Zenoah CHAIN SAW G5200 User manual

848C8C93A1 (506)
G5200
CHAIN SAW
June 2005
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 : 303107 and up

Fig.1 POWER UNIT
G5200

Q'TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
Q'TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
12880-12111 Cylinder 1 ø45
22880-14111 Inlet Pipe 1
32880-14120 Spring 1
52880-14150 Inner Guide 1
62670-14311 Bracket 1
72670-14320 Screw M5x14 2
82880-14350 Spacer 1
92880-14361 Gasket 1
10 2670-14211 Gasket, Cylinder 1
11 4820-13180 Bolt, Cylinder M5x20 4
12 2810-15220 Bolt, Muffler M5x83 2
13 2850-15230 Nut, Muffler M5 2
14 2810-15113 Muffler 1
15 2670-14130 Screw M5x10 2
16 3356-15210 Gasket, Muffler 1
17 2810-15310 Cover 1
18 848C802101 Crankcase assy 1
19 3356-21130 • Spring Pin 3
20 T4012-21240 • Bearing 15x35x11 2
21 04065-03515 • Snap Ring ø35 1
22 2670-21210 • Oil Seal 15x35x4.5 1
23 2670-21220 • Oil Seal 15x28X4.5 1
24 2850-21230 • Stud 2
25 2670-21250 • Elbow 1
26 2810-22511 • Stopper 1
27 2810-22521 • Stopper 1
28 848C8021D2 Gasket, Case 1
29 2670-21320 Screw M5x25 5
30 2810-22210 Pipe 3x7x105 1
31 3310-82230 Clip 1
32 2810-22411 Mat 1
33 2880-41110 Piston ø45 1
34 2880-41210 Piston Ring ø45 2
35 2880-41310 Piston Pin 7.4x11x37.5 1
36 3350-41320 Snap Ring 2
37 1400-41410 Needle Bearing 11x15x12.3 1
38 2670-41510 Washer 2
39 848C8A4202 Crankshaft Comp. 1
40 1000-43240 Key 1
Fig.1 POWER UNIT
G5200

Fig.2 IGNITION, STARTING
G5200

Q'TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
Q'TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
12670-71101 Rotor assy 1
21850-75220 • Ratchet 2
32670-71130 • Spring 2
40308-00040 • Ring 2
53350-43231 Nut M8 1
60290-20820 Washer M8 1
72880-71300 Coil Assy 1
82810-71204 • Coil Comp. 1
92810-71220 • • Cord 1
10 2670-71230 • • Grommet 1
11 2810-72110 • Plug cap 1
12 1400-72121 • Spring 1
13 2670-71320 • Tube 1
14 2810-71250 • Grommet 1
15 2670-14220 Screw M5x20 2
18 2670-71510 Cord 1
19 2880-71600 Switch assy 1
20 2810-71610 • Switch 1
21 2670-71621 • Switch Cover 1
22 2880-71630 • Plate 1
23 2670-14130 Screw M5x10 1
24 3699-90512 Spark plug (NGK BPM8Y) 1
25 2810-21270 Plate 1
26 0260-30410 Screw M4x10 2
27 2881-75000 Starter assy 1
28 2810-75110 • Recoil case comp. 1
29 2810-75120 • Guide 1
30 2810-75150 • Boss 1
31 2670-75212 • Reel 1
32 3317-75300 • Spring comp. 1
33 2670-75411 • Rope 1
34 T2041-75420 • Knob 1
35 T2041-75431 • Collar 2
37 2881-75440 • Spring B 1
38 1400-86280 • Washer 1
39 2670-14220 • Screw 1
40 2880-75600 Fan cover comp. 1
42 2880-75620 • Sheet 1
43 2670-14320 Screw 4
44 848C8C90C1 Label, Recoil 1
45 2881-98611 Snow protector 1 OP
Fig.2 IGNITION, STARTING
G5200

Fig.3 HANDLE
G5200

Q'TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
Q'TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
12880-32101 Left handle comp. 1
28488251901 Screw M5x19 BT 4
32880-32250 Bracket 1
42670-14130 Screw M5x10 1
52880-32270 Screw M5x8 1
62880-31211 Damper 1
72810-33007 Right handle assy 1
83330-33250 • Stopper 1
93310-33262 • Spring 1
10 3310-33271 • Knob 1
11 2810-33280 • Damper (A) 1
12 2670-75520 • Screw 1
13 2810-33211 • Gasket 1
14 2670-33311 • Throttle lever 1
15 3356-33321 • Throttle spring 1
16 04025-00524 • Spring pin ø5.2x24 1
17 848C3033E3 Arm 1
18 2670-34110 Grip cover 1
19 8488251901 Screw M5x19 BT 1
20 2810-25210 Chain catcher 1
21 2670-14320 Screw M5x14 1
22 2880-35111 Damper 3
23 8488251601 Screw M5x16 BT 4
24 2810-35150 Damper cap 3
25 2881-35110 Spring 1
26 2881-35120 Spacer 1
27 2880-35211 Damper 2
28 3350-35170 Bolt 2
29 2880-35250 Cap 2
Fig.3 HANDLE
G5200

Fig.4 FUELING SYSTEMS
G5200

Q'TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
Q'TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
12880-31101 Cylinder cover 1
22880-31120 • Nut 1
32670-14320 Screw M5x14 5
42854-31513 Label 1
52810-83305 Cleaner cover comp. 1
63356-83322 • Knob 1
73388-83340 • Gasket, cap 1
82810-83500 • Air cleaner comp. 1
92810-83520 • • Seal 1
10 1600-33130 • Screw 1
11 2810-83410 • Grommet, Air cleaner 1
12 2810-83101 Air cleaner comp. 1
13 2813-31210 Label 1
14 2880-82310 Guide ( I ) 1
15 2880-82350 Guide (HL) 1
16 2880-82102 Manifold comp. 1
17 2810-82141 Supporter 1
18 2880-82210 Screw M5x52 1
19 2880-82410 Choke rod 1
20 2670-82421 Grommet, Choke 1
21 2670-82430 Guide 1
22 2880-82511 Throttle rod 1
23 2810-82520 Grommet, throttle 1
24 848C808536 Fuel pipe assy 1
25 848C8085R5 • Fuel pipe 1
26 2850-34350 • Collar 1
27 3302-85400 • Filter assy 1
28 2670-34401 Tank cap assy 1
29 2670-34430 • Gasket, Tank cap 1
30 2670-34500 Breather assy 1
31 3350-34540 • Pipe 1
32 1260-85460 • Clip 1
33 T2041-75810 Label 1
34 2811-98501 Air cleaner comp. 1
OP(Felt)
Fig.4 FUELING SYSTEMS
G5200

Fig.5 OIL SYSTEM, CLUTCH
G5200

Q'TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
Q'TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
12841-31801 Oil cap assy 1
22841-31820 • Gasket, cap 1
32670-23101 Oil pipe compete 1
42670-23120 • Pipe 1
52670-23131 • Oil filter 1
62670-23210 Pipe 1
73330-23121 Valve 1
83350-26220 Seal 1
93350-26230 Clip 1
10 848C806711 Oil pump assy 1
11 848C8067A1 • Oil pump 1
12 2670-55120 • Worm Gear 1
13 2670-55220 Seal 1
14 2670-55410 Screw M4x14 2
15 2670-55610 Pump cover 1
16 2670-55410 Screw M4x14 3
17 2670-51210 Plate 1
18 848C805121 Clutch assy 1
19 3317-51220 • Clutch shoe 3
20 3317-51231 • Spring 1
21 2810-51310 Needle bearing 12x15x14 1
22 2880-51110 Clutch drum 1
23 3350-51121 Rim 325P 1
Fig.5 OIL SYSTEM, CLUTCH
G5200

Fig.6 CARBURETOR
G5200

Q'TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
Q'TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
12880-81001 Carburetor assy 1 WT-281A
23306-81380 • Screen 1
32810-81120 • Pump cover 1
43310-81130 • Screw 1
53304-81140 • Gasket, pump 1
61172-81150 • Diaphragm, pump 1
72810-81170 • L needle 1
81491-81160 • L needle spring 1
93310-81230 • Lever 1
10 3310-81240 • Screw M lever pin 1
11 1262-81270 • Spring 1
12 3310-81250 • Pin, lever 1
13 3310-81280 • Cover 1
14 3310-81260 • Diaphragm assy 1
15 3310-81290 • Gasket 1
16 3356-81310 • Valve, inlet 1
18 3356-81340 • Throttle valve 1
19 2670-81410 • Throttle spring 1
20 2880-81420 • Throttle shaft 1
21 2630-81460 • Idle spring 1
22 2670-81430 • Idle screw 1
23 2880-81331 • H needle 1
24 3080-81320 • H needle spring 1
25 3310-81351 • Screw 4
26 2880-81460 • Choke shaft 1
27 1148-81390 • Ring 1
28 3350-81350 • Choke spring 1
29 3350-81220 • Boll 1
30 2670-81450 • Choke valve 1
31 2810-81440 • Throttle lever 1
32 2880-81470 • Screw, valve 3
33 2810-06021 Gasket Kit 1
Fig.6 CARBURETOR
G5200

Fig.7 BREAKING SYSTEMS
G5200

Q'TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
Q'TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
12670-25310 Bumper 1
22670-14320 Screw M5x14 2
32810-25421 Plate 1
42670-25430 Screw M4x10 1
52670-25410 Guide 1
63350-53410 Nut M8 2
72881-54003 Chain cover assy 1
8848C8053A5 • Chain cover 1
92880-53150 • Stopper 1
10 2671-53210 • Screw 1
11 2810-53221 • Nut 1
12 2671-53230 • Gear 1
13 2671-53240 • Plate 1
14 2670-25410 • Guide 1
15 2670-54630 • Screw M4x12 BT 2
16 2671-53311 • Protector 1
17 2880-54112 • Front guard 1
18 2670-54121 • Pin 1
19 0308-00030 • Ring 1
20 2670-54210 • Spring 1
21 2670-54220 • Pin 1
22 2670-54231 • Spacer 1
23 3238-15230 • Washer 1
24 0308-00040 • Ring 2
25 2810-54240 • Plate 1
26 2810-54260 • Spacer 1
27 2670-54621 • Cover 1
28 2670-54630 • Screw M4x12 BT 3
29 2670-54302 • Brake lever comp. 1
30 2670-54411 • Slide arm 1
31 2670-54510 • Brake band 1
32 3356-24140 • Roller 1
33 2670-54610 • Brake spring 1
34 2880-54650 • Return spring 1
35 848C8C90B1 Label, Chain cover 1
Fig.7 BREAKING SYSTEMS
G5200

Fig.8 GUIDE BAR, SAW CHAIN, TOOLS
G5200

Q'TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
Q'TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
12974-52111 Hard nose bar 18” 1 G: .058”
23646-52113-50 Sprocket nose bar 18” 1 G: .058”
33646-52210-50 Chain 18”(21BP-72E) 1
10 3356-97110 Protector 1
13 2811-91000 Tool set 1
14 3345-91110 • Bag 1
15 3320-91140 • Plug wrench 13x19 1
16 2670-91150 • Driver 1
17 3320-97310 • File ø4.8 (3/16”) 1
18 3317-91210 • File 1
19 3381-91530 • Grip 1
20 3310-91540 • Gauge 1
21 2670-96002 Tool set 1 OP
22 2890-96100 • Puller Assy (for rotor) 1 OP
23 2670-96210 • Wrench (for clutch) 1 OP
24 2670-96220 • Stopper (for piston) 1 OP
25 3350-96230 • Guide (for piston) 1 OP
26 2670-96240 • Wrench (for clutch assy) 3 OP
27 2670-96310 • Wrench (M5) 1 OP
28 2670-96320 • Wrench (M4) 1 OP
29 2670-96510 • Guide (for brake spring) 1 OP
30 3350-96620 • Guide 1 OP
31 2670-96660 • Holder 1 OP
32 3350-96240 • Gauge 1 OP
33 2850-96410 • Wrench 1 OP
34 2810-96710 • Guide (for brake spring) 1 OP
35 3317-91300 Fuel tank assy 1 OP
36 3317-91400 Oil tank assy 1 OP
37 2881-98710 Front damper 3 OP
38 2881-98720 Rear damper 2 OP
Fig.8 GUIDE BAR, SAW CHAIN, TOOLS
G5200

1-9 Minamidai, Kawagoe, Saitama, 350-1192 Japan
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