Zenoah Chainsaw G451 G4500 User Manual

2847-93120(111)  
CHAIN SAW  
G451/G4500  
G5000  
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  
Nov. 2001  
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Fig.1 POWER UNIT  
G451/G4500  
Key# PART NUMBER  
G5000  
Key# PART NUMBER  
Q'TY  
Q'TY  
DESCRIPTION  
NOTE  
DESCRIPTION  
NOTE  
/UNIT  
/UNIT  
1
2
3
4
5
6
7
8
9
2670-12113 Cylinder  
1
1
1
1
1
1
2
1
1
1
4
2
2
1
1
1
1
1
3
2
1
1
1
2
1
1
1
1
5
1
1
1
1
2
1
2
1
2
1
1
1
ø43  
1
2
3
2880-12111 Cylinder  
1
1
ø45  
2810-14110 Inlet Pipe  
2817-14121 Gasket (K2810-06012)  
2670-14130 Screw M5x10  
2880-14150 Inner Guide  
2670-14311 Bracket  
2880-14111 Inlet Pipe  
2880-14120 Spring  
Kit  
5
6
7
8
9
2880-14150 Inner Guide  
2670-14311 Bracket  
2670-14320 Screw M5x14  
2880-14350 Spacer  
1
1
2
1
1
1
4
2
2
1
1
1
1
1
3
2
1
1
1
2
1
1
1
1
5
1
1
1
1
2
1
2
1
2
1
1
1
2670-14320 Screw M5x14  
2880-14350 Spacer  
2880-14360 Gasket  
2880-14360 Gasket  
10 2670-14211 Gasket, Cylinder (K2810-06012)  
11 2850-14220 Bolt, Cylinder M5x20  
12 2810-15220 Bolt, Muffler M5x83  
13 2850-15230 Nut, Muffler M5  
14 2810-15113 Muffler  
Kit  
Kit  
10 2670-14211 Gasket, Cylinder (K2810-06012)  
11 2850-14220 Bolt, Cylinder M5x20  
12 2810-15220 Bolt, Muffler M5x83  
13 2850-15230 Nut, Muffler M5  
14 2810-15113 Muffler  
Kit  
Kit  
15 2670-14130 Screw M5x10  
16 3356-15210 Gasket, Muffler (K2810-06012)  
17 2810-15310 Cover  
15 2670-14130 Screw M5x10  
16 3356-15210 Gasket, Muffler (K2810-06012)  
17 2810-15310 Cover  
18 2810-2100A Crankcase Assembly  
19 3356-21130 • Spring Pin  
20 T4012-21240 • Bearing 15x35x11  
21 04065-03515 • Snap Ring ø35  
22 2670-21210 • Oil Seal 15x35x4.5  
23 2670-21220 • Oil Seal 15x28X4.5  
24 2616-21230 • Stud  
18 2810-2100A Crankcase Assembly  
19 3356-21130 • Spring Pin  
20 T4012-21240 • Bearing 15x35x11  
21 04065-03515 • Snap Ring ø35  
22 2670-21210 • Oil Seal 15x35x4.5  
23 2670-21220 • Oil Seal 15x28X4.5  
24 2616-21230 • Stud  
25 2670-21250 • Elbow  
25 2670-21250 • Elbow  
26 2810-22511 • Stopper  
26 2810-22511 • Stopper  
27 2810-22521 • Stopper  
27 2810-22521 • Stopper  
28 2670-21311 Gasket, Case (K2810-06012)  
29 2670-21320 Screw M5x25  
30 2810-22210 Pipe 3x7x105  
31 3310-82230 Clip  
Kit  
28 2670-21311 Gasket, Case (K2810-06012)  
29 2670-21320 Screw M5x25  
30 2810-22210 Pipe 3x7x105  
31 3310-82230 Clip  
Kit  
32 2810-22411 Matte  
32 2810-22411 Mat  
33 2670-41114 Piston ø43  
33 2880-41110 Piston ø45  
34 2670-41211 Piston Ring ø43  
35 3350-41310 Piston Pin8x11x34.5  
36 3350-41320 Snap Ring  
34 2880-41210 Piston Ring ø45  
35 2880-41310 Piston Pin 7.4x11x37.5  
36 3350-41320 Snap Ring  
37 1400-41410 Needle Bearing 11x15x12.3  
38 2670-41510 Washer  
37 1400-41410 Needle Bearing 11x15x12.3  
38 2670-41510 Washer  
39 2880-42001 Crankshaft Complete  
40 1000-43240 Key  
39 2880-42001 Crankshaft Complete  
40 1000-43240 Key  
41 2810-06012 Gasket Kit  
41 2810-06012 Gasket Kit  
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G451/G4500/G5000  
Fig.2 IGNITION,STARTING  
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Fig.2 IGNITION,STARTING  
G451/G4500  
Key# PART NUMBER  
G5000  
Key# PART NUMBER  
Q'TY  
Q'TY  
DESCRIPTION  
NOTE  
DESCRIPTION  
NOTE  
/UNIT  
/UNIT  
1
2
3
4
5
6
7
8
9
2670-71101 Rotor assembly  
1
2
2
2
1
1
1
1
1
1
1
1
1
1
2
1
2
3
4
5
6
7
8
9
2670-71101 Rotor assembly  
1
2
2
2
1
1
1
1
1
1
1
1
1
1
2
1850-75220 • Ratchet  
2670-71130 • Spring  
0308-00040 • Ring  
3350-43231 Nut M8  
1850-75220 • Ratchet  
2670-71130 • Spring  
0308-00040 • Ring  
3350-43231 Nut M8  
0290-20820 Washer M8  
2880-71300 Coil Assembly  
2810-71204 • Coil Complete  
2810-71220 • • Cord  
0290-20820 Washer M8  
2880-71300 Coil Assembly  
2810-71204 • Coil Complete  
2810-71220 • • Cord  
10 2670-71230 • • Grommet  
11 2810-72110 • Plug cap  
12 1400-72121 • Spring  
13 2670-71320 • Tube  
10 2670-71230 • • Grommet  
11 2810-72110 • Plug cap  
12 1400-72121 • Spring  
13 2670-71320 • Tube  
14 2810-71250 Grommet  
15 2670-14220 Screw M5x20  
14 2810-71250 Grommet  
15 2670-14220 Screw M5x20  
18 2670-71510 Cord  
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
2
18 2670-71510 Cord  
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
2
19 2880-71600 Switch assembly  
20 2810-71610 • Switch  
19 2880-71600 Switch assembly  
20 2810-71610 • Switch  
21 2670-71621 • Switch Cover  
22 2880-71630 • Plate  
21 2670-71621 • Switch Cover  
22 2880-71630 • Plate  
23 2670-14130 Screw M5x10  
24 3699-90431 Spark plug (NGK BPM7Y)  
25 2810-21270 Plate  
23 2670-14130 Screw M5x10  
24 3699-90512 Spark plug (NGK BPM8Y)  
25 2810-21270 Plate  
26 0260-30410 Screw M4x10  
27 2881-75000 Starter assembly  
28 2810-75110 • Recoil case complete  
29 2810-75120 • Guide  
26 0260-30410 Screw M4x10  
27 2881-75000 Starter assembly  
28 2810-75110 • Recoil case complete  
29 2810-75120 • Guide  
30 2810-75150 • Boss  
30 2810-75150 • Boss  
31 2670-75212 • Reel  
31 2670-75212 • Reel  
32 3317-75300 • Spring complete  
33 2670-75411 • Rope  
32 3317-75300 • Spring complete  
33 2670-75411 • Rope  
34 T2041-75420 • Knob  
34 T2041-75420 • Knob  
35 T2041-75431 • Collar  
35 T2041-75431 • Collar  
37 2881-75440 • Spring B  
38 1400-86280 • Washer  
39 2670-14220 • Screw  
37 2881-75440 • Spring B  
38 1400-86280 • Washer  
39 2670-14220 • Screw  
1
1
1
1
1
1
4
1
1
1
1
1
1
1
4
1
1
40 2880-75600 Fan cover complete  
41 2670-75613 • Cover  
40 2880-75600 Fan cover complete  
41 2670-75613 • Cover  
42 2880-75620 • Sheet  
42 2880-75620 • Sheet  
43 2670-14320 Screw  
43 2670-14320 Screw  
44 2811-75132 Label, Recoil  
45 2881-98611 Snow protector  
44 2881-75131 Label, Recoil  
45 2881-98611 Snow protector  
OP  
OP  
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RECOIL STARTER of G451AVS  
The difference between G451 and G4500 is only the recoil starter.  
This is the parts list of G451 recoil starter.  
key# part number  
A 2880-75002  
B 2810-75110  
C 2810-75120  
D 2810-75150  
E 2670-75211  
F 3317-75300  
G 2670-75410  
H 1400-75170  
I 3310-75431  
J 1400-86280  
K 2670-14220  
discription  
starter assy  
case  
guide  
boss  
reel  
spring comp  
rope  
washer  
washer  
screw  
Q'ty/unit  
1
1
1
1
1
1
1
1
1
1
1
screw  
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G451/G4500/G5000  
Fig.3 HANDLE  
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Fig.3 HANDLE  
G451/G4500  
Key# PART NUMBER  
G5000  
Key# PART NUMBER  
Q'TY  
Q'TY  
DESCRIPTION  
NOTE  
DESCRIPTION  
NOTE  
/UNIT  
/UNIT  
1
2
2810-32100 Left handle complete  
2671-32210 Screw M5x19 BT  
1
4
1
2
3
4
5
6
7
8
9
2880-32101 Left handle complete  
2671-32210 Screw M5x19 BT  
2880-32250 Bracket  
1
4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
3
4
3
1
4
2
2
2
2670-14130 Screw M5x10  
2880-32270 Screw M5x8  
2880-31211 Damper  
7
8
9
2810-33007 Right handle assembly  
3330-33250 • Stopper  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
3
4
3
1
4
2
2
2
2810-33007 Right handle assembly  
3330-33250 • Stopper  
3310-33262 • Spring  
3310-33262 • Spring  
10 3310-33271 • Knob  
10 3310-33271 • Knob  
11 2810-33280 • Damper (A)  
12 2670-75520 • Screw  
11 2810-33280 • Damper (A)  
12 2670-75520 • Screw  
13 2810-33210 • Gasket  
14 2670-33311 • Throttle lever  
15 3356-33321 • Throttle spring  
16 04025-00524 • Spring pin ø5.2x24  
17 3356-33352 Arm  
13 2810-33210 • Gasket  
14 2670-33311 • Throttle lever  
15 3356-33321 • Throttle spring  
16 04025-00524 • Spring pin ø5.2x24  
17 3356-33352 Arm  
18 2670-34110 Grip cover  
19 2671-32210 Screw M5x19 BT  
20 2810-25210 Chain catcher  
21 2670-14320 Screw M5x14  
22 2880-35111 Damper  
23 2670-35120 Screw M5x16 BT  
24 2810-35150 Damper cap  
25 2881-35110 Spring  
18 2670-34110 Grip cover  
19 2671-32210 Screw M5x19 BT  
20 2810-25210 Chain catcher  
21 2670-14320 Screw M5x14  
22 2880-35111 Damper  
23 2670-35120 Screw M5x16 BT  
24 2810-35150 Damper cap  
25 2881-35110 Spring  
26 2881-35120 Spacer  
26 2881-35120 Spacer  
27 2880-35211 Damper  
28 3350-35170 Bolt  
27 2880-35211 Damper  
28 3350-35170 Bolt  
29 2880-35250 Cap  
29 2880-35250 Cap  
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G451/G4500/G5000  
Fig.4 FUELING SYSTEMS  
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Fig.4 FUELING SYSTEMS  
G451/G4500  
Key# PART NUMBER  
G5000  
Key# PART NUMBER  
Q'TY  
Q'TY  
DESCRIPTION  
NOTE  
DESCRIPTION  
NOTE  
/UNIT  
/UNIT  
1A 2810-31115 Cylinder cover  
1
1B 2880-31101 Cylinder cover  
1
1
5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
3
4
5
6
7
8
9
2880-31120 • Nut  
3
4
5
6
7
8
9
2670-14320 Screw M5x14  
2854-31513 Label  
5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2670-14320 Screw M5x14  
2854-31513 Label  
2810-83305 Cleaner cover complete  
3356-83322 • Knob  
2810-83305 Cleaner cover complete  
3356-83322 • Knob  
3388-83340 • Gasket, cap  
2810-83500 • Air cleaner complete  
2810-83520 • • Seal  
3388-83340 • Gasket, cap  
2810-83500 • Air cleaner complete  
2810-83520 • • Seal  
10 1600-33130 • Screw  
10 1600-33130 • Screw  
11 2810-83410 • Grommet, Air cleaner  
12 2810-83101 Air cleaner complete  
13 2813-31210 Label  
11 2810-83410 • Grommet, Air cleaner  
12 2810-83101 Air cleaner complete  
13 2813-31210 Label  
14 2880-82310 Guide ( I )  
14 2880-82310 Guide ( I )  
15 2880-82350 Guide (HL)  
16 2880-82102 Manifold complete  
17 2810-82141 Supporter  
15 2880-82350 Guide (HL)  
16 2880-82102 Manifold complete  
17 2810-82141 Supporter  
18 2880-82210 Screw M5x52  
19 2880-82410 Choke rod  
20 2670-82421 Grommet, Choke  
21 2670-82430 Guide  
18 2880-82210 Screw M5x52  
19 2880-82410 Choke rod  
20 2670-82421 Grommet, Choke  
21 2670-82430 Guide  
22 2880-82511 Throttle rod  
23 2810-82520 Grommet, throttle  
24 2810-34303 Fuel pipe assembly  
25 2810-34312 • Fuel pipe  
26 2810-34350 • Collar  
22 2880-82511 Throttle rod  
23 2810-82520 Grommet, throttle  
24 2810-34303 Fuel pipe assembly  
25 2810-34312 • Fuel pipe  
26 2810-34350 • Collar  
27 3302-85400 • Filter assembly  
28 2670-34401 Tank cap assembly  
29 2670-34430 • Gasket, Tank cap  
30 2670-34500 Breather Assembly  
31 3350-34540 • Pipe  
27 3302-85400 • Filter assembly  
28 2670-34401 Tank cap assembly  
29 2670-34430 • Gasket, Tank cap  
30 2670-34500 Breather Assembly  
31 3350-34540 • Pipe  
32 1260-85460 • Clip  
32 1260-85460 • Clip  
33 T2041-75810 Label  
33 T2041-75810 Label  
34 2811-98501 Air cleaner complete  
OP(Felt)  
34 2811-98501 Air cleaner complete  
OP(Felt)  
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G451/G4500/G5000  
Fig 5 OIL SYSTEM, CLUTCH  
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Fig 5 OIL SYSTEM, CLUTCH  
G451/G4500  
Key# PART NUMBER  
G5000  
Key# PART NUMBER  
Q'TY  
Q'TY  
DESCRIPTION  
NOTE  
DESCRIPTION  
NOTE  
/UNIT  
/UNIT  
1
2
3
4
5
6
7
8
9
2841-31801 Oil cap assembly  
2841-31820 • Gasket, cap  
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
3
1
1
3
1
1
1
1
1
2
3
4
5
6
7
8
9
2841-31801 Oil cap assembly  
2841-31820 • Gasket, cap  
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
3
1
1
3
1
1
1
1
2670-23101 Oil pipe compete  
2670-23120 • Pipe  
2670-23131 • Oil filter  
2670-23210 Pipe  
2670-23101 Oil pipe compete  
2670-23120 • Pipe  
2670-23131 • Oil filter  
2670-23210 Pipe  
3330-23121 Valve  
3350-26220 Seal  
3330-23121 Valve  
3350-26220 Seal  
3350-26230 Clip  
3350-26230 Clip  
10 2880-55100 Oil pump assembly  
11 2850-55110 • Oil pump  
12 2670-55120 • Worm Gear  
13 2670-55220 Seal  
10 2880-55100 Oil pump assembly  
11 2850-55110 • Oil pump  
12 2670-55120 • Worm Gear  
13 2670-55220 Seal  
14 2670-55410 Screw M4x14  
15 2670-55610 Pump cover  
16 2670-55410 Screw M4x14  
17 2670-51200 Clutch assembly  
18 2670-51210 • Plate  
14 2670-55410 Screw M4x14  
15 2670-55610 Pump cover  
16 2670-55410 Screw M4x14  
17 2670-51200 Clutch assembly  
18 2670-51210 • Plate  
19 3317-51220 • Clutch shoe  
20 3317-51231 • Spring  
19 3317-51220 • Clutch shoe  
20 3317-51231 • Spring  
21 2810-51310 Needle bearing 12x15x14  
22 2880-51110 Clutch drum  
23 3350-51121 Rim 325P  
21 2810-51310 Needle bearing 12x15x14  
22 2880-51110 Clutch drum  
23 3350-51121 Rim 325P  
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G451/G4500/G5000  
Fig.6 CARBURETOR  
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Fig.6 CARBURETOR  
G451/G4500  
Key# PART NUMBER  
G5000  
Key# PART NUMBER  
Q'TY  
Q'TY  
DESCRIPTION  
NOTE  
DESCRIPTION  
NOTE  
/UNIT  
/UNIT  
1
2
3
4
5
6
7
8
9
2810-81004 Carburetor assembly  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
4
1
1
1
1
1
1
2
1
1
1
1
WT-296  
1
2
3
4
5
6
7
8
9
2810-81001 Carburetor assembly  
3306-81380 • Screen  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
4
1
1
1
1
1
1
2
WT-281A  
3306-81380 • Screen  
2810-81120 • Pump cover  
3310-81130 • Screw  
2810-81120 • Pump cover  
3310-81130 • Screw  
3304-81140 • Gasket, pump  
1172-81150 • Diaphragm, pump  
2810-81170 • L needle  
1491-81160 • L needle spring  
3310-81230 • Lever  
3304-81140 • Gasket, pump  
3304-81150 • Diaphragm, pump  
2810-81170 • L needle  
1491-81160 • L needle spring  
3310-81230 • Lever  
10 3310-81240 • Screw M lever pin  
11 1262-81270 • Spring  
10 3310-81240 • Screw M lever pin  
11 1262-81270 • Spring  
12 3310-81250 • Pin, lever  
13 3310-81280 • Cover  
12 3310-81250 • Pin, lever  
13 3310-81280 • Cover  
14 3310-81260 • Diaphragm assembly  
15 3310-81290 • Gasket  
14 3310-81260 • Diaphragm assembly  
15 3310-81290 • Gasket  
16 3356-81310 • Valve, inlet  
17 3310-81360 • Screw, Shutter  
18 3356-81340 • Throttle valve  
19 2670-81410 • Throttle spring  
20 2810-81420 • Throttle shaft  
21 2630-81460 • Idle spring  
22 2670-81430 • Idle screw  
23 2880-81330 • H needle  
24 3080-81320 • H needle spring  
25 3310-81351 • Screw  
16 3356-81310 • Valve, inlet  
17 3310-81360 • Screw, Shutter  
18 3356-81340 • Throttle valve  
19 2670-81410 • Throttle spring  
20 2880-81420 • Throttle shaft  
21 2630-81460 • Idle spring  
22 2670-81430 • Idle screw  
23 2880-81331 • H needle  
24 3080-81320 • H needle spring  
25 3310-81351 • Screw  
26 2880-81460 • Choke shaft  
27 1148-81390 • Ring  
26 2880-81460 • Choke shaft  
27 1148-81390 • Ring  
28 3350-81350 • Choke spring  
29 3350-81220 • Boll  
28 3350-81350 • Choke spring  
29 3350-81220 • Boll  
30 2670-81450 • Choke valve  
31 2810-81440 • Throttle lever  
32 2880-81470 • Screw, valve  
33 2660-81510 • Pin  
30 2670-81450 • Choke valve  
31 2810-81440 • Throttle lever  
32 2880-81470 • Screw, valve  
34 2610-81520 • O ring  
35 2810-81350 • Screw  
36 3304-81910 Gasket Kit  
36 3304-81910 Gasket Kit  
1
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G451/G4500/G5000  
Fig.7 BREAKING SYSTEMS  
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Fig.7 BREAKING SYSTEMS  
G451/G4500  
Key# PART NUMBER  
G5000  
Key# PART NUMBER  
Q'TY  
Q'TY  
DESCRIPTION  
NOTE  
DESCRIPTION  
NOTE  
/UNIT  
/UNIT  
1
2
3
4
5
6
7
8
9
2670-25310 Bumper  
2670-14320 Screw M5x14  
1
2
1
1
1
2
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
2
1
1
1
3
1
1
1
1
1
1
1
1
2
3
4
5
6
7
8
9
2670-25310 Bumper  
2670-14320 Screw M5x14  
1
2
1
1
1
2
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
2
1
1
1
3
1
1
1
1
1
1
1
2810-25421 Plate  
2810-25421 Plate  
2670-25430 Screw M4x10  
2670-25410 Guide  
2670-25430 Screw M4x10  
2670-25410 Guide  
3350-53410 Nut M8  
3350-53410 Nut M8  
2881-54003 Chain cover assembly  
2671-53114 • Chain cover  
2880-53150 • Stopper  
2881-54003 Chain cover assembly  
2671-53114 • Chain cover  
2880-53150 • Stopper  
10 2671-53210 • Screw  
11 2810-53221 • Nut  
10 2671-53210 • Screw  
11 2810-53221 • Nut  
12 2671-53230 • Gear  
12 2671-53230 • Gear  
13 2671-53240 • Plate  
13 2671-53240 • Plate  
14 2670-25410 • Guide  
14 2670-25410 • Guide  
15 2670-54630 • Screw M4x12 BT  
16 2671-53311 • Protector  
17 2880-54112 • Front guard  
18 2670-54121 • Pin  
15 2670-54630 • Screw M4x12 BT  
16 2671-53311 • Protector  
17 2880-54112 • Front guard  
18 2670-54121 • Pin  
19 0308-00030 • Ring  
19 0308-00030 • Ring  
20 2670-54210 • Spring  
21 2670-54220 • Pin  
20 2670-54210 • Spring  
21 2670-54220 • Pin  
22 2670-54231 • Spacer  
23 3238-15230 • Washer  
24 0308-00040 • Ring  
22 2670-54231 • Spacer  
23 3238-15230 • Washer  
24 0308-00040 • Ring  
25 2810-54240 • Plate  
25 2810-54240 • Plate  
26 2810-54260 • Spacer  
27 2670-54621 • Cover  
26 2810-54260 • Spacer  
27 2670-54621 • Cover  
28 2670-54630 • Screw M4x12 BT  
29 2670-54302 • Brake lever complete  
30 2670-54410 • Slide arm  
31 2670-54510 • Brake band  
32 3356-24140 • Roller  
28 2670-54630 • Screw M4x12 BT  
29 2670-54302 • Brake lever complete  
30 2670-54410 • Slide arm  
31 2670-54510 • Brake band  
32 3356-24140 • Roller  
33 2670-54610 • Brake spring  
34 2880-54650 • Return spring  
35 2811-53123 Label, Chain cover  
33 2670-54610 • Brake spring  
34 2880-54650 • Return spring  
35 2881-53122 Label, Chain cover  
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G451/G4500/G5000  
Fig.8 GUIDE BAR, SAW CHAIN, TOOLS  
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Fig.8 GUIDE BAR, SAW CHAIN, TOOLS  
G451/G4500  
Key# PART NUMBER  
G5000  
Key# PART NUMBER  
Q'TY  
Q'TY  
DESCRIPTION  
NOTE  
DESCRIPTION  
NOTE  
/UNIT  
/UNIT  
1
2
3
2974-52111 Hard nose bar 18”  
3646-52113 Sprocket nose bar 18”  
3646-52210 Chain 18”(21BP-72E)  
1
1
1
G: .058”  
G: .058”  
1
2
3
2974-52111 Hard nose bar 18”  
3646-52113 Sprocket nose bar 18”  
3646-52210 Chain 18”(21BP-72E)  
1
1
1
G: .058”  
G: .058”  
10 3356-97110 Protector  
1
10 3356-97110 Protector  
1
13 2811-91000 Tool set  
1
1
1
1
1
1
1
1
1
1
1
1
1
3
1
1
1
1
1
1
1
1
1
1
13 2811-91000 Tool set  
1
1
1
1
1
1
1
1
1
1
1
1
1
3
1
1
1
1
1
1
1
1
1
1
3
2
1
14 3345-91110 • Bag  
14 3345-91110 • Bag  
15 3320-91140 • Plug wrench 13x19  
16 2670-91150 • Driver  
15 3320-91140 • Plug wrench 13x19  
16 2670-91150 • Driver  
17 3320-97310 • File ø4.8(3/16”)  
18 3317-91210 • File  
17 3320-97310 • File ø4.8(3/16”)  
18 3317-91210 • File  
19 3381-91530 • Grip  
19 3381-91530 • Grip  
20 3310-91540 • Gauge  
20 3310-91540 • Gauge  
21 2670-96002 Tool set  
OP  
OP  
OP  
OP  
OP  
OP  
OP  
OP  
OP  
OP  
OP  
OP  
OP  
OP  
OP  
OP  
21 2670-96002 Tool set  
OP  
OP  
OP  
OP  
OP  
OP  
OP  
OP  
OP  
OP  
OP  
OP  
OP  
OP  
OP  
OP  
OP  
OP  
22 2890-96100 • Puller Assembly (for rotor)  
23 2670-96210 • Wrench (for clutch)  
24 2670-96220 • Stopper (for piston)  
25 3350-96230 • Guide (for piston)  
26 2670-96240 • Wrench (for clutch ASS’ Y)  
27 2670-96310 • Wrench (M5)  
28 2670-96320 • Wrench (M4)  
29 2670-96510 • Guide (for brake spring)  
30 3350-96620 • Guide  
22 2890-96100 • Puller Assembly (for rotor)  
23 2670-96210 • Wrench (for clutch)  
24 2670-96220 • Stopper (for piston)  
25 3350-96230 • Guide (for piston)  
26 2670-96240 • Wrench (for clutch ASS’ Y)  
27 2670-96310 • Wrench (M5)  
28 2670-96320 • Wrench (M4)  
29 2670-96510 • Guide (for brake spring)  
30 3350-96620 • Guide  
31 2670-96660 • Holder  
31 2670-96660 • Holder  
32 3350-96240 • Gauge  
32 3350-96240 • Gauge  
33 2850-96410 • Wrench  
33 2850-96410 • Wrench  
34 2810-96710 • Guide (for brake spring)  
35 3317-91300 Fuel tank assembly  
36 3317-91400 Oil tank assembly  
34 2810-96710 • Guide (for brake spring)  
35 3317-91300 Fuel tank assembly  
36 3317-91400 Oil tank assembly  
37 2881-98710 Front damper  
38 2881-98720 Rear damper  
39 2847-93110 Owner’s manual  
39 2847-93110 Owner’s manual  
1
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1-9 Minamidai, Kawagoe, Saitama, 350-1192 Japan  
PRINTED ON RECYCLED PAPER  
IMPRIMÉ SUR PAPIER RECYCLÉ  
GEDRUCKT AUF RECYCLING PAPIER  
STAMPATO SU CARTA RICICLATA  
IMPRESO EN PAPEL RECICLADO  
PRINTED IN JAPAN  
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