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Model Number:
ECV-5601
50cc CHAINSA W
P/N 40580
Rev 000
Date 5-8-07
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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PARTS INFORMA TION
CYLINDER, PISTON, CRANKSHAFT • FIGURE 1
ECV -5601
ITEM PART NUMBER DESCRIPTION QTY COMMENTS
1-3 0010409390 CYLINDER SET 1 Includes gasket
1-4 0170409320 GASKET,CYLINDER 1
1-5 6843262520 SPECIAL SCREW,M5x20 4
1-7 0040409380 DECOMPRESSION VALVE 1
1-8 0200409320 DECOMPRESSION COVER 1
1-31 0390409320 CIRCLIP 2
1-32 0410409320 RING,PISTON 2
1-33 0300409390 PISTON SET 1 Includes rings and circlips
1-34 0370409320 PIN,PISTON 1
1-35 0360409320 COLLAR,PISTON PIN 2
1-36 99962111581 BEARING,NEEDLE 1
1-37 0460409380 CRANKSHAFT 1
1-38 0680409320 KEY,WOODRUFF 1
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PARTS INFORMA TION
CRANKCASE, FLYWHEEL • FIGURE 2
ECV -5601
ITEM PART NUMBER DESCRIPTION QTY COMMENTS
2-11 1013262520 BOLT,BAR ADJUSTING 2
2-12 99966152874 SEAL,OIL 1
2-16 0650409320 WASHER,FLYWHEEL 1
2-17 0660409320 NUT,FLYWHEEL 1
2-22 6853262520 SCREW,SPECIAL,M5x25 5
2-23 99966153572 SEAL,OIL 1
2-24 2853262520 STOPPER,A 1
2-25 2863262520 STOPPER,B 1
2-31 2243262520 CAP,DAMPER A 3
2-32 6883262520 SCREW,SPECIAL,M5x16 3
2-33 2193262580 DAMPER,FRONT 3
2-40 6423262590 CAP,OIL 1
2-41 0720409390 CRANKCASE ASSY 1 Includes bearings, seals and gasket
2-42 0810409320 PIN 3
2-43 5233262520 GASKET,OIL CAP 1
2-44 0293262520 RING,STOP 1
2-45 0890409380 BEARINGS 2
2-47 1923262520 GROMMET,H-L 1
2-49 0900409320 GASKET,CRANKCASE 1
2-58 4663262520 PLATE 1
2-63 1550409390 FLYWHEEL 1
2-64 8593262520 RING,STOP E 2
2-65 7900409320 SPRING,PAWL 2
2-66 7880409320 PAWL,STARTER 2
2-67 99416040101 SCREW,PS,4X10 2
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PARTS INFORMA TION
IGNITION COIL & STOP SWITCH • FIGURE 3
ECV -5601
ITEM PART NUMBER DESCRIPTION QTY COMMENTS
3-1 1530409390 COIL,IGNITION 1
3-2 1780409320 CORD 1
3-3 1570409390 CAP,SPARK PLUG 1
3-5 0180409320 PLUG,SPARK 1
3-6 2550409320 COVER,SPARK PLUG 1
3-7 4850409320 CAP,RUBBER 1
3-8 1790409380 CORD,STOP 1
3-9 1700409380 SWITCH,STOP 1
3-10 2660409320 COVER,STOP BUTTON 1
3-11 6400409320 STAY,STOP BUTTON 1
3-12 6913262520 SCREW,SPECIAL M5x10 1
3-13 2500409320 TUBE,INSULATOR 1
3-15 1620409390 SWITCH,STOP 1
3-20 1450409380 DEFLECTOR,AIR 1
3-25 2403262520 DAMPER SEAT 1
3-35 6903262520 SCREW,SPECIAL M5x20 2
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PARTS INFORMA TION
CLUTCH & OIL PUMP • FIGURE 4
ECV -5601
ITEM PART NUMBER DESCRIPTION QTY COMMENTS
4-1 56204 09320 VALVE,AIR VENT B 1
4-2 56704 09320 SPONGE,AIR VENT 1
4-3 6803262520 CLIP 1
4-4 4803262520 PIPE,OIL 1
4-5 4863262880 BODY,OIL FILTER 1
4-6 5153262520 PIPE,OIL A 1
4-7 68932 62520 BOLT,SPECIAL M4x14 5
4-8 1443262590 PUMP,OIL 1
4-9 0943262520 SPONGE,OIL 1
4-11 2760409390 CLUTCH ASSY 1
4-12 3183262520 HOUSING,CLUTCH 1
4-13 3503262520 BEARING,NEEDLE 1
4-14 09732 62520 COVER,OIL PUMP 1
4-15 12132 62520 NUT,BAR CLAMP 2
4-17 3293262520 SPROCKET,RIM 1
4-21 4613262520 PLATE,GUIDE A 1
4-22 6863262520 SCREW,SPECIAL M4x10 1
4-30 48032 62890 OIL PIPE ASS'Y 1
4-31 3420409320 SPRING,CLUTCH 1
4-34 35904 09320 WASHER,CLUTCH B 1
4-35 4673262520 GUIDE 1
4-41 1253262580 CATCHER,CHAIN 1
4-42 6833262520 SCREW,SPECIAL M5x14 1
4-43 6833262520 SCREW,SPECIAL M5x14 2
4-44 4603262520 SPIKE 1
4-60 2343262520 DAMPER,A 1
4-61 27532 62520 COLLAR,DAMPER A 1
4-62 6883262520 SCREW,SPECIAL,M5x16 1
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PARTS INFORMA TION
INTAKE & MUFFLER • FIGURE 5
ECV -5601
ITEM PART NUMBER DESCRIPTION QTY COMMENTS
5-1 1330409320 SHIELD,HEAT 1
5-2 4040409380 INSULATOR 1
5-4 6833262520 SCREW,SPECIAL M5x14 2
5-7 4953262520 ELBOW JOINT 1
5-8 4253262520 CLIP,A 1
5-9 6783262520 PIPE,RUBBER 1
5-11 4020409320 GASKET,CARBURETOR 1
5-12 2490409320 SPACER 1
5-13 0673262520 SPRING 1
5-14 3930409320 MANIFOLD,INLET 1
5-15 7500409320 BOLT,MUFFLER 2
5-18 40132 62520 RING,INLET MANIFOLD 1
5-20 7370409320 GASKET,MUFFLER 1
5-21 70404 09590 MUFFLER SET 1 Includes gasket, not cover
5-22 7350409520 COVER,MUFFLER 1
5-23 6913262520 SCREW,SPECIAL M5x10 1
5-24 7260409320 NUT,MUFFLER 2
5-25 6863262520 SCREW,M4x10 1
5-26 6903262520 SCREW,M5x20 1
5-27 73204 09580 SPARK ARRESTOR 1
5-28 7410409520 SPACER 1
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PARTS INFORMA TION
ECV -5601
STARTER • FIGURE 6
ITEM PART NUMBER DESCRIPTION QTY COMMENTS
6-0 7560409390 STARTER,RECOIL ASSY 1
6-1 1120409380 CASE,FAN 1
6-2 7800409320 GUIDE,ROPE 1
6-3 7830409320 ROPE,STARTER 1
6-4 7850409320 HANDLE,STARTER 1
6-5 7950409320 STOPPER,ROPE 1
6-6 7780409390 SPRING ASSY,RECOIL 1
6-7 1933262520 GUIDE,H-L 1
6-8 7740409320 REEL,STARTER ROPE 1
6-9 7870409320 BOSS,STARTER 1
6-10 7860409320 WASHER,STARTER 1
6-11 6903262520 SCREW,SPECIAL M5x20 1
6-15 6833262520 SCREW,SPECIAL M5x14 4
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PARTS INFORMA TION
ECV -5601
CARBURETOR • FIGURE 7
ITEM PART NUMBER DESCRIPTION QTY COMMENTS
7-0 45525 33890 CARBURETOR SET 1 Includes gasket
7-2 57825007200 SCREEN,INLET 1
7-3 5752533080 BODY,PUMP 1
7-4 51425001200 SCREW,SET 1
7-5 ~ ~ ~ GASKET,PUMP 1 ~ Included in 650.25001.910 Carb Kit
7-6 ~ ~ ~ DIAPHRAGM,PUMP 1 (items not sold individually)
7-7 60325 01220 NEEDLE VALVE 1
7-8 ~ ~ ~ GASKET,DIAPHRAGM 1
7-9 ~ ~ ~ DIAPHRAGM,METERING 1
7-10 47625004200 COVER,DIAPHRAGM 1
7-11 4772508020 SPRING,VALVE 1
7-12 54625001200 SCREW,SET,HINGE PIN 1
7-13 60525001200 PIN,HINGE 1
7-15 49625032200 SPRING,CHOKE 1
7-16 56725032200 BALL,STEEL 1
7-18 47325001200 HINGE,VALVE 1
7-22 46325 006200 SPRING,IDLE ADJUS T 1
7-23 4622533020 SCREW,IDLE ADJUST 1
7-26 54825012200 SCREW,SET 4
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PARTS INFORMA TION
AIR FILTER / COVER • FIGURE 8
ECV -5601
ITEM PART NUMBER DESCRIPTION QTY COMMENTS
8-1 4520409390 COVER,AIR CLEANER ASSY 1
8-2 1753262520 KNOB,CLEANER 1
8-3 4180409320 GASKET,CLEANER 1
8-5 4280409380 SCREEN,FILTER 1
8-6 4440409320 FILTER,AIR 1
8-7 99311041012 SCREW,TAPPING,4X10 1
8-8 4860409320 CAP,RUBBER 1
8-10 0160409390 COVER,CYLINDER 1
8-11 6833262520 SCREW,SPECIAL M5x14 5
8-12 2133262580 DAMPER,HANDLE 1
8-13 3810409320 NUT,SPECIAL 1
8-14 1913262520 GROMMET 1
8-25 4200409380 FILTER,AIR 1
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PARTS INFORMA TION
SIDE COVER, CHAIN BRAKE• FIGURE 9
ECV -5601
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PARTS INFORMA TION
ECV -5601
SIDE COVER / CHAIN BRAKE • FIGURE 9
ITEM PART NUMBER DESCRIPTION QTY COMMENTS
9-20 0403262890 CASE,SIDE ASSY 1
9-21 8033262520 SHAFT,HAND GUARD 1
9-22 0393262580 CASE,SIDE 1
9-23 2873262520 STOPPER,C 1
9-24 11632 62520 BOLT,CHAIN TENSIONER 1
9-26 1153262520 BOSS,TENSIONER 1
9-27 4623262520 PLATE,GUIDE B 1
9-28 3003262520 GEAR 1
9-30 4673262520 GUIDE 1
9-31 3253262520 PROTECTOR,CHAIN 1
9-35 80532 62890 GUARD,FRONT HAND 1
9-36 4993262620 PIN,SPRING 1
9-37 86032 62520 RING,STOP E 1
9-38 8093262520 SPRING,WEIGHT 1
9-39 8083262520 WEIGHT,HAND GUARD 1
9-40 8043262520 SPRING,HAND GUARD 1
9-41 5133262520 WASHER 1
9-42 85932 62520 RING,STOP E 2
9-43 8023262520 SPACER 1
9-44 8113262520 PIN 1
9-45 3733262520 ARM,BRAKE 1
9-46 3743262520 SPRING,BRAKE 1
9-47 3743262620 SPRING,BRAKE 1
9-48 38632 62520 SUPPORT,BRAKE LINK 1
9-49 3843262520 COLLAR 1
9-50 1873262820 SHIELD 1
9-51 3793262580 LINK,BRAKE 1
9-52 37532 62520 COVER,BRAKE LINK 1
9-53 3763262520 HOLDER,BRAKE BAND 1
9-54 3783262520 BAND,BRAKE 1
9-55 6953262520 SCREW,SPECIAL M4x12 5
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PARTS INFORMA TION
HANDLES & CONTROLS • FIGURE 10
ECV -5601
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PARTS INFORMA TION
ECV -5601
HANDLES & CONTROLS • FIGURE 10
ITEM PART NUMBER DESCRIPTION QTY COMMENTS
10-1 6873262520 SCREW,SPECIAL M5x19 1
10-2 2273262520 GRIP,HANDLE 1
10-3 2573262520 LEVER,SAFETY 1
10-5 4933262520 GROMMET 1
10-6 4903262520 ROD,THROTTLE 1
10-11 2093262580 HANDLE,FRONT 1
10-12 6933262520 BOLT,SPECIAL 1
10-13 6873262520 SCREW,SPECIAL M5x19 1
10-16 4360409380 BASE,AIR CLEANER 1
10-17 2233262580 DAMPER,REAR 2
10-18 2953262520 BOLT,DAMPER 2
10-19 2653262520 CAP,DAMPER 2
10-20 4263262520 CLIP,B 1
10-21 5650409320 PIPE,AIR VENT 1
10-22 6990409391 FUEL PIPE ASSY 1
10-23 7023262590 PIPE,FUEL 1
10-24 4783262520 COLLAR 1
10-25 6750409390 FILTER,FUEL 1
10-30 5990409320 CUSHION 1
10-31 6923262520 SCREW,SPECIAL M5x52 2
10-35 6353262590 CAP,TANK 1
10-37 6303262520 GASKET,TANK CAP 1
10-40 7153262520 GUIDE 1
10-41 7063262580 ROD,CHOKE 1
10-42 7073262520 RUBBER,CHOKE ROD 1
10-45 6463262590 VALVE,AIR VENT 1
10-55 0123262590 HANDLE,REAR ASSY 1
10-56 0643262520 PIN,PUSH 1
10-57 0663262520 SPRING,PUSH PIN 1
10-58 7253262520 CAP,PUSH PIN 1
10-59 2323262520 DAMPER,FRONT 1
10-60 6943262520 SCREW,SPECIAL M4x16 1
10-61 4233262520 PACKING 1
10-62 0603262520 LEVER,THROTTLE 1
10-63 0613262520 SPRING,THROTTLE LEVER 1
10-64 4993262520 PIN,SPRING 1
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PARTS INFORMA TION
TOOLS & DECALS • FIGURE 11-12
ECV -5601
52
53
ITEM PART NUMBER DESCRIPTION QTY COMMENTS
11-21 9453254D21 COVER,BAR & CHAIN,20 1
11-50 8803262520 DRIVER 1
11-51 8833262520 SPANNER 1
11-52 200SLGK095 BAR,20" 1
11-53 33SL078X CHAIN,20" 1
ITEM PART NUMBER DESCRIPTION QTY COMMENTS
12-1 9063262520 DECAL,ECV-5601 1
12-2 9093262520 DECAL,CAUTION,ECV-5601 1
12-3 9153262520 DECAL,STARTER,ECV-5601 1
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