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
2
1850-12130 BOLT
4
M5xL22
3
4500-13120 GASKET, cylinder
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
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
