Husqvarna YTH25K54/96048003400 Owner's manual

English
532 44 69-55
Repair Parts Manual
IPL Manual
YTH25K54 / 96048003400
Please read the operator's manual carefully and make sure
you understand the instructions before using the machine.
Lisez très attentivement et soyez certain de comprende
ces instructions avant d’utiliser cette machine.

2
HOW TO USE THIS MANUAL
This manual is designed to provide the customer with a means to identify the parts on his/her tractor when ordering repair parts. The
illustrations may or may not represent the actual assemblies; therefore, it is not recommended to use this manual as a guide to assemble
or disassemble the tractor. Some hardware and parts are drawn larger in order to more readily identify them.
Each tractor has its own model number.
The model number for your tractor can be found on the fender under the seat.
When ordering parts, always give the following information:
• Product - “TRACTOR”
• MODEL NUMBER - “YTH25K54" (96048003400)
• Part Number
• Part Description
TABLE OF CONTENTS
SCHEMATIC .......................................................................................................................................................................3
ELECTRICAL.................................................................................................................................................................. 4-5
CHASSIS ........................................................................................................................................................................ 6-7
DRIVE.............................................................................................................................................................................. 8-9
ENGINE....................................................................................................................................................................... 10-11
STEERING .................................................................................................................................................................. 12-13
MOWER DECK ........................................................................................................................................................... 14-15
MOWER LIFT....................................................................................................................................................................16
SEAT .................................................................................................................................................................................17
DECALS............................................................................................................................................................................18
WARRANTY................................................................................................................................................................ 19-22
COMMENT UTILISER CE MANUEL
Ce manuel a été dessiné pour fournir le client avec les moyens d'identification des pièces de détachées du tracteur quand il/elle a
besoin de commander les pièces de rechange. Les illustrations ne peuvent pas représenter exactement le modèle que vous avez
acheté. N'utilisez pas ce manuel comme un guide dans le montage et/ou démontage de votre tracteur. La visserie montrée est plus
grande pour faciliter l'identification.
Chaque tracteur a un numéro de modèle particulier.
Le numéro de modèle du produit se trouvera sur l'aile, dessous le siège.
Lorsque vous commandez des pièces de rechange, donnez toujours les renseignements suivants:
• Produit - "TRACTEUR"
• NUMÉRO DU MODÈLE - “YTH25K54" (96048003400)
• Numéro de la Pièce
• Description de la Pièce
TABLE DE MATIERES
SCHÉMA...........................................................................................................................................................................23
ELECTRIQUE ............................................................................................................................................................. 24-25
CHÂSSIS/ENCEINTES............................................................................................................................................... 26-27
ENTRAÎNEMENT........................................................................................................................................................ 28-29
MOTEUR..................................................................................................................................................................... 30-31
ENSEMBLE DE LA DIRECTION................................................................................................................................ 32-33
CARTER DE TONDEUSE........................................................................................................................................... 34-35
LEVAGE DE LA TONDEUSE...........................................................................................................................................36
ENSEMBLE DU SIÉGE ...................................................................................................................................................37
DECALCOMANIES...........................................................................................................................................................38
GARANTIE.................................................................................................................................................................. 39-42

3
NOTES
M
FUSE
STARTER
SOLENOID
BATTERY
ELECTRIC CLUTCH
CLUTCH/BRAKE
(PEDAL UP)
REVERSE SWITCH
(NOT IN REVERSE)
SEAT SWITCH
(NOT OCCUPIED)
SHORTING
CONNECTOR
CHASSIS
HARNESS
IGNITION
UNIT
HOUR
METER
REGULATOR
CHASSIS HARNESS
CONNECTOR
(MATING SIDE)
DASH HARNESS
CONNECTOR
(MATING SIDE)
LIGHT
SWITCH
HEADLIGHTS
STATOR
FUEL
LINE
FUEL SHUT-OFF
SOLENOID
(IF EQUIPPED)
JUNCTION
CONNECTOR
PTO SWITCH
(DISENGAGED)
SM
B
G
L
2
3
1
6
A2
A1
M
6
3
52
41
6
5
4
3
2
1
SPARK
PLUGS GAP
(2 PLUGS ON
TWIN CYL. ENGINES)
28 VOLTS AC @ 3600 RPM (REGULATOR DISCONNECTED)
CHARGING SYSTEM OUTPUT
9-16AMPDC@3600 RPM
(OPTIONAL)
NON-REMOVABLE
CONNECTIONS
REMOVABLE
CONNECTIONS
WIRING INSULATED CLIPS
NOTE: IF WIRING INSULATED
CLIPS WERE REMOVED FOR
SERVICING OF UNIT, THEY
SHOULD BE RE-INSTALLED TO
PROPERLY SECURE YOUR
WIRING.
SCH12
IGNITION SWITCH
CIRCUIT
POSITION
OFF
B+A1
RUN/OVERRIDE
B+S+A1
START
M+G+A1
B+A1
RUN
“MAKE”
L+A2
POWER OUTLET
(OPTIONAL)
12V
A
AMMETER
(OPTIONAL)
BLACK
BLACK /WHITE
ORANGE
RED
BROWN
BLUE
BLUE
BLACK
BLACK
BLACKBLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
RED
RED
RED
RED
WHITE
WHITE
WHITE
GRAY
GRAY
BLACK
BLACK
B
A
G
H
D
FC
E
PTO SWITCH
B
A
H
D
C
E
BLUE BLACK
TRACTOR - MODEL NO. YTH25K54 (96048003400), PRODUCT NO. 960 48 00-34
SCHEMATIC

4
TRACTOR - MODEL NO. YTH25K54 (96048003400), PRODUCT NO. 960 48 00-34
ELECTRICAL
8
1
99
100
91
227
90
28
55
26
43
41
24
27
25
30
33
22
79 21
40
71
34
With Service Minder Option
4646
With 12V Outlet Option
59
103
16
42
T11S
102
29
105

5
TRACTOR - MODEL NO. YTH25K54 (96048003400), PRODUCT NO. 960 48 00-34
ELECTRICAL
KEY PART
NO. NO. DESCRIPTION
1 532 16 34-65 Battery
2 874 76 04-12 Bolt Hex Hd 1/4-20 unc x 3/4
8 532 18 64-91 Battery Box
16 532 17 61-38 Switch Interlock
21 532 40 02-52 Harness Socket Light w/4152J
22 532 00 41-52 Bulb, Light # 1156
24 532 40 02-53 Cable Battery
25 532 41 28-95 Cable Starter
26 532 17 51-58 Fuse
27 873 51 04-00 Nut Keps Hex 1/4-20 unc
28 532 14 54-91 Cable Ground
29 532 40 15-45 Switch Seat
30 532 19 33-50 Switch Ign
33 532 41 19-35 Key / Chain
34 532 11 07-12 Switch Light/Reset
40 532 40 11-04 Harness Ign. Dash/Lift
41 817 72 04-08 Screw Thd Cut 1/4-20 x 1/2
42 532 13 15-63 Cover Terminal Red
43 532 19 25-07 Solenoid
46 532 40 17-63 Gauge Hourmeter
50 532 17 46-51 Switch PTO
55 817 06 05-12 Screw Thdrol 5/16-18 x 3/4
71 532 19 42-76 Harness Ign Chassis/Lift
79 532 17 52-42 Socket Asm Bulb Twistlock
90 532 43 53-95 Cover Terminal Battery
91 532 19 02-70 Strap Battery
99 817 67 04-12 Screw Hexwsh Thdrol 1/4-20 x 3/4
100 819 09 14-16 Washer 9/32 x 7/8 x 16 Ga.
102 532 40 44-54 Harness Pigtail K46 Tex ROS
105 532 40 75-68 Switch Reverse Tufftorq Pedal
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm

6
TRACTOR - MODEL NO. YTH25K54 (96048003400), PRODUCT NO. 960 48 00-34
CHASSIS
182
176 176
175
150
52
130
130
177
159
159
152
217
chassis-tex_GT HUSQ II_118
178
68
68
183
236 34
235
68
68
213 213
218
228
228
194
180
58
189
189
233
233
37 165
194
194
162
282
282
36
36
285
286 283
199
284
287
161
234
14
202
203
205 151
206
137
137
214
204
208
15
25
207
3
297
191
18
130
130
130
176
5
176
176
350
335
195
350
336

7
TRACTOR - MODEL NO. YTH25K54 (96048003400), PRODUCT NO. 960 48 00-34
CHASSIS
3 532 44 44-81 Applique
5 532 43 74-72 Dash Asm
14 532 44 11-77 Hood
15 532 43 97-33 Lens LH
18 532 44 06-53 Grille
25 532 44 33-85 Lens RH
34 532 44 72-53 Plate Engine
36 817 06 05-12 Screw 5/16-18 x 3/4
37 532 44 11-78 Fender
52 873 68 05-00 Nut Lock 5/16-18
58 532 41 22-80 Drawbar, Upper
68 817 49 05-08 Screw 5/16-18 x 1/2
130 532 41 63-58 Screw #10 x 0.750
137 532 40 75-90 Bumper Dash
150 532 43 97-74 Duct Heat Hood
151 532 43 66-70 Bracket Pivot Hood
152 532 43 98-70 Shield Browning/Debris
159 817 00 06-12 Screw 3/8-16 x 3/4
161 532 43 97-81 Console Fuel Window
162 532 14 24-32 Screw Hex Wsh Hi-Lo 1/4 x 1/2
165 532 19 68-26 Bracket Support Tank
175 532 19 63-04 Crossmember
176 532 40 07-76 Screw 10-24 x 5/8 Rnd Qdrx
177 532 19 52-27 Bushing Steering
178 532 19 97-82 Cargo Asm.
180 532 41 50-63 Chassis
182 532 40 68-59 Dash Lower
183 874 52 05-20 Bolt 5/16-18 x 1-1/4 Full Thd.
189 817 00 05-12 Screw 5/16-18 x 3/4
191 532 43 74-55 Insert Reflective RH
194 873 90 05-00 Nut Lock Hex Flange 5/16-18
195 532 40 41-37 Plug Hold Dash Lower NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
199 532 41 34-85 Plate Deck Lift
202 532 43 97-28 Vent Side Hood RH
203 532 43 97-27 Vent Side Hood LH
204 532 44 44-84 Vent Hood Top
205 532 43 97-30 Skirt Hood Side RH
206 532 43 97-29 Skirt Hood Side LH
207 532 43 97-34 Bezel RH
208 532 43 97-35 Bezel LH
213 874 76 05-12 Bolt Hex Hd 5/16-18 unc x 3/4
214 532 19 91-45 Clip Retainer
217 532 40 91-67 Rod Pivot
218 532 19 63-95 Hood Stop
228 532 19 51-61 Stud Fastner
233 532 19 65-39 Bolt Shoulder
234 532 40 47-42 Bumper Hood
235 532 40 61-29 Spacer Fender
236 873 93 05-00 Nut Lock 5/16-18 unc
282 532 41 41-10 Clip
283 532 43 98-61 Console Deck Lift
284 532 43 98-23 Console Control PDL
285 532 41 63-15 Console Insert RH
286 532 41 63-17 Console Insert LH
287 817 60 04-06 Screw Hex Washead 1/4-20 x 3/8
297 532 43 74-56 Insert Reflective LH
335 532 44 82-04 Cover Lower Dash RH
336 532 44 53-09 Cover Lower Dash LH
350 532 44 51-43 Clip
- - 532 40 09-44 Kit Bumper
KEY PART
NO. NO. DESCRIPTION KEY PART
NO. NO. DESCRIPTION

8
TRACTOR - MODEL NO. YTH25K54 (96048003400), PRODUCT NO. 960 48 00-34
DRIVE
231
51
170
225
125
drive-tex_K46_pedal_39_r1
2
2
73
73 33
205
1
116
33
230
230
183
183
205
116
64
188
161
35
184
167
160
42
29
15
159
159
221
186
189
49
187
50
51
52
51
190
185
125
226
227
125
80 125
208
210
214
125
215
153
166
211
211
222
17
163
153
99
216
143 185
56
213
221
160
206
26
207
209
92 125
116
197 196

9
TRACTOR - MODEL NO. YTH25K54 (96048003400), PRODUCT NO. 960 48 00-34
DRIVE
KEY PART
NO. NO. DESCRIPTION KEY PART NO. NO. DESCRIPTION
1 – – – – – – Transaxle, TUFFTORQ K46BT
(426120) (Order parts from trans-
axle manufacturer.)
2 532 12 35-83 Key
15 819 13 13-16 Washer 13/32 x 13/16 x 16 Ga.
17 532 41 36-78 Spring, Brake
26 532 19 96-79 Spring Return Cruise
29 532 40 38-06 Rod, Brake
33 812 00 00-01 Ring E
35 532 43 54-86 Rod, Brake, Park
42 532 12 48-72 Cover, Foot Pedal
49 872 11 06-14 Bolt
50 532 19 43-27 Pulley Idler Flat
51 873 90 06-00 Lock Nut 3/8-16
52 532 19 43-26 Idler V-Groove
56 532 13 09-69 V-Belt, Drive
64 532 19 78-65 Shaft Asm. Pedal Brake Control
73 574 49 05-40 Bolt 5/16-18 x 2-1/2 Gr. 5
80 532 44 06-19 Strap Torque
92 874 76 05-20 Bolt Fin Hex 5/16-18 unc x 1.25
99 532 41 57-42 Spring Rod Bypass
116 873 90 05-00 Nut Lock Hex Flange 5/16-18
125 817 00 05-12 Screw 5/16-18 x 3/4
143 817 49 05-08 Screw Thdrol 5/16-18 x 1/2
153 532 12 47-88 Retainer Spring
159 876 02 04-12 Pin Cotter 1/8 x 3/4
160 532 16 94-84 Retainer Clip
161 532 10 57-09 Spring, Return, Clutch
163 532 40 10-34 Rod Pedal Control
166 532 42 91-64 Nut Push .625
167 532 40 52-57 Latch Brake Parking
170 532 41 34-30 Keeper Belt Centerspan
183 532 13 70-57 Spacer Split
184 532 44 14-55 Handle Parking Brake
185 872 11 06-22 Bolt 3/8 - 16 x 2-3/4 Gr. 5
186 532 19 43-21 Spacer Retainer
187 819 13 32-10 Washer
188 532 19 43-23 Link Clutch Ground Drive
189 532 19 43-17 Bellcrank Ground Drive
190 532 19 43-18 Keeper Bellcrank Ground Drive
196 817 00 06-16 Screw 3/8-16 x 1
197 532 19 58-04 Bracket Clutch Anti-Rotation
205 532 12 17-48 Washer
206 532 19 78-67 Bracket Mount Latch Cruise
207 532 19 78-68 Latch Control Cruise
208 532 19 78-69 Gear Sector Control Cruise
209 532 19 95-92 Rod Control Cruise
210 532 40 09-80 Rocker Asm. Pedal Control
211 532 12 01-83 Bearing Nylon
213 532 40 31-19 Knob Control Cruise
214 532 42 12-63 Pedal Forward
215 532 40 17-23 Pedal Reverse
216 532 19 61-31 Bracket Pulley Idler
221 532 40 31-87 Retainer Spring Clip Handle
222 879 21 20-10 Washer 21/32 x 1-1/4 x 10 Ga.
225 532 40 33-19 Keeper Belt Trans.
226 532 40 15-64 Bracket Mount Touque
227 817 49 05-12 Screw Thdrol 5/16-18 x 3/4
230 532 18 89-67 Washer
231 532 40 72-87 Idler V-Groove Pulley
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm

10
TRACTOR - MODEL NO. YTH25K54 (96048003400), PRODUCT NO. 960 48 00-34
ENGINE
1
29
SPARK ARRESTER KIT
92
45
engine-tex_Kohl-2cyl_10_r1
18
15 12
11
41
42
85
90
9
62
87
71
70
79
69
2
22 37
28
37
81
82
21 20
91