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  3. YAMAHA
  4. 1999
  5. YZ125
  6. CYLINDER HEAD
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Part Finder - YAMAHA - 1999 - YZ125 - 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, Description # On Img # Cart $ Each Notes
1 4JY-11111-01 HEAD, CYLINDER 1 NLA 10/21 4JY-11111-01HEAD, CYLINDER 1 NLA 10/211 on diagram x1 561.35
2 90116-08394 BOLT, STUD 8 X 50MM 90116-08394BOLT, STUD 8 X 50MM5 on diagram x5 8.15
3 90176-08026 NUT, CROWN 90176-08026NUT, CROWN5 on diagram x5 8.95
4 90201-08087 WASHER, PLATE 90201-08087WASHER, PLATE5 on diagram x5 2.85
5 93210-63442 O-RING 93210-63442O-RING1 on diagram x1 8.50
6 93210-90785 O-RING 93210-90785O-RING1 on diagram x1 14.35
7 5ET-11311-11 CYLINDER 1 5ET-11311-11CYLINDER 11 on diagram x1 627.00
8 5DH-11351-01 GASKET,CYLINDER 0.65MM THICK 5DH-11351-01GASKET,CYLINDER 0.65MM THICK1 on diagram x1 26.30
9 90116-08318 BOLT, STUD 90116-08318BOLT, STUD2 on diagram x2 7.30
10 90116-08392 BOLT, STUD (5X4) 08X60 90116-08392BOLT, STUD (5X4) 08X602 on diagram x2 8.45
11 99530-10114 PIN, DOWEL 99530-10114PIN, DOWEL2 on diagram x2 3.65
12 90179-08491 NUT 90179-08491NUT4 on diagram x4 2.80
13 94702-00324 PLUG, SPARK (NGK BR9EG) 94702-00324PLUG, SPARK (NGK BR9EG)1 on diagram x1 37.95
13 94702-00324 PLUG, SPARK (NGK BR9EG) 94702-00324PLUG, SPARK (NGK BR9EG)0 on diagram x0 37.95
14 5ET-1131D-00 VALVE ASSY 5ET-1131D-00VALVE ASSY1 on diagram x1 497.95
15 5ET-1132D-00 VALVE ASSY 2 NLA 2/18 5ET-1132D-00VALVE ASSY 2 NLA 2/181 on diagram x1 497.95
16 90149-05001 SCREW 90149-05001SCREW3 on diagram x3 1.35
17 90201-057H5 WASHER, PLATE 90201-057H5WASHER, PLATE3 on diagram x3 2.10
18 4SS-1131V-00 NLA 5/18 SHAFT 1 4SS-1131V-00NLA 5/18 SHAFT 11 on diagram x1 101.90
19 4SS-11832-00 LEVER, LINK 4SS-11832-00LEVER, LINK1 on diagram x1 72.30
20 91317-04008 BOLT 91317-04008BOLT1 on diagram x1 2.30
21 93104-08040 OIL SEAL 93104-08040OIL SEAL1 on diagram x1 13.20
22 4SS-1131M-01 COVER 4SS-1131M-01COVER1 on diagram x1 96.25
23 4JY-11166-00 PIPE, BREATHER 1 4JY-11166-00PIPE, BREATHER 11 on diagram x1 13.40
24 90467-14117 CLIP 90467-14117CLIP1 on diagram x1 1.35
25 4JY-11354-02 GASKET 4JY-11354-02GASKET1 on diagram x1 7.70
26 98907-05016 SCREW, BIND 98907-05016SCREW, BIND4 on diagram x4 1.30
27 90508-161B3 5/18 SPRING, TORSION(4XM 90508-161B35/18 SPRING, TORSION(4XM2 on diagram x2 6.95
28 90387-08785 COLLAR 90387-08785COLLAR2 on diagram x2 6.30
29 4JY-11991-01 HOUSING 1 4JY-11991-01HOUSING 11 on diagram x1 173.75
30 4JY-11993-01 GASKET 4JY-11993-01GASKET1 on diagram x1 9.90
31 97017-05016 YZ450FR BOLT DECOMP LEVER 97017-05016YZ450FR BOLT DECOMP LEVER4 on diagram x4 1.85
32 92907-05600 WASHER, PLATE 92907-05600WASHER, PLATE4 on diagram x4 1.10
33 4JY-11995-00 SEAL, HOUSING 4JY-11995-00SEAL, HOUSING1 on diagram x1 43.20

4JY-11111-01 - HEAD, CYLINDER 1 NLA 10/21

  • Reference

    1

  • Part Number

    4JY-11111-01

  • Description

    HEAD, CYLINDER 1 NLA 10/21

  • Price

    561.35

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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90116-08394 - BOLT, STUD 8 X 50MM

  • Reference

    2

  • Part Number

    90116-08394

  • Description

    BOLT, STUD 8 X 50MM

  • Price

    8.15

  • Qty On Diagram

    5

  • Stock in Store

    No Stock

  • Qty In Cart

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90176-08026 - NUT, CROWN

  • Reference

    3

  • Part Number

    90176-08026

  • Description

    NUT, CROWN

  • Price

    8.95

  • Qty On Diagram

    5

  • Stock in Store

    No Stock

  • Qty In Cart

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90201-08087 - WASHER, PLATE

  • Reference

    4

  • Part Number

    90201-08087

  • Description

    WASHER, PLATE

  • Price

    2.85

  • Qty On Diagram

    5

  • Stock in Store

    No Stock

  • Qty In Cart

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93210-63442 - O-RING

  • Reference

    5

  • Part Number

    93210-63442

  • Description

    O-RING

  • Price

    8.50

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

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93210-90785 - O-RING

  • Reference

    6

  • Part Number

    93210-90785

  • Description

    O-RING

  • Price

    14.35

  • Qty On Diagram

    1

  • Stock in Store

    2

  • Qty In Cart

  • basket not updated, press update to apply change
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5ET-11311-11 - CYLINDER 1

  • Reference

    7

  • Part Number

    5ET-11311-11

  • Description

    CYLINDER 1

  • Price

    627.00

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

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5DH-11351-01 - GASKET,CYLINDER 0.65MM THICK

  • Reference

    8

  • Part Number

    5DH-11351-01

  • Description

    GASKET,CYLINDER 0.65MM THICK

  • Price

    26.30

  • Qty On Diagram

    1

  • Stock in Store

    1

  • Qty In Cart

  • basket not updated, press update to apply change
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90116-08318 - BOLT, STUD

  • Reference

    9

  • Part Number

    90116-08318

  • Description

    BOLT, STUD

  • Price

    7.30

  • Qty On Diagram

    2

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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90116-08392 - BOLT, STUD (5X4) 08X60

  • Reference

    10

  • Part Number

    90116-08392

  • Description

    BOLT, STUD (5X4) 08X60

  • Price

    8.45

  • Qty On Diagram

    2

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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99530-10114 - PIN, DOWEL

  • Reference

    11

  • Part Number

    99530-10114

  • Description

    PIN, DOWEL

  • Price

    3.65

  • Qty On Diagram

    2

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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90179-08491 - NUT

  • Reference

    12

  • Part Number

    90179-08491

  • Description

    NUT

  • Price

    2.80

  • Qty On Diagram

    4

  • Stock in Store

    7

  • Qty In Cart

  • basket not updated, press update to apply change
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94702-00324 - PLUG, SPARK (NGK BR9EG)

  • Reference

    13

  • Part Number

    94702-00324

  • Description

    PLUG, SPARK (NGK BR9EG)

  • Price

    37.95

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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94702-00324 - PLUG, SPARK (NGK BR9EG)

  • Reference

    13

  • Part Number

    94702-00324

  • Description

    PLUG, SPARK (NGK BR9EG)

  • Price

    37.95

  • Qty On Diagram

    0

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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5ET-1131D-00 - VALVE ASSY

  • Reference

    14

  • Part Number

    5ET-1131D-00

  • Description

    VALVE ASSY

  • Price

    497.95

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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5ET-1132D-00 - VALVE ASSY 2 NLA 2/18

  • Reference

    15

  • Part Number

    5ET-1132D-00

  • Description

    VALVE ASSY 2 NLA 2/18

  • Price

    497.95

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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90149-05001 - SCREW

  • Reference

    16

  • Part Number

    90149-05001

  • Description

    SCREW

  • Price

    1.35

  • Qty On Diagram

    3

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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90201-057H5 - WASHER, PLATE

  • Reference

    17

  • Part Number

    90201-057H5

  • Description

    WASHER, PLATE

  • Price

    2.10

  • Qty On Diagram

    3

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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4SS-1131V-00 - NLA 5/18 SHAFT 1

  • Reference

    18

  • Part Number

    4SS-1131V-00

  • Description

    NLA 5/18 SHAFT 1

  • Price

    101.90

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

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4SS-11832-00 - LEVER, LINK

  • Reference

    19

  • Part Number

    4SS-11832-00

  • Description

    LEVER, LINK

  • Price

    72.30

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

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91317-04008 - BOLT

  • Reference

    20

  • Part Number

    91317-04008

  • Description

    BOLT

  • Price

    2.30

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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93104-08040 - OIL SEAL

  • Reference

    21

  • Part Number

    93104-08040

  • Description

    OIL SEAL

  • Price

    13.20

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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4SS-1131M-01 - COVER

  • Reference

    22

  • Part Number

    4SS-1131M-01

  • Description

    COVER

  • Price

    96.25

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

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4JY-11166-00 - PIPE, BREATHER 1

  • Reference

    23

  • Part Number

    4JY-11166-00

  • Description

    PIPE, BREATHER 1

  • Price

    13.40

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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90467-14117 - CLIP

  • Reference

    24

  • Part Number

    90467-14117

  • Description

    CLIP

  • Price

    1.35

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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4JY-11354-02 - GASKET

  • Reference

    25

  • Part Number

    4JY-11354-02

  • Description

    GASKET

  • Price

    7.70

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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98907-05016 - SCREW, BIND

  • Reference

    26

  • Part Number

    98907-05016

  • Description

    SCREW, BIND

  • Price

    1.30

  • Qty On Diagram

    4

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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90508-161B3 - 5/18 SPRING, TORSION(4XM

  • Reference

    27

  • Part Number

    90508-161B3

  • Description

    5/18 SPRING, TORSION(4XM

  • Price

    6.95

  • Qty On Diagram

    2

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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90387-08785 - COLLAR

  • Reference

    28

  • Part Number

    90387-08785

  • Description

    COLLAR

  • Price

    6.30

  • Qty On Diagram

    2

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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4JY-11991-01 - HOUSING 1

  • Reference

    29

  • Part Number

    4JY-11991-01

  • Description

    HOUSING 1

  • Price

    173.75

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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4JY-11993-01 - GASKET

  • Reference

    30

  • Part Number

    4JY-11993-01

  • Description

    GASKET

  • Price

    9.90

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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97017-05016 - YZ450FR BOLT DECOMP LEVER

  • Reference

    31

  • Part Number

    97017-05016

  • Description

    YZ450FR BOLT DECOMP LEVER

  • Price

    1.85

  • Qty On Diagram

    4

  • Stock in Store

    No Stock

  • Qty In Cart

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92907-05600 - WASHER, PLATE

  • Reference

    32

  • Part Number

    92907-05600

  • Description

    WASHER, PLATE

  • Price

    1.10

  • Qty On Diagram

    4

  • Stock in Store

    1

  • Qty In Cart

  • basket not updated, press update to apply change
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4JY-11995-00 - SEAL, HOUSING

  • Reference

    33

  • Part Number

    4JY-11995-00

  • Description

    SEAL, HOUSING

  • Price

    43.20

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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