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Model Number:
TBC-225C
GRASS TRIMMER
P/N 39718
Rev 000
Date 4-15-08
Nikko Tanaka Engineering U.S.A.,Ltd.• 1028 4th Street SW, Bldg B • Auburn, WA 98001 • Phone: (253) 333-1200 • Fax: (253) 333-1212
www.tanakapowerequipment.com custsvc@nikko-tanaka-usa.com

PARTS INFORMATION
CYLINDER, PISTON, CRANKSHAFT, IGNITION • FIGURE 1
TBC-225C
ITEM PART NUMBER DESCRIPTION QTY COMMENTS
1-1 1570157090 CAP,SPARK PLUG,ASSEMBLY 1
1-2 0181166021 PLUG,SPARK 1
1-6 0010713091 CYLINDER SET 1 Includes gasket
1-7 99461050184 BOLT,HEX,5X18,S 2
1-9 01700980200 GASKET,CYLINDER 1
1-11 04100601210 RING,PISTON 1
1-12 0300007090 PISTON SET 1 Includes piston rings and circlips
1-13 03901620200 CIRCLIP,PISTON PIN 1
1-14 03706500200 PIN,PISTON 1
1-16 0460713081 CRANKSHAFT 1 ~B001000
1-16 0460713580 CRANKSHAFT 1 B001001~
1-17 99962081277 BEARING,NEEDLE,HK0810B 1
1-18 06810100200 KEY,WOODRUFF,3X13X4.5 1 ~B001000
1-40 1782054620 CORD B 1
1-46 99463040154 BOLT,HEX,4X15,PS 2
1-
50 1672054691 COIL,IGNITION 1
1-56 56020517200 CAP,RUBBER 1
1-58 1780136M800 CORD,STOP 2
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PARTS INFORMA TION
CRANKCASE & FLYWHEEL • FIGURE 2
TBC-225C
ITEM PART NUMBER DESCRIPTION QTY COMMENTS
2-19 33000200210 SHIM,12.2X19X.10 1
2-19 33000200220 SHIM,12.2X19X.15 1
2-19 33000200230 SHIM,12.2X19X.20 1
2-19 33000200240 SHIM,12.2X19X.30 1
2-22 7980304520 PULLEY,STARTER 1
2-31 0720712092 CRANKCASE ASSY 1 Includes gasket, bearings and seals
2-32 99966122240 SEAL,OIL 2
2-33 99961600115 BEARING,BALL,6001 C3 2
2-34 0900641020 GASKET,CRANKCASE 1
2-36 99461050184 BOLT,HEX,5X18,S 3
2-51 1552055080 ROTOR,MAGNETO 1 ~B001001
2-51 1552055081 ROTOR,MAGNETO 1 B001001~
2-52 99201080011 WASHER,8 1
2-54 99101080011 NUT,8 1
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PARTS INFORMATION
TBC-225C
FUEL SYSTEM • FIGURE 3
ITEM PART NUMBER DESCRIPTION QTY COMMENTS
3-40 4030631A20 GASKET,INLET MANIFOLD 1
3-41 4040099F90 SET,CARB INSULATOR 1
3-42 4020602K21 GASKET,CARBURETOR 1
3-47 99464050224 BOLT,HEX,5X22,WS 2
3-49 4310634C200 GASKET,CLEANER 1
3-55 99416050601 SCREW,5x60WS 2
3-58 5600712020 SWIVEL CAP 1
3-59 2230700090 FUEL PIPE ASSY 1
3-60 68000731201 CLIP 6.3 1
3-61 6750404280 FILTER,FUEL 1
3-62 5910712021 TANK,FUEL 1 Before S/N ~D067000
3-62 5910717F20 TANK,FUEL,EVAPO 1 After S/N D067001~
3-63 5950300290 CAP,TANK (BLACK/RED) 1
3-64 65900801200 COLLAR 3
3-65 4550713990 CARBURETOR SET 1 Includes gask
3-67 99463050164 BOLT,HEX,5X16,PS 2
3-68 99463050205 BOLT,HEX,5X20PS 1
3-78 7000300508 PIPE,FUEL,3X5X85 1
3-79 53432710200 GROMMET,FUEL PIPE 1
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PARTS INFORMA TION
MUFFLER, CLUTCH & COVER • FIGURE 4
TBC-225C
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PARTS INFORMA TION
TBC-225C
MUFFLER, CLUTCH & COVER • FIGURE 4
ITEM PART NUMBER DESCRIPTION QTY COMM E NT S
4-1 7380716220 COVER,MUFFLER 1
4-2 99415040151 SCREW,4X15PS 1
4-4 99073045124 SCREW,TAPPING,4.5X12 1
4-5 99051050503 BOLT,HEX,5X50 2
4-6 99201050061 WASHER,5 2
4-7 7040713990 MUFFLER SET 1 Includes gask et
4-16 7370700020 GASKET,MUFFLER 1
4-17 1330654020 SHIELD,HEAT 1
4-24 99463040154 BOLT,HEX,4X15,PS 4
4-31 35902103200 WASHER,CLUTCH,B 2
4-32 2900641080 SHOE,CLUTCH 2
4-33 3420641020 SPRING,CLUTCH 1
4-34 3480654020 PLATE,CLUTCH 2
4-35 35700601200 BOLT,STEP,CLUTCH 2
4-36 99464050184 BOLT,HEX,5X18,WS 2
4-38 99205080030 WASHER,8 2
4-45 99464050304 BOLT,HEX,5X30,WS 1
4-63 19811600200 CLAMP,CORD 1
4-77 75104200201 GASKET,MUFFLER 2
4-78 7340099K90 PIPE,EXHAUST 1
4-79 99434040081 SCREW,4X8/S 2
4-80 7320099F90 SET,SPAR K ARRESTER 1
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PARTS INFORMATION
24
9
TBC-225C
STARTER • FIGURE 5
748744
1
Consider ordering the
748744, S-Start Kit if you
are replacing the starter
assy. It decreases the pull-
effort by 60%. They are
dependable and easy to
install.
ITEM PART NUMBER DESCRIPTION QTY COMMENTS
1RETRATS,YDOB08540302771-5
1RETRATS,YELLUP02540304772-5
1LIOCER,GNIRPS02540309773-5
1GNIWS,MRA02540307774-5
1TES,WERCS02540309385-5
1YELLUP,YATS02540301776-5
1RETRATS,EPOR02540303877-5
1RETRATS,ELDNAH02540305878-5
5-9
5-24
3153334020
99463040154
NUT, SPECIAL 5MM
HEX, HOLE BOLT 4X15/PS
1
4
NOT INCLUDED WITH ASSEMBLY
tiK tratS-S lanoitpO 00021706571Y'SSA RETRATS09540302670-5
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PARTS INFORMA TION
TBC-225C
AIR CLEANER • FIGURE 6
ITEM PART NUMBER DESCRIPTION QTY COMMENTS
6-0 41000025900 CLEANER,AIR ASS'Y 1
6-1 42400025200 CAP,AIR CLEANER 1
6-2 44600025200 ELEMENT,CLEANER 1
6-3 47000025200 COLLAR 2
6-4 42300025800 BODY,CLEANER,AIR 1
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PARTS INFORMA TION
TBC-225C
CARBURETOR • FIGURE 7
0
ITEM PART NUMBER DESCRIPTION QTY COMMENTS
7-0 4550713990 CARBURETOR SET 1 Includes gasket
7-2 5752515380 BODY,PUMP 1
7-3 4422515180 PUMP,PRIMING 1
7-4 4762515120 COVER,DIAPHRAGM 1
7-5 44725108200 BULB,PRIMING 1
7-6 ~ ~ ~ METERING DIAPHRAGM 1 ~ Contained in Carb Repair Kit
7-7 ~ ~ ~ GASKET,DIAPHRAGM 1 P/N 650-25140-900
7-8 ~ ~ ~ DIAPHRAGM,PUMP 1 (not available individually)
7-9 ~ ~ ~ GASKET,PUMP 1
7-10 5992000W38 JET,MAIN #38 1
7-11 55025100200 O-RING 1
7-12 48925100200 RING,STOP 1
7-13 53925120200 SWIVEL 1
7-15 54825140200 SCREW,THROTT LE SET 2
7-20 5482515120 SCREW,SET 4
7-201 57825007200 SCREEN,INLET 1
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PARTS INFORMA TION
FAN CASE & CLUTCH DRUM • FIGURE 8
This item is no longer sold as
assembly. Order individual parts.
TBC-225C
ITEM PART NUMBER DESCRIPTION QTY COMMENTS
8-1 2890716280 DRUM,CLUTCH 1
8-6 99074045164 S CREW,TAPPING 4.5x16 1
8-8 99464050304 BOLT,HEX,5X30,WS 2
8-11 1120716480 FAN CASE 1 Includes bearing
8-15 99191050001 NUT,5 2
8-31 2490712K20 SPACER 1
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PARTS INFORMA TION
DRIVE SHAFT & SAFETY GUARD • FIGURE 9
TBC-225C
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PARTS INFORMA TION
TBC-225C
DRIVE SHAFT & SAFETY GUARD • FIGURE 9
ITEM PART NUMBER DESCRIPTION QTY CO MMENTS
9-1 3533847490 SHAFT PIPE SET 1
9-2 3003847490 CASE,GEAR,ASS'Y 1
9-3 3413847420 PIPE,DRIVE SHAFT 1
9-4 3503847420 LINER,FLEXIBLE 1
9-5 3443847420 SHAFT,FLEXIBLE 1
9-6 3043847420 SHAFT,CUTTER 1
9-7 99961608001 BEARING,BALL,#608LB 2
9-8 3483847420 COLLAR,5 1
9-9 99021050101 BOLT,5x10 1
9-10 3003847420 CASE,GEAR 1
9-11 99021050301 BOLT,5X30 1
9-12 99210080012 WASHER,S,8 1
9-13 3203847420 SPACER 1
9-14 3103847420 HOLDER,CUTTER 1
9-15 7603847420 W ASHER,SPECIAL 1
9-20 4413845220 GUARD,SFAETY 1
9-21 99201060011 WASHER,6 1
9-22 99101060011 NUT,6 1
9-23 99023060451 BOLT,6x45 1
9-32 7973845220 KNIFE 1
9-34 99073050164 SCREW,TAPPING,5X16 1
9-48 3463737A20 HOLDER 2
9-50 5093845320 GRIP,SHAFT 1
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PARTS INFORMA TION
THROTTLE & FRONT HANDLE • FIGURE 10
TBC-225C
ITEM PART NUMBER DESCRIPTION QTY COMM ENTS
10-16 8853845191 THROTTLE WIRE SET 1
10-26 5003845220 HANDLE,FRONT 1
10-27 99101050041 NUT,5 3
10-31 99416050302 SCREW,5x30,WS 3
10-41 8803845120 LEVER,THROTTLE 1
10-42 8323845120 SPRING,RETURN 1
10-43 1623845120 BUTTON,STOP 1
10-44 9253845120 DECAL,STOP SWITCH 1
10-45 1563845180 SWITCH,STOP 1
10-46 99011050301 SCREW,5X30 3
10-47 99101050011 NUT,5 3
10-48 99072050144 SCREW,TAPPING,5X14 1
10-52 1640701701 TUBE,PROTECTION,7x170 1
10-55 8703847490 LEVER,THROTT LE ASSY 1
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PARTS INFORMA TION
CUTTING HEAD & TOOLS • FIGURE 11
TBC-225C
ITEM PART NUMBER DESCRIPTION QTY COMMENTS
11-0 746852 HEAD,SEMI-AUTO,4" CURVED 1
11-1 7863847420 CUTTING BODY 1
11-2 3563847420 SPECIAL NUT,RH 1
11-3 7873819520 REEL 1
11-4 7933819520 SPRING 1
11-5 4023819500 CAP-SLIDER SET 1
11-6 7883819520 EYELET 2
11-7 746560 TRIMMER LINE,.095 1
11-8 4033819520 DISK 1
11-9 99414050141 SCREW 1
11-10 4023819580 SLIDER 1
11-30 8132901460 WRENCH,HEX 14 1
11-31 8262901460 SPANNER,COMBI 17x19 1
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PARTS INFORMA TION
TBC-225C
DECALS • FIGURE 12
ITEM PART NUMBER DESCRIPTION QTY COMMENTS
12-1 9060716220 DECAL,TBC-225C 1
12-3 9290716220 DECAL,TBC-225C 1
12-4 92337400200 DECAL 1
12-10 9193782020 DECAL,CAUTION A 1
12-26 9233738F20 DECAL,LEVEL 1
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S・START KIT
Order Number
A --- TBC2501/D, TPH2501, TPS-2501, TPE2501 748733
B --- TBC230/230B/230D 748744
C --- TBC290/290D/340/340D 748732

S-Start Parts Information
REF. PART
NUMBER NUMBER
DESCRIPTION
AB
Q'TY
756-07075-00 S・START KIT (TBC2501) 1
756-07120-00 S・START KIT (TBC230) 1
756-07027-00 S・START KIT (TBC290) 1
000 762-07075-90 RECOIL STARTER BODY ASS'Y 1
000 762-07085-90 RECOIL STARTER BODY ASS'Y 1
000 762-07027-90 RECOIL STARTER BODY ASS'Y 1
001 785-07085-20 STARTER HANDLE 1 1 1
002 772-07085-80 RECOIL STARTER BODY COMP, 1 1 1
003 783-07085-20 RECOIL ROPE 1 1 1
004 780-07085-20 RECOIL SPRING 1 1 1
005 786-07085-20 SPRING PLATE 1 1 1
006,1 778-07027-90 RECOIL SPRING CASE ASS'Y 1 1
006,1 778-07085-90 RECOIL SPRING CASE ASS'Y 1
006,1 778-07075-90 RECOIL SPRING CASE ASS'Y 1
006 778-07085-91 SORING CASE ASS'Y 1 1
007 328-07085-20 STARTER BUSH 1 1 1
008,1 774-07075-20 STARTER PULLEY 1
008,1 774-07085-20 STARTER PULLEY 1
008,1 774-07027-20 STARTER PULLEY 1
008 774-07085-21 STARTER PULLEY 1
009 182-07085-20 SPECIAL WASHER 5.2X15 1 1 1
010 990-72050-144 TAPPING SCREW 5X14 1 1 1
011 991-01080-011 HEX. NUT 8 1
012 994-64040-185 HEX. HOLE BOLT 4X18WS 4
013 806-07027-20 STARTER BASE 1
014 806-07070-20 STARTER BASE 1
015 806-07120-20 STARTER BASE 1
016 990-73045-144 TAPPING SCREW 4.5X14 3 3 3
017 994-64040-125 HEX. HOLE BOLT 4X12WS 4
020 798-07085-90 STARTER PULLEY ASS'Y 1 1 1
021 991-91050-001 SQUARE NUT 5 1
022 915-07078-20 STARTER MARK (S・START) 1 1 1
060 314-07070-20 SPECIAL BOLT 1
C