Page 1

AYP9158A79 (1997) Page 1 of 24
CHASSIS AND ENCLOSURES
Page 2

AYP9158A79 (1997) Page 2 of 24
CHASSIS AND ENCLOSURES
Ref # Part Number Qty Description
1 155051 CHASSIS ASM
2 140356 SUB= 145009
3 17490612 SCREW
4 19131216 WASHER
5 155272 BUMPER-HOOD/DASH
6 155923 SADDLE
8 155138 CLIP.RETAINER
9 147633X011 DASH SILKSCREEN
10 72140608 SUB= 72110608
11 155927 "PANEL-DASH,LH"
12 145660 CLIP.TINNERMAN
13 155936 "PANEL-DASH,RH"
14 17490608 SCREW LT
15 74180512 SCREW
16 73510500 NUT
17 139394X418 HOOD.STL.PRV.LB
20 156437 "PLATE-MTG,BATT/FU"
23 124028X SUB= 532124028
24 74780616 BOLT
25 19131312 WASHER
26 73800600 NUT
28 157428 GRILL
29 146654 LENS.EURO.W/DECAL
30 147310X418 FENDER PNT
31 139976 BRACKET SUPT FEND
33 145244X418 FOOTREST.LT.LT/GT
34 145243X418 FOOTREST.RH.LT/GT
35 72110606 BOLT
37 17490508 SCREW LT
38 139886 BRACKET ASM LH
39 139887 BRACKET ASM RH
40 139977 SPACER FENDER LT
51 73800400 NUT
53 144697 BRACKET.GRILLE.LH
54 17030814 SUB= 91817030814
55 144696 BRACKET.GRILLE.RH
57 74780412 SUB= 74780414
58 150127 AIR DUCT
140 158418 BRKT SUSPENSION
5479J PLUG BUTTON T
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AYP9158A79 (1997) Page 3 of 24
DECALS
Page 4

AYP9158A79 (1997) Page 4 of 24
DECALS
Ref # Part Number Qty Description
1 156868 "DECAL INST,SADDLE"
2 142341 DECAL DRAWBAR LH
3 141579 DECAL HOOD RH
4 158360 "DECAL PANEL,SIDE"
5 141583 DECAL DECK MULCH
6 157002 "DECAL DANGER,FEND"
7 4900J DECAL T
8 141580 DECAL HOOD LH
9 143349 "DECAL.CHASSIS.42"""
10 143388 NAMEPLATE.HD.WIZA
11 146615 DECAL.FENDER.WIZ
12 141517 DECAL DECK WIZ +
13 143470 DECAL STEER WHL
14 145005 DECAL.BATRY.3-3908
15 136832 DECAL
16 127520 NLA
138311 DECAL HANDLE LIFT
133671 FOOTREST PAD
158009 MANUAL.O.9158A79
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AYP9158A79 (1997) Page 5 of 24
DRIVE
Page 6

AYP9158A79 (1997) Page 6 of 24
DRIVE
Ref # Part Number Qty Description
1 REFER TO IMAGE
2 146682 SPRING.BRAKE.RETU
5 121520X STRAP TORQUE
6 17490512 SCREW
8 141003 ROD SHIFT FEND LT
10 76020416 PIN COTTER 1/8
13 74550412 BOLT.1/4-28.W/PAT
15 74490544 BOLT.HX.FLG.5/16
18 74780616 BOLT
14 73800600 NUT
21 106933X KNOB T (1/2-HOLE)
22 130804 BRAKE ROD
24 73350600 NUT
25 106888X SPRING ROD LT
26 19131316 WASHER
27 76020412 COTTER PIN
28 145204 ROD.BRAKE.PARK.LT
29 124236X CAP
30 130807 TRANSAXLE MTG BKT
32 74760512 BOLT
34 155071 SHAFT ASM-PEDAL F
35 120183X NYLON BEARING
36 19211616 WASHER LT
37 1572H SUB= 2882J
38 123674X PULLEY.IDLER.FLAT
39 74760644 BOLT
40 4470J SPACER T
41 154777 SUB= 165692
42 19131312 WASHER
47 127783 SUB= 139245
48 154604 BELLCRANK ASM
49 123205X RETAIN BELT
50 74760624 SUB= 74930624
51 73680600 SUB= 73690600
52 73680500 SUB= 73690500
53 105710X "LINK, CLUTCH T"
55 105709X "SPRING, RETURN LT"
56 74760620 SUB= 74780620
57 156971 "V-BELT,GRD DRIVE"
59 140312 KEEPER BELT CNTSP
61 17490612 SCREW
62 8883R PEDAL COVER T
63 140186 PULLEY.ENGINE
64 71170764 BOLT
65 10040700 LOCKWASHER
66 154778 KEEPER-BELT
69 142432 SCREW HEXWSH H-L
70 134683 KEEPER BELT ENG
72 19132012 WASHER
74 156972 "SPACER AXLE,PVST"
75 121749X WASHER
76 12000001 E-RING LT
77 123583X SQUARE KEY
78 121748X WASHER
81 156969 SHAFT ASM CROSS
82 123782X "SPRING,TORSION"
83 19171216 WASHER
84 156962 "ROD TIE, PVST 20"""
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AYP9158A79 (1997) Page 7 of 24
DRIVE
Ref # Part Number Qty Description
86 71208 BUSHING
87 19212016 WASHER D
88 12000008 KLIP RING
89 151147 SUB= 164893
95 156970 ROAD ASM BYPASS
96 4497H RETAINER M
100 19111216 WASHER M
113 127285X "STRAP,TORQUE"
116 72110610 BOLT RDHD 3/8-16
118 154774 SPACER-BELLCRANK
121 154419 NYLINER-CLUTCHING
122 156963 "PLATE-BYPASS,PVST"
123 19091016 WASHER
124 156967 SPRING RETURN
125 74780516 SUB= 77394
126 1685H SUB= 68478
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AYP9158A79 (1997) Page 8 of 24
ELECTRICAL
Page 9

AYP9158A79 (1997) Page 9 of 24
ELECTRICAL
Ref # Part Number Qty Description
1 144925 SUB= 123899X
2 74760412 BOLT LT
3 19091016 WASHER
4 10040400 LOCKWASHER
6 73220400 SUB= 50675
7 109238X TUBE T
8 156417 "CASE,BATTERY.MECH"
9 109596X HOSE CLAMP T
15 147688 FASTNER.SNAP-IN
16 153664 SWITCH INTERLOCK
19 10090400 SUB= 10040400
20 73350400 NUT
21 136850 "HARNESS,LIGHT SOC"
22 4152J HEADLAMP BULB
24 4799J "CABLE T, BATTERY"
25 146147 CABLE.BTRY.6GA.RD
26 108824X FUSE HYT
28 4207J CABLE T
29 121305X SWITCH SEAT
30 140301 SWITCH IGN 4POS
31 124211X NUT IGNITION
32 141226 COVER KEY SWITCH
33 122147X KEY
40 156442 HARNESS-IGNITION
41 71110408 BOLT HXHD FIN
42 131563 SUB= 154336
43 145673 SUB= 146154
44 73640400 NUT HXKEP 1/4X20
45 121433X SUB= 122822X
52 141940 PROTECTION LOOP
70 140422 HARNESS.ENG.DUAL
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AYP9158A79 (1997) Page 10 of 24
ENGINE
Page 11

AYP9158A79 (1997) Page 11 of 24
ENGINE
Ref # Part Number Qty Description
1 140310 CONTROL THROTTLE
2 17720410 SCREW LT
3 28N777-0182-01 ENGINE B&S
4 137352 MUFFLER
13 272293 GASKET ENG 1 313 LD TIN PLATED
14 13280324 PIPE NIPPLE
15 13200300 ELBOW
16 11050600 LOCKWASHER
23 156123 SHIELD-HEAT
29 137180 SUB= 532137180
31 140280 SUB= 161911
32 140527 CAP ASM FUEL
33 123487X HOSE CLAMP
35 17490512 SCREW
37 137040 LINE FUEL
38 REFER TO IMAGE
40 124028X SUB= 532124028
44 17490412 SCREW HEX CRT
46 19091416 WASHER
49 17490616 SCREW GTV
62 10040500 LOCKWASHER
72 71070512 SCREW
78 17490620 SCREW
81 128861 NUT
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AYP9158A79 (1997) Page 12 of 24
LIFT
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AYP9158A79 (1997) Page 13 of 24
LIFT
Ref # Part Number Qty Description
1 136973 WIRE ASM
2 145117 SHAFT.LIFT.ASM.RH
3 105767X PIN-GROOVE LT
4 12000002 SUB= 2225J
5 19211621 WASHER
6 120183X NYLON BEARING
7 125631X GRIP HANDLE
8 122365X SUB= 125925X
10 122512X SUB= 532122512
11 139865 SUB= 918139865
12 139866 SUB= 151140
13 4939M SUB= 85902
15 127218 LINK.FRONT
16 73350800 NUT
17 130171 TRUNION
18 73800800 NUT.LK.W/WSH.1/2.
19 139868 ARM SUSP REAR
20 3146R RETAINER.SPRING
23 110807X NUT T
24 19131016 WASHER
25 2876H SPRING T
26 76020308 SUB= 3145
27 126971X SUB= 532126971
28 73350600 NUT
29 138057 KNOB INF 3/8-16
30 150233 TRUNNION
31 140302 BEARING PVT LH
32 73540600 NUT.CROWNLOCK.3/8
36 155097 POINTER-INDICAT
37 123935X "PLUG,HOLE"
38 17490512 SCREW
40 19112410 WASHER
41 123934X HEIGHT INDICATOR
49 145212 NUT.HXFLG.LOCK.
50 110452X NUT PUSH M
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AYP9158A79 (1997) Page 14 of 24
MOWER DECK
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AYP9158A79 (1997) Page 15 of 24
MOWER DECK
Ref # Part Number Qty Description
1 144393 DECK.WELD.42.
2 72140506 BOLT
3 138017 BRKT ASM SWAY BAR
4 138440 BRKT DECK SW BAR
5 4939M SUB= 85902
6 130832 SUB= 130833
8 850857 BLADE BOLT
9 10030600 SUB= 10040600
10 140296 WASHER.HARD.BLADE
11 134149 "BLADE.42"" MULCHER"
12 129895 BEARING.BALL
13 137645 SUB= 137646
14 128774 HSG ASM MANDREL
15 110485X BEARING
16 140329 STRIPPER RND MWR
17 72110610 BOLT RDHD 3/8-16
18 72140505 BOLT
19 132827 BOLT SHD 5/16-18
20 136888 SUB= 918136888
21 73680500 SUB= 73690500
22 134753 STIFFENER BRKT
23 131267 DEFLECTOR BRKT
24 105304X CAP-SLEEVE LT
25 123713X SPRING TORSION
26 110452X NUT PUSH M
27 130968 DEFLECTOR.SHIELD
28 19111016 WASHER
29 131491 HINGE ROD
30 138776 SUB= 157722
31 129963 WASHER
32 153535 PULLEY.MANDREL.42
33 137266 SUB= 139729
34 72110614 BOLT
35 133835 XMAS TREE FASTNER
36 131494 FLAT IDLER PULLEY
37 19131316 WASHER
40 73680600 SUB= 73690600
41 133551 PIVOT ROD
43 140083 ROD CLUTCH W/NIBS
44 140088 GUARD MAND LH BLK
45 4497H RETAINER M
46 137729 SCREW.1/4-20X5/8
48 133944 HARD SMALL WASHER
49 155066 ROLLER ASM-CAM
50 131340 SHOULDER BOLT
51 69180 LOCKNUT
52 139888 BOLT.SHLD.5/16-18
53 131845X900 SUB= 131845
54 133943 HARDENED WASHER
55 155046 ARM-IDLER
56 122052X SPACER RETAINER
58 140086 SPRING TORSN BRAK
59 141043 GUARD IDLER TUV
67 106932X KNOB T(3/8 HOLE)
68 144200 BELT.V.T-PATH
71 142427 ROD CLUTCH 38/42
72 131870 RETURN SPRING
73 127847 CLUTCH ARM SECOND
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AYP9158A79 (1997) Page 16 of 24
MOWER DECK
Ref # Part Number Qty Description
74 121748X WASHER
75 12000029 RING
76 128903 SHOULDER BOLT
77 127845 SPRING KEEPER
78 154809 LEVER ASM-CLUTCH
79 127498 BUSHING
80 153701 SPRING.CLUTCH.MWR
81 73350600 NUT
82 142028 TRUNION ADJ
83 120958X WASHER
84 156084 "KEEPER-BELT,FIXED"
85 72140618 BOLT RDHD 3/8-16
92 73800600 NUT
101 136420 "COVER.MULCH.42"""
102 71161010 SCREW
103 19061216 WASHER #10
104 10071000 LOCKWASHER
105 130758 SUB= 160793
106 2029J WELDNUT
111 155197 BRACKET.GWHL.LH.
12 155198 BRACKET.GWHL.RH.
13 17490512 SCREW
114 73510500 NUT
115 72110504 SUB= 872110504
116 137644 BOLT.SHOULDER
117 133957 WHEEL GAGE DONUT
118 73930600 LOCKNUT
119 19121414 WASHER
121 143723 BRACKET.EXTRD.GWL
132 19132203 WASHER GT
128 153390 WASHER.FELT.
130794 MANDREL ASM
145411 SUB= 164963
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AYP9158A79 (1997) Page 17 of 24
SEAT
Page 18

AYP9158A79 (1997) Page 18 of 24
SEAT
Ref # Part Number Qty Description
1 140117 SEAT.2400/1416.BK
2 140551 BRACKET PVT SEAT
3 74760616 BOLT
4 19131610 WASHER PM
5 145006 CLIP.PUSH-IN.HING
6 73800600 NUT
7 124181X SPRING COMPRESSIO
8 17490616 SCREW GTV
9 19131614 WASHER
10 155925 PAN-SEAT
12 121246X BRKT SWITCH
13 121248X BUSHING
14 72050411 SUB= 872050411
15 134300 SPLIT SPACER
16 121250X SPRING
17 123976X SUB= 73900400
21 153236 "BOLT,SHOULDER"
22 73800500 NUT
23 74780814 BOLT
24 19171912 WASHER
25 127018X "BOLT,SHOULDER"
26 10040800 LOCKWASHER
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AYP9158A79 (1997) Page 19 of 24
STEERING
Page 20

AYP9158A79 (1997) Page 20 of 24
STEERING
Ref # Part Number Qty Description
1 140044 WHEEL STR AYP BLK
2 154427 AXLE ASM
3 154422 SUB= 156483
4 154423 SUB= 157473
5 6266H WASHER .T
6 121748X WASHER
7 19272016 WASHER
8 12000029 RING
9 3366R COL. SRTG. BEAR.
10 156438 DRAGLINK-STAMPED
11 10040600 LOCKWASHER
13 154779 BEARING AXLE
15 73901000 "NUT-LOC,FLANGE LT"
16 132624 AXLE PIN
17 156546 SHAFT ASM STEERIN
18 57079 THRUST WASHER
19 124035X SUPPORT.SHAFT
20 126684X SUB= 532126684
21 10040400 LOCKWASHER
22 71100410 SCREW.SCKTHD.CAP
23 127501 SUB= 918127501
25 154406 BRKT-STEERING
26 126847X BUSHING.DRAGLINK
27 136874 GEAR SECTOR
28 19131416 WASHER
29 17490612 SCREW
30 76020412 COTTER PIN
32 130465 TIE ROD
36 155099 BUSHING.STEERING
37 152927 "SCREW-TT,10-32 FL"
38 140045 CAP STEER AYP
39 19133808 WASHER T
40 7810H GRIPCO NUT
41 100711L ADAPTER LT
42 145054 BOOT.STEER.PL
43 121749X WASHER
44 153720 EXT SHAFT STEERIN
46 121232X CAP
47 6855M ZERK M
51 73800500 NUT
54 74780520 BOLT
62 156594 KIT STEERING ASM
63 74780616 BOLT
65 154780 SPACER AXLE
66 154404 "BEARING-ARM,PITMA"
67 74781044 BOLT
68 154429 BRACE AXLE
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AYP9158A79 (1997) Page 21 of 24
TRANSAXLE
Page 22

AYP9158A79 (1997) Page 22 of 24
TRANSAXLE
Ref # Part Number Qty Description
36 790075 BRAKE DISC
37 790007 PLATE BRAKE PAD
38 799021 BRAKE PAD
39 786026 PIN DOWEL
40 792076A WASHER
41 790085 BRAKE LEVER
42 792073 SCREW, 1/4-20 X 1-1/4
42A 792085A SCREW, 1/4-20 X 2-1/4
43 792075 LOCKNUT 5/16-24
44 790025 HOLDER BRAKE PAD
45 786066 SPACER
46 790086 BRAKE LEVER BRACKET
71 788069 SEAL SQUARE CUT
71A 792162 PUSHNUT
79 792144 SPRING
87 788035 OIL SEAL
180 730229A GEAR OIL 80W90
189 792168 DRIVE SCREW
189A 792169 SCREW
190 792150 LOCKWASHER
191 792151 NUT
208B 798025 FAN/COUPLING
209 798024 CONTROL LEVER
Page 23

AYP9158A79 (1997) Page 23 of 24
WHEELS/TIRES
Page 24

AYP9158A79 (1997) Page 24 of 24
WHEELS/TIRES
Ref # Part Number Qty Description
1 59192 VALVE CAP
2 65139 VALVE STEM LT
3 106222X SUB= 122073X
4 59904 TUBE.5.3/4.5/6
5 106732X427 "RIM ASM 6"" FRT"
6 278H FITTING LT
7 9040H "FLANGE, BEARING"
8 106108X427 "RIM AS 8"" REAR"
9 122082X SUB= 918122082X
10 7152J TUBE.18X9.5-8
11 104757X HUB CAP
144334 SEALANT.TIRE 10 OZ. TUBE