
5T3189-15191 • EYELET 2
6T3189-15132 • COVER 1
7T3189-15142 • COAD HOLDER 1
8T3189-15160 • SPRING 1
9848BU369S0 • CORD 1
10 3520-91110 BAG 1
11 3532-91000 TOOL SET 1
12 1030-91340 • DRIVER 1
13 3239-91310 • SOCKET 1
14 09007-00425 • WRENCH 1 for M5
15 09007-00528 • WRENCH 1 for M6
16 3540-91110 • BAR 1
17 3540-91120 • SPANNER 1