Illustrated Parts Manual
Model Number:
P/N 40580
Rev 000
ECV-5601
Date 5-8-07
50cc CHAINSAW
Nikko Tanaka Engineering U.S.A.,Ltd.• 1028 4th Street SW, Bldg B • Auburn, WA 98001 • Phone: (253) 333-1200 • Fax: (253) 333-1212
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ECV-5601
PARTS INFORMATION
CRANKCASE, FLYWHEEL • FIGURE 2
ITEM PART NUMBER
2-11 1013262520
2-12 99966152874
2-16 0650409320
2-17 0660409320
2-22 6853262520
2-23 99966153572
2-24 2853262520
2-25 2863262520
2-31 2243262520
2-32 6883262520
2-33 2193262580
2-40 6423262590
2-41 0720409390
2-42 0810409320
2-43 5233262520
2-44 0293262520
2-45 0890409380
2-47 1923262520
2-49 0900409320
2-58 4663262520
2-63 1550409390
2-64 8593262520
2-65 7900409320
2-66 7880409320
2-67 99416040101
DESCRIPTION
BOLT,BAR ADJUSTING
SEAL,OIL
WASHER,FLYWHEEL
NUT,FLYWHEEL
SCREW,SPECIAL,M5x25
SEAL,OIL
QTY
2
1
1
1
5
1
1
1
3
3
3
1
1
3
1
1
2
1
1
1
1
2
2
2
COMMENTS
STOPPER,A
STOPPER,B
CAP,DAMPER A
SCREW,SPECIAL,M5x16
DAMPER,FRONT
CAP,OIL
CRANKCASE ASSY
PIN
GASKET,OIL CAP
RING,STOP
BEARINGS
GROMMET,H-L
GASKET,CRANKCASE
PLATE
FLYWHEEL
RING,STOP E
Includes bearings, seals and gasket
SPRING,PAWL
PAWL,STARTER
SCREW,PS,4X10
2
Page 2
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ECV-5601
PARTS INFORMATION
IGNITION COIL & STOP SWITCH • FIGURE 3
ITEM PART NUMBER
DESCRIPTION
COIL,IGNITION
CORD
CAP,SPARK PLUG
PLUG,SPARK
COVER,SPARK PLUG
CAP,RUBBER
QTY
1
1
1
1
1
1
1
1
COMMENTS
3-1
3-2
3-3
3-5
3-6
3-7
3-8
3-9
1530409390
1780409320
1570409390
0180409320
2550409320
4850409320
1790409380
1700409380
CORD,STOP
SWITCH,STOP
3-10 2660409320
3-11 6400409320
3-12 6913262520
3-13 2500409320
3-15 1620409390
3-20 1450409380
3-25 2403262520
3-35 6903262520
COVER,STOP BUTTON
STAY,STOP BUTTON
SCREW,SPECIAL M5x10
TUBE,INSULATOR
SWITCH,STOP
DEFLECTOR,AIR
DAMPER SEAT
SCREW,SPECIAL M5x20
1
1
1
1
1
1
1
2
Page 3
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ECV-5601
PARTS INFORMATION
CLUTCH & OIL PUMP • FIGURE 4
ITEM PART NUMBER
DESCRIPTION
VALVE,AIR VENT B
SPONGE,AIR VENT
CLIP
PIPE,OIL
BODY,OIL FILTER
PIPE,OIL A
BOLT,SPECIAL M4x14
PUMP,OIL
SPONGE,OIL
CLUTCH ASSY
HOUSING,CLUTCH
BEARING,NEEDLE
COVER,OIL PUMP
NUT,BAR CLAMP
SPROCKET,RIM
PLATE,GUIDE A
SCREW,SPECIAL M4x10
OIL PIPE ASS'Y
SPRING,CLUTCH
WASHER,CLUTCH B
GUIDE
CATCHER,CHAIN
SCREW,SPECIAL M5x14
SCREW,SPECIAL M5x14
SPIKE
DAMPER,A
COLLAR,DAMPER A
SCREW,SPECIAL,M5x16
QTY
1
1
1
1
1
1
5
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
2
1
1
1
1
COMMENTS
4-1
4-2
4-3
4-4
4-5
4-6
4-7
4-8
4-9
5620409320
5670409320
6803262520
4803262520
4863262880
5153262520
6893262520
1443262590
0943262520
4-11 2760409390
4-12 3183262520
4-13 3503262520
4-14 0973262520
4-15 1213262520
4-17 3293262520
4-21 4613262520
4-22 6863262520
4-30 4803262890
4-31 3420409320
4-34 3590409320
4-35 4673262520
4-41 1253262580
4-42 6833262520
4-43 6833262520
4-44 4603262520
4-60 2343262520
4-61 2753262520
4-62 6883262520
Page 4
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ECV-5601
PARTS INFORMATION
INTAKE & MUFFLER • FIGURE 5
ITEM PART NUMBER
DESCRIPTION
SHIELD,HEAT
INSULATOR
SCREW,SPECIAL M5x14
ELBOW JOINT
CLIP,A
QTY
1
1
2
1
COMMENTS
5-1
5-2
5-4
5-7
5-8
5-9
1330409320
4040409380
6833262520
4953262520
4253262520
6783262520
1
1
PIPE,RUBBER
5-11 4020409320
5-12 2490409320
5-13 0673262520
5-14 3930409320
5-15 7500409320
5-18 4013262520
5-20 7370409320
5-21 7040409590
5-22 7350409520
5-23 6913262520
5-24 7260409320
5-25 6863262520
5-26 6903262520
5-27 7320409580
5-28 7410409520
GASKET,CARBURETOR
SPACER
SPRING
1
1
1
1
2
1
1
1
1
1
2
1
1
1
1
MANIFOLD,INLET
BOLT,MUFFLER
RING,INLET MANIFOLD
GASKET,MUFFLER
MUFFLER SET
COVER,MUFFLER
SCREW,SPECIAL M5x10
NUT,MUFFLER
SCREW,M4x10
SCREW,M5x20
SPARK ARRESTOR
SPACER
Includes gasket, not cover
Page 5
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ECV-5601
STARTER • FIGURE 6
PARTS INFORMATION
ITEM PART NUMBER
DESCRIPTION
STARTER,RECOIL ASSY
CASE,FAN
GUIDE,ROPE
ROPE,STARTER
HANDLE,STARTER
STOPPER,ROPE
SPRING ASSY,RECOIL
GUIDE,H-L
REEL,STARTER ROPE
BOSS,STARTER
QTY
1
1
1
1
1
1
1
1
COMMENTS
6-0
6-1
6-2
6-3
6-4
6-5
6-6
6-7
6-8
6-9
7560409390
1120409380
7800409320
7830409320
7850409320
7950409320
7780409390
1933262520
7740409320
7870409320
1
1
6-10 7860409320
6-11 6903262520
6-15 6833262520
WASHER,STARTER
SCREW,SPECIAL M5x20
SCREW,SPECIAL M5x14
1
1
4
Page 6
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ECV-5601
CARBURETOR • FIGURE 7
PARTS INFORMATION
ITEM PART NUMBER
DESCRIPTION
CARBURETOR SET
SCREEN,INLET
BODY,PUMP
SCREW,SET
QTY
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
COMMENTS
7-0
7-2
7-3
7-4
7-5
7-6
7-7
7-8
7-9
4552533890
57825007200
5752533080
51425001200
~ ~ ~
~ ~ ~
6032501220
~ ~ ~
Includes gasket
GASKET,PUMP
~ Included in 650.25001.910 Carb Kit
(items not sold individually)
DIAPHRAGM,PUMP
NEEDLE VALVE
GASKET,DIAPHRAGM
DIAPHRAGM,METERING
COVER,DIAPHRAGM
SPRING,VALVE
SCREW,SET,HINGE PIN
PIN,HINGE
SPRING,CHOKE
BALL,STEEL
~ ~ ~
7-10 47625004200
7-11 4772508020
7-12 54625001200
7-13 60525001200
7-15 49625032200
7-16 56725032200
7-18 47325001200
7-22 46325006200
7-23 4622533020
7-26 54825012200
HINGE,VALVE
SPRING,IDLE ADJUST
SCREW,IDLE ADJUST
SCREW,SET
1
1
4
Page 7
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ECV-5601
PARTS INFORMATION
AIR FILTER / COVER • FIGURE 8
ITEM PART NUMBER
DESCRIPTION
COVER,AIR CLEANER ASSY
KNOB,CLEANER
GASKET,CLEANER
SCREEN,FILTER
FILTER,AIR
QTY
1
1
1
1
1
1
1
COMMENTS
8-1
8-2
8-3
8-5
8-6
8-7
8-8
4520409390
1753262520
4180409320
4280409380
4440409320
99311041012
4860409320
SCREW,TAPPING,4X10
CAP,RUBBER
8-10 0160409390
8-11 6833262520
8-12 2133262580
8-13 3810409320
8-14 1913262520
8-25 4200409380
COVER,CYLINDER
SCREW,SPECIAL M5x14
DAMPER,HANDLE
NUT,SPECIAL
GROMMET
FILTER,AIR
1
5
1
1
1
1
Page 8
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ECV-5601
PARTS INFORMATION
SIDE COVER, CHAIN BRAKE• FIGURE 9
Page 9
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ECV-5601
PARTS INFORMATION
SIDE COVER / CHAIN BRAKE • FIGURE 9
ITEM PART NUMBER
9-20 0403262890
9-21 8033262520
9-22 0393262580
9-23 2873262520
9-24 1163262520
9-26 1153262520
9-27 4623262520
9-28 3003262520
9-30 4673262520
9-31 3253262520
9-35 8053262890
9-36 4993262620
9-37 8603262520
9-38 8093262520
9-39 8083262520
9-40 8043262520
9-41 5133262520
9-42 8593262520
9-43 8023262520
9-44 8113262520
9-45 3733262520
9-46 3743262520
9-47 3743262620
9-48 3863262520
9-49 3843262520
9-50 1873262820
9-51 3793262580
9-52 3753262520
9-53 3763262520
9-54 3783262520
9-55 6953262520
DESCRIPTION
CASE,SIDE ASSY
SHAFT,HAND GUARD
CASE,SIDE
QTY COMMENTS
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
5
STOPPER,C
BOLT,CHAIN TENSIONER
BOSS,TENSIONER
PLATE,GUIDE B
GEAR
GUIDE
PROTECTOR,CHAIN
GUARD,FRONT HAND
PIN,SPRING
RING,STOP E
SPRING,WEIGHT
WEIGHT,HAND GUARD
SPRING,HAND GUARD
WASHER
RING,STOP E
SPACER
PIN
ARM,BRAKE
SPRING,BRAKE
SPRING,BRAKE
SUPPORT,BRAKE LINK
COLLAR
SHIELD
LINK,BRAKE
COVER,BRAKE LINK
HOLDER,BRAKE BAND
BAND,BRAKE
SCREW,SPECIAL M4x12
Page 10
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ECV-5601
PARTS INFORMATION
HANDLES & CONTROLS • FIGURE 10
Page 11
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ECV-5601
PARTS INFORMATION
HANDLES & CONTROLS • FIGURE 10
ITEM PART NUMBER
10-1 6873262520
10-2 2273262520
10-3 2573262520
10-5 4933262520
10-6 4903262520
10-11 2093262580
10-12 6933262520
10-13 6873262520
10-16 4360409380
10-17 2233262580
10-18 2953262520
10-19 2653262520
10-20 4263262520
10-21 5650409320
10-22 6990409391
10-23 7023262590
10-24 4783262520
10-25 6750409390
10-30 5990409320
10-31 6923262520
10-35 6353262590
10-37 6303262520
10-40 7153262520
10-41 7063262580
10-42 7073262520
10-45 6463262590
10-55 0123262590
10-56 0643262520
10-57 0663262520
10-58 7253262520
10-59 2323262520
10-60 6943262520
10-61 4233262520
10-62 0603262520
10-63 0613262520
10-64 4993262520
DESCRIPTION
SCREW,SPECIAL M5x19
GRIP,HANDLE
LEVER,SAFETY
GROMMET
ROD,THROTTLE
HANDLE,FRONT
BOLT,SPECIAL
SCREW,SPECIAL M5x19
BASE,AIR CLEANER
DAMPER,REAR
BOLT,DAMPER
CAP,DAMPER
QTY
1
1
1
1
1
1
1
1
1
2
2
2
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
COMMENTS
CLIP,B
PIPE,AIR VENT
FUEL PIPE ASSY
PIPE,FUEL
COLLAR
FILTER,FUEL
CUSHION
SCREW,SPECIAL M5x52
CAP,TANK
GASKET,TANK CAP
GUIDE
ROD,CHOKE
RUBBER,CHOKE ROD
VALVE,AIR VENT
HANDLE,REAR ASSY
PIN,PUSH
SPRING,PUSH PIN
CAP,PUSH PIN
DAMPER,FRONT
SCREW,SPECIAL M4x16
PACKING
LEVER,THROTTLE
SPRING,THROTTLE LEVER
PIN,SPRING
Page 12
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ECV-5601
PARTS INFORMATION
TOOLS & DECALS • FIGURE 11-12
52
53
ITEM PART NUMBER
11-21 9453254D21
11-50 8803262520
11-51 8833262520
11-52 200SLGK095
11-53 33SL078X
DESCRIPTION
COVER,BAR & CHAIN,20
DRIVER
SPANNER
BAR,20"
QTY
COMMENTS
1
1
1
1
1
CHAIN,20"
ITEM PART NUMBER
12-1 9063262520
12-2 9093262520
12-3 9153262520
DESCRIPTION
DECAL,ECV-5601
DECAL,CAUTION,ECV-5601
DECAL,STARTER,ECV-5601
QTY
COMMENTS
1
1
1
Page 13
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