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  4. 2025
  5. 125 SX (EU)
  6. CYLINDER, CYLINDER HEAD
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Part Finder - KTM - 2025 - 125 SX (EU) - CYLINDER, CYLINDER HEAD

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Please note: that parts quantities shown on parts diagrams are the quantity of that part that exists on the bike, Not the quantity that we have in stock. Please click on the parts individually to check stock availability, thank you.
Please note: that pricing shown is individual/single per item pricing only unless otherwise indicated in part description.
Ref Part Number Description Part/Desc
14A42030035020Cylinder base gasketA42030035020Cylinder base gasket
14A42030035025Cylinder base gasketA42030035025Cylinder base gasket
14A42030035030Cylinder base gasketA42030035030Cylinder base gasket
14A42030035040Cylinder base gasketA42030035040Cylinder base gasket
14A42030035050Cylinder base gasketA42030035050Cylinder base gasket
Ref Part Number Description Part, Description # On Img # Cart $ Each Notes
1 A42030038000 cylinder + piston kpl. 125 MX A42030038000cylinder + piston kpl. 125 MX1 on diagram x1 1236.79
3 0770890200 O-ring 89X2 NBR 70 SH 0770890200O-ring 89X2 NBR 70 SH1 on diagram x1 5.54
4 0770600200 O-ring 60X2 FPM 75SH 0770600200O-ring 60X2 FPM 75SH1 on diagram x1 7.08
5 A42030060000 Combustion chamber insert A42030060000Combustion chamber insert1 on diagram x1 98.90
6 A42030006100 Cylinder head A42030006100Cylinder head1 on diagram x1 278.76
7 0603061001 CU-seal ring DIN7603-6X10X1 0603061001CU-seal ring DIN7603-6X10X12 on diagram x2 4.85
8 0025060106 HH collar screw M6x10 TX30 0025060106HH collar screw M6x10 TX301 on diagram x1 3.97
9 07702300251 O-ring 23.00X2.5 NBR 70 SH 07702300251O-ring 23.00X2.5 NBR 70 SH1 on diagram x1 4.46
10 0603070121 CU-SEAL RING DIN7603- 7,3X12X1 0603070121CU-SEAL RING DIN7603- 7,3X12X16 on diagram x6 4.85
11 50430079000 CYLINDER HEAD SCREW 50430079000CYLINDER HEAD SCREW6 on diagram x6 6.96
12 50330045000 HH COLLAR NUT M 8 WS=12 50330045000HH COLLAR NUT M 8 WS=124 on diagram x4 3.85
13 0835080326 STUD DIN 835 M8X32 0835080326STUD DIN 835 M8X324 on diagram x4 4.76
14 A42030035020 Cylinder base gasket A42030035020Cylinder base gasket0 on diagram x0 16.42
14 A42030035025 Cylinder base gasket A42030035025Cylinder base gasket0 on diagram x0 16.42
14 A42030035030 Cylinder base gasket A42030035030Cylinder base gasket0 on diagram x0 16.42
14 A42030035040 Cylinder base gasket A42030035040Cylinder base gasket0 on diagram x0 16.42
14 A42030035040 Cylinder base gasket A42030035040Cylinder base gasket0 on diagram x0 16.42
14 A42030035050 Cylinder base gasket A42030035050Cylinder base gasket0 on diagram x0 16.42
15 0402040980 Needle roll.DIN5402 NRB 4X9.8 0402040980Needle roll.DIN5402 NRB 4X9.84 on diagram x4 4.85
18 51005074000 RETAINING PLATE 51005074000RETAINING PLATE2 on diagram x2 5.43
19 0025060256 HH collar screw M6x25 TX30 0025060256HH collar screw M6x25 TX304 on diagram x4 3.97
22 0025050256 HH COLLAR SCREW M5X25 ISA30 0025050256HH COLLAR SCREW M5X25 ISA306 on diagram x6 3.97
23 A42037007000 exhaust regulation cover rh A42037007000exhaust regulation cover rh1 on diagram x1 65.51
24 A42037006000 Gasket, control lid left A42037006000Gasket, control lid left2 on diagram x2 13.92
25 0770002226200 X-ring 21.89x2.62 FKM 70 0770002226200X-ring 21.89x2.62 FKM 701 on diagram x1 5.98
26 A42037005000 exhaust regulation cover lh A42037005000exhaust regulation cover lh1 on diagram x1 77.90
28 A42030087000 Engine vent hose A42030087000Engine vent hose0 on diagram x0 47.62
29 79435047000 Water temperature sensor 79435047000Water temperature sensor1 on diagram x1 61.91
30 A45041075000 Crank case pressure sensor A45041075000Crank case pressure sensor1 on diagram x1 237.64
31 A44041087000 Pressure sensor flange A44041087000Pressure sensor flange1 on diagram x1 38.40
32 0017060206 SCREW F. PLASTIC K60X20AL SW6 0017060206SCREW F. PLASTIC K60X20AL SW61 on diagram x1 3.97
33 00050210706 VARIABLE ONE-EAR CLAMP 21,0MM 00050210706VARIABLE ONE-EAR CLAMP 21,0MM1 on diagram x1 5.98
34 A45041075050 Pressure sensor EPDM plate A45041075050Pressure sensor EPDM plate1 on diagram x1 10.63
99 A42030097000 Sealkit Cylinder MX 125 A42030097000Sealkit Cylinder MX 1250 on diagram x0 56.84

A42030038000 - cylinder + piston kpl. 125 MX

  • Reference

    1

  • Part Number

    A42030038000

  • Description

    cylinder + piston kpl. 125 MX

  • Price

    1236.79

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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0770890200 - O-ring 89X2 NBR 70 SH

  • Reference

    3

  • Part Number

    0770890200

  • Description

    O-ring 89X2 NBR 70 SH

  • Price

    5.54

  • Qty On Diagram

    1

  • Stock in Store

    2

  • Qty In Cart

  • basket not updated, press update to apply change
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0770600200 - O-ring 60X2 FPM 75SH

  • Reference

    4

  • Part Number

    0770600200

  • Description

    O-ring 60X2 FPM 75SH

  • Price

    7.08

  • Qty On Diagram

    1

  • Stock in Store

    1

  • Qty In Cart

  • basket not updated, press update to apply change
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A42030060000 - Combustion chamber insert

  • Reference

    5

  • Part Number

    A42030060000

  • Description

    Combustion chamber insert

  • Price

    98.90

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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A42030006100 - Cylinder head

  • Reference

    6

  • Part Number

    A42030006100

  • Description

    Cylinder head

  • Price

    278.76

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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0603061001 - CU-seal ring DIN7603-6X10X1

  • Reference

    7

  • Part Number

    0603061001

  • Description

    CU-seal ring DIN7603-6X10X1

  • Price

    4.85

  • Qty On Diagram

    2

  • Stock in Store

    28

  • Qty In Cart

  • basket not updated, press update to apply change
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0025060106 - HH collar screw M6x10 TX30

  • Reference

    8

  • Part Number

    0025060106

  • Description

    HH collar screw M6x10 TX30

  • Price

    3.97

  • Qty On Diagram

    1

  • Stock in Store

    4

  • Qty In Cart

  • basket not updated, press update to apply change
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07702300251 - O-ring 23.00X2.5 NBR 70 SH

  • Reference

    9

  • Part Number

    07702300251

  • Description

    O-ring 23.00X2.5 NBR 70 SH

  • Price

    4.46

  • Qty On Diagram

    1

  • Stock in Store

    3

  • Qty In Cart

  • basket not updated, press update to apply change
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0603070121 - CU-SEAL RING DIN7603- 7,3X12X1

  • Reference

    10

  • Part Number

    0603070121

  • Description

    CU-SEAL RING DIN7603- 7,3X12X1

  • Price

    4.85

  • Qty On Diagram

    6

  • Stock in Store

    18

  • Qty In Cart

  • basket not updated, press update to apply change
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50430079000 - CYLINDER HEAD SCREW

  • Reference

    11

  • Part Number

    50430079000

  • Description

    CYLINDER HEAD SCREW

  • Price

    6.96

  • Qty On Diagram

    6

  • Stock in Store

    5

  • Qty In Cart

  • basket not updated, press update to apply change
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50330045000 - HH COLLAR NUT M 8 WS=12

  • Reference

    12

  • Part Number

    50330045000

  • Description

    HH COLLAR NUT M 8 WS=12

  • Price

    3.85

  • Qty On Diagram

    4

  • Stock in Store

    4

  • Qty In Cart

  • basket not updated, press update to apply change
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0835080326 - STUD DIN 835 M8X32

  • Reference

    13

  • Part Number

    0835080326

  • Description

    STUD DIN 835 M8X32

  • Price

    4.76

  • Qty On Diagram

    4

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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A42030035020 - Cylinder base gasket

  • Reference

    14

  • Part Number

    A42030035020

  • Description

    Cylinder base gasket

  • Price

    16.42

  • Qty On Diagram

    0

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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A42030035025 - Cylinder base gasket

  • Reference

    14

  • Part Number

    A42030035025

  • Description

    Cylinder base gasket

  • Price

    16.42

  • Qty On Diagram

    0

  • Stock in Store

    1

  • Qty In Cart

  • basket not updated, press update to apply change
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A42030035030 - Cylinder base gasket

  • Reference

    14

  • Part Number

    A42030035030

  • Description

    Cylinder base gasket

  • Price

    16.42

  • Qty On Diagram

    0

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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A42030035040 - Cylinder base gasket

  • Reference

    14

  • Part Number

    A42030035040

  • Description

    Cylinder base gasket

  • Price

    16.42

  • Qty On Diagram

    0

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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A42030035040 - Cylinder base gasket

  • Reference

    14

  • Part Number

    A42030035040

  • Description

    Cylinder base gasket

  • Price

    16.42

  • Qty On Diagram

    0

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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A42030035050 - Cylinder base gasket

  • Reference

    14

  • Part Number

    A42030035050

  • Description

    Cylinder base gasket

  • Price

    16.42

  • Qty On Diagram

    0

  • Stock in Store

    1

  • Qty In Cart

  • basket not updated, press update to apply change
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0402040980 - Needle roll.DIN5402 NRB 4X9.8

  • Reference

    15

  • Part Number

    0402040980

  • Description

    Needle roll.DIN5402 NRB 4X9.8

  • Price

    4.85

  • Qty On Diagram

    4

  • Stock in Store

    3

  • Qty In Cart

  • basket not updated, press update to apply change
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51005074000 - RETAINING PLATE

  • Reference

    18

  • Part Number

    51005074000

  • Description

    RETAINING PLATE

  • Price

    5.43

  • Qty On Diagram

    2

  • Stock in Store

    9

  • Qty In Cart

  • basket not updated, press update to apply change
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0025060256 - HH collar screw M6x25 TX30

  • Reference

    19

  • Part Number

    0025060256

  • Description

    HH collar screw M6x25 TX30

  • Price

    3.97

  • Qty On Diagram

    4

  • Stock in Store

    4

  • Qty In Cart

  • basket not updated, press update to apply change
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0025050256 - HH COLLAR SCREW M5X25 ISA30

  • Reference

    22

  • Part Number

    0025050256

  • Description

    HH COLLAR SCREW M5X25 ISA30

  • Price

    3.97

  • Qty On Diagram

    6

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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A42037007000 - exhaust regulation cover rh

  • Reference

    23

  • Part Number

    A42037007000

  • Description

    exhaust regulation cover rh

  • Price

    65.51

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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A42037006000 - Gasket, control lid left

  • Reference

    24

  • Part Number

    A42037006000

  • Description

    Gasket, control lid left

  • Price

    13.92

  • Qty On Diagram

    2

  • Stock in Store

    7

  • Qty In Cart

  • basket not updated, press update to apply change
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0770002226200 - X-ring 21.89x2.62 FKM 70

  • Reference

    25

  • Part Number

    0770002226200

  • Description

    X-ring 21.89x2.62 FKM 70

  • Price

    5.98

  • Qty On Diagram

    1

  • Stock in Store

    4

  • Qty In Cart

  • basket not updated, press update to apply change
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A42037005000 - exhaust regulation cover lh

  • Reference

    26

  • Part Number

    A42037005000

  • Description

    exhaust regulation cover lh

  • Price

    77.90

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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A42030087000 - Engine vent hose

  • Reference

    28

  • Part Number

    A42030087000

  • Description

    Engine vent hose

  • Price

    47.62

  • Qty On Diagram

    0

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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79435047000 - Water temperature sensor

  • Reference

    29

  • Part Number

    79435047000

  • Description

    Water temperature sensor

  • Price

    61.91

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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A45041075000 - Crank case pressure sensor

  • Reference

    30

  • Part Number

    A45041075000

  • Description

    Crank case pressure sensor

  • Price

    237.64

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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A44041087000 - Pressure sensor flange

  • Reference

    31

  • Part Number

    A44041087000

  • Description

    Pressure sensor flange

  • Price

    38.40

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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0017060206 - SCREW F. PLASTIC K60X20AL SW6

  • Reference

    32

  • Part Number

    0017060206

  • Description

    SCREW F. PLASTIC K60X20AL SW6

  • Price

    3.97

  • Qty On Diagram

    1

  • Stock in Store

    20

  • Qty In Cart

  • basket not updated, press update to apply change
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00050210706 - VARIABLE ONE-EAR CLAMP 21,0MM

  • Reference

    33

  • Part Number

    00050210706

  • Description

    VARIABLE ONE-EAR CLAMP 21,0MM

  • Price

    5.98

  • Qty On Diagram

    1

  • Stock in Store

    2

  • Qty In Cart

  • basket not updated, press update to apply change
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A45041075050 - Pressure sensor EPDM plate

  • Reference

    34

  • Part Number

    A45041075050

  • Description

    Pressure sensor EPDM plate

  • Price

    10.63

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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A42030097000 - Sealkit Cylinder MX 125

  • Reference

    99

  • Part Number

    A42030097000

  • Description

    Sealkit Cylinder MX 125

  • Price

    56.84

  • Qty On Diagram

    0

  • Stock in Store

    1

  • Qty In Cart

  • basket not updated, press update to apply change
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