Login
 
Cart 0 0.00
Search for Part

Online Part finder

Our part finder will allow you to look up the part(s) you need.

Makes
Years
Models
Diagrams

Part Finder - YAMAHA - 1991 - FZR1000 - VALVE

Search

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
141WG-12153-21LIFTER, VALVE1WG-12153-21LIFTER, VALVE
141WG-12153-09LIFTER WHITE/WHITE1WG-12153-09LIFTER WHITE/WHITE
Ref Part Number Description Part/Desc
132NK-12153-02LIFTER BLACK/PURPLE2NK-12153-02LIFTER BLACK/PURPLE
132NK-12153-09LIFTER WHITE/WHITE2NK-12153-09LIFTER WHITE/WHITE
Ref Part Number Description Part/Desc
121HX-12168-00PAD, ADJUSTING 2 (1.20)1HX-12168-00PAD, ADJUSTING 2 (1.20)
121HX-12168-20PAD, ADJUSTING 2 (1.25)1HX-12168-20PAD, ADJUSTING 2 (1.25)
121HX-12168-40PAD, ADJUSTING 2 (1.30)1HX-12168-40PAD, ADJUSTING 2 (1.30)
121HX-12168-60PAD, ADJUSTING 2 (1.35)1HX-12168-60PAD, ADJUSTING 2 (1.35)
121HX-12168-80PAD, ADJUSTING 2 (1.40)1HX-12168-80PAD, ADJUSTING 2 (1.40)
121HX-12168-A0PAD, ADJUSTING 2 (1.45)1HX-12168-A0PAD, ADJUSTING 2 (1.45)
121HX-12168-F0PAD, ADJUSTING 2 (1.50)1HX-12168-F0PAD, ADJUSTING 2 (1.50)
121HX-12168-H1PAD, ADJUSTING 2 (1.55)1HX-12168-H1PAD, ADJUSTING 2 (1.55)
121HX-12168-K1PAD, ADJUSTING 2 (1.60)1HX-12168-K1PAD, ADJUSTING 2 (1.60)
121HX-12168-M1PAD, ADJUSTING 2 (1.65)1HX-12168-M1PAD, ADJUSTING 2 (1.65)
121HX-12168-R1PAD, ADJUSTING 2 (1.70)1HX-12168-R1PAD, ADJUSTING 2 (1.70)
121HX-12168-U1PAD, ADJUSTING 2 (1.75)1HX-12168-U1PAD, ADJUSTING 2 (1.75)
121HX-12168-W1PAD, ADJUSTING 2 (1.80)1HX-12168-W1PAD, ADJUSTING 2 (1.80)
121HX-12168-Y1PAD, ADJUSTING 2 (1.85)1HX-12168-Y1PAD, ADJUSTING 2 (1.85)
121HX-12169-11PAD, ADJUSTING 2 (1.90)1HX-12169-11PAD, ADJUSTING 2 (1.90)
121HX-12169-31PAD, ADJUSTING 2 (1.95)1HX-12169-31PAD, ADJUSTING 2 (1.95)
121HX-12169-50PAD, ADJUSTING 2 (2.00)1HX-12169-50PAD, ADJUSTING 2 (2.00)
121HX-12169-70PAD, ADJUSTING 2 (2.05)1HX-12169-70PAD, ADJUSTING 2 (2.05)
121HX-12169-90PAD, ADJUSTING 2 (2.10)1HX-12169-90PAD, ADJUSTING 2 (2.10)
121HX-12169-E0PAD, ADJUSTING 2 (2.15)1HX-12169-E0PAD, ADJUSTING 2 (2.15)
121HX-12169-G0PAD, ADJUSTING 2 (2.20)1HX-12169-G0PAD, ADJUSTING 2 (2.20)
121HX-12169-J0PAD, ADJUSTING 2 (2.25)1HX-12169-J0PAD, ADJUSTING 2 (2.25)
121HX-12169-L0PAD, ADJUSTING 2 (2.30)1HX-12169-L0PAD, ADJUSTING 2 (2.30)
121HX-12169-N0PAD, ADJUSTING 2 (2.35)1HX-12169-N0PAD, ADJUSTING 2 (2.35)
121HX-12169-T0PAD, ADJUSTING 2 (2.40)1HX-12169-T0PAD, ADJUSTING 2 (2.40)
Ref Part Number Description Part, Description # On Img # Cart $ Each Notes
1 3GM-12111-01 VALVE, INTAKE 3GM-12111-01VALVE, INTAKE4 on diagram x4 25.07
2 3GM-12112-01 VALVE, INTAKE 2 3GM-12112-01VALVE, INTAKE 28 on diagram x8 27.01
3 4SV-12121-00 VALVE, EXHAUST 4SV-12121-00VALVE, EXHAUST8 on diagram x8 55.23
4 3GM-12116-00 SEAT, VALVE SPRING 3GM-12116-00SEAT, VALVE SPRING12 on diagram x12 6.17
5 3GM-12126-00 SEAT, VALVE SPRING 2 3GM-12126-00SEAT, VALVE SPRING 21 on diagram x1 4.79
6 3GM-12113-00 SPRING, VALVE INNER 3GM-12113-00SPRING, VALVE INNER12 on diagram x12 11.45
7 3GM-12114-00 SPRING, VALVE OUTER NLA 09/21 3GM-12114-00SPRING, VALVE OUTER NLA 09/218 on diagram x8 13.16
8 3GM-12117-00 RETAINER, VALVE SPRING 3GM-12117-00RETAINER, VALVE SPRING12 on diagram x12 9.97
9 1WG-12117-00 RETAINER, VALVE SPRING 1WG-12117-00RETAINER, VALVE SPRING1 on diagram x1 14.44
10 1WG-12118-00 COTTER, VALVE 1WG-12118-00COTTER, VALVE40 on diagram x40 2.66
11 4SV-12119-00 SEAL, VALVE STEM 4SV-12119-00SEAL, VALVE STEM20 on diagram x20 8.97
12 1HX-12168-00 PAD, ADJUSTING 2 (1.20) 1HX-12168-00PAD, ADJUSTING 2 (1.20)20 on diagram x20 15.61
12 1HX-12168-20 PAD, ADJUSTING 2 (1.25) 1HX-12168-20PAD, ADJUSTING 2 (1.25)20 on diagram x20 15.61
12 1HX-12168-40 PAD, ADJUSTING 2 (1.30) 1HX-12168-40PAD, ADJUSTING 2 (1.30)20 on diagram x20 15.61
12 1HX-12168-60 PAD, ADJUSTING 2 (1.35) 1HX-12168-60PAD, ADJUSTING 2 (1.35)20 on diagram x20 15.61
12 1HX-12168-80 PAD, ADJUSTING 2 (1.40) 1HX-12168-80PAD, ADJUSTING 2 (1.40)20 on diagram x20 15.61
12 1HX-12168-A0 PAD, ADJUSTING 2 (1.45) 1HX-12168-A0PAD, ADJUSTING 2 (1.45)20 on diagram x20 15.61
12 1HX-12168-F0 PAD, ADJUSTING 2 (1.50) 1HX-12168-F0PAD, ADJUSTING 2 (1.50)20 on diagram x20 15.61
12 1HX-12168-H1 PAD, ADJUSTING 2 (1.55) 1HX-12168-H1PAD, ADJUSTING 2 (1.55)20 on diagram x20 15.61
12 1HX-12168-K1 PAD, ADJUSTING 2 (1.60) 1HX-12168-K1PAD, ADJUSTING 2 (1.60)20 on diagram x20 15.61
12 1HX-12168-M1 PAD, ADJUSTING 2 (1.65) 1HX-12168-M1PAD, ADJUSTING 2 (1.65)20 on diagram x20 15.61
12 1HX-12168-R1 PAD, ADJUSTING 2 (1.70) 1HX-12168-R1PAD, ADJUSTING 2 (1.70)20 on diagram x20 15.61
12 1HX-12168-U1 PAD, ADJUSTING 2 (1.75) 1HX-12168-U1PAD, ADJUSTING 2 (1.75)20 on diagram x20 15.61
12 1HX-12168-W1 PAD, ADJUSTING 2 (1.80) 1HX-12168-W1PAD, ADJUSTING 2 (1.80)20 on diagram x20 15.61
12 1HX-12168-Y1 PAD, ADJUSTING 2 (1.85) 1HX-12168-Y1PAD, ADJUSTING 2 (1.85)20 on diagram x20 15.61
12 1HX-12169-11 PAD, ADJUSTING 2 (1.90) 1HX-12169-11PAD, ADJUSTING 2 (1.90)20 on diagram x20 15.61
12 1HX-12169-31 PAD, ADJUSTING 2 (1.95) 1HX-12169-31PAD, ADJUSTING 2 (1.95)20 on diagram x20 15.61
12 1HX-12169-50 PAD, ADJUSTING 2 (2.00) 1HX-12169-50PAD, ADJUSTING 2 (2.00)20 on diagram x20 15.61
12 1HX-12169-70 PAD, ADJUSTING 2 (2.05) 1HX-12169-70PAD, ADJUSTING 2 (2.05)20 on diagram x20 15.61
12 1HX-12169-90 PAD, ADJUSTING 2 (2.10) 1HX-12169-90PAD, ADJUSTING 2 (2.10)20 on diagram x20 15.61
12 1HX-12169-E0 PAD, ADJUSTING 2 (2.15) 1HX-12169-E0PAD, ADJUSTING 2 (2.15)20 on diagram x20 15.61
12 1HX-12169-G0 PAD, ADJUSTING 2 (2.20) 1HX-12169-G0PAD, ADJUSTING 2 (2.20)20 on diagram x20 15.61
12 1HX-12169-J0 PAD, ADJUSTING 2 (2.25) 1HX-12169-J0PAD, ADJUSTING 2 (2.25)20 on diagram x20 15.61
12 1HX-12169-L0 PAD, ADJUSTING 2 (2.30) 1HX-12169-L0PAD, ADJUSTING 2 (2.30)20 on diagram x20 15.61
12 1HX-12169-N0 PAD, ADJUSTING 2 (2.35) 1HX-12169-N0PAD, ADJUSTING 2 (2.35)20 on diagram x20 15.61
12 1HX-12169-T0 PAD, ADJUSTING 2 (2.40) 1HX-12169-T0PAD, ADJUSTING 2 (2.40)20 on diagram x20 15.61
13 2NK-12153-02 LIFTER BLACK/PURPLE 2NK-12153-02LIFTER BLACK/PURPLE12 on diagram x12 61.39
13 2NK-12153-09 LIFTER WHITE/WHITE 2NK-12153-09LIFTER WHITE/WHITE12 on diagram x12 168.36
14 1WG-12153-21 LIFTER, VALVE 1WG-12153-21LIFTER, VALVE8 on diagram x8 109.07
14 1WG-12153-09 LIFTER WHITE/WHITE 1WG-12153-09LIFTER WHITE/WHITE8 on diagram x8 114.15

3GM-12111-01 - VALVE, INTAKE

  • Reference

    1
  • Part Number

    3GM-12111-01
  • Description

    VALVE, INTAKE
  • Price

    25.07
  • Qty On Diagram

    4
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

3GM-12112-01 - VALVE, INTAKE 2

  • Reference

    2
  • Part Number

    3GM-12112-01
  • Description

    VALVE, INTAKE 2
  • Price

    27.01
  • Qty On Diagram

    8
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

4SV-12121-00 - VALVE, EXHAUST

  • Reference

    3
  • Part Number

    4SV-12121-00
  • Description

    VALVE, EXHAUST
  • Price

    55.23
  • Qty On Diagram

    8
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

3GM-12116-00 - SEAT, VALVE SPRING

  • Reference

    4
  • Part Number

    3GM-12116-00
  • Description

    SEAT, VALVE SPRING
  • Price

    6.17
  • Qty On Diagram

    12
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

3GM-12126-00 - SEAT, VALVE SPRING 2

  • Reference

    5
  • Part Number

    3GM-12126-00
  • Description

    SEAT, VALVE SPRING 2
  • Price

    4.79
  • Qty On Diagram

    1
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

3GM-12113-00 - SPRING, VALVE INNER

  • Reference

    6
  • Part Number

    3GM-12113-00
  • Description

    SPRING, VALVE INNER
  • Price

    11.45
  • Qty On Diagram

    12
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

3GM-12114-00 - SPRING, VALVE OUTER NLA 09/21

  • Reference

    7
  • Part Number

    3GM-12114-00
  • Description

    SPRING, VALVE OUTER NLA 09/21
  • Price

    13.16
  • Qty On Diagram

    8
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

3GM-12117-00 - RETAINER, VALVE SPRING

  • Reference

    8
  • Part Number

    3GM-12117-00
  • Description

    RETAINER, VALVE SPRING
  • Price

    9.97
  • Qty On Diagram

    12
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

1WG-12117-00 - RETAINER, VALVE SPRING

  • Reference

    9
  • Part Number

    1WG-12117-00
  • Description

    RETAINER, VALVE SPRING
  • Price

    14.44
  • Qty On Diagram

    1
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

1WG-12118-00 - COTTER, VALVE

  • Reference

    10
  • Part Number

    1WG-12118-00
  • Description

    COTTER, VALVE
  • Price

    2.66
  • Qty On Diagram

    40
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

4SV-12119-00 - SEAL, VALVE STEM

  • Reference

    11
  • Part Number

    4SV-12119-00
  • Description

    SEAL, VALVE STEM
  • Price

    8.97
  • Qty On Diagram

    20
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

1HX-12168-00 - PAD, ADJUSTING 2 (1.20)

  • Reference

    12
  • Part Number

    1HX-12168-00
  • Description

    PAD, ADJUSTING 2 (1.20)
  • Price

    15.61
  • Qty On Diagram

    20
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

1HX-12168-20 - PAD, ADJUSTING 2 (1.25)

  • Reference

    12
  • Part Number

    1HX-12168-20
  • Description

    PAD, ADJUSTING 2 (1.25)
  • Price

    15.61
  • Qty On Diagram

    20
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

1HX-12168-40 - PAD, ADJUSTING 2 (1.30)

  • Reference

    12
  • Part Number

    1HX-12168-40
  • Description

    PAD, ADJUSTING 2 (1.30)
  • Price

    15.61
  • Qty On Diagram

    20
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

1HX-12168-60 - PAD, ADJUSTING 2 (1.35)

  • Reference

    12
  • Part Number

    1HX-12168-60
  • Description

    PAD, ADJUSTING 2 (1.35)
  • Price

    15.61
  • Qty On Diagram

    20
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

1HX-12168-80 - PAD, ADJUSTING 2 (1.40)

  • Reference

    12
  • Part Number

    1HX-12168-80
  • Description

    PAD, ADJUSTING 2 (1.40)
  • Price

    15.61
  • Qty On Diagram

    20
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

1HX-12168-A0 - PAD, ADJUSTING 2 (1.45)

  • Reference

    12
  • Part Number

    1HX-12168-A0
  • Description

    PAD, ADJUSTING 2 (1.45)
  • Price

    15.61
  • Qty On Diagram

    20
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

1HX-12168-F0 - PAD, ADJUSTING 2 (1.50)

  • Reference

    12
  • Part Number

    1HX-12168-F0
  • Description

    PAD, ADJUSTING 2 (1.50)
  • Price

    15.61
  • Qty On Diagram

    20
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

1HX-12168-H1 - PAD, ADJUSTING 2 (1.55)

  • Reference

    12
  • Part Number

    1HX-12168-H1
  • Description

    PAD, ADJUSTING 2 (1.55)
  • Price

    15.61
  • Qty On Diagram

    20
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

1HX-12168-K1 - PAD, ADJUSTING 2 (1.60)

  • Reference

    12
  • Part Number

    1HX-12168-K1
  • Description

    PAD, ADJUSTING 2 (1.60)
  • Price

    15.61
  • Qty On Diagram

    20
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

1HX-12168-M1 - PAD, ADJUSTING 2 (1.65)

  • Reference

    12
  • Part Number

    1HX-12168-M1
  • Description

    PAD, ADJUSTING 2 (1.65)
  • Price

    15.61
  • Qty On Diagram

    20
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

1HX-12168-R1 - PAD, ADJUSTING 2 (1.70)

  • Reference

    12
  • Part Number

    1HX-12168-R1
  • Description

    PAD, ADJUSTING 2 (1.70)
  • Price

    15.61
  • Qty On Diagram

    20
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

1HX-12168-U1 - PAD, ADJUSTING 2 (1.75)

  • Reference

    12
  • Part Number

    1HX-12168-U1
  • Description

    PAD, ADJUSTING 2 (1.75)
  • Price

    15.61
  • Qty On Diagram

    20
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

1HX-12168-W1 - PAD, ADJUSTING 2 (1.80)

  • Reference

    12
  • Part Number

    1HX-12168-W1
  • Description

    PAD, ADJUSTING 2 (1.80)
  • Price

    15.61
  • Qty On Diagram

    20
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

1HX-12168-Y1 - PAD, ADJUSTING 2 (1.85)

  • Reference

    12
  • Part Number

    1HX-12168-Y1
  • Description

    PAD, ADJUSTING 2 (1.85)
  • Price

    15.61
  • Qty On Diagram

    20
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

1HX-12169-11 - PAD, ADJUSTING 2 (1.90)

  • Reference

    12
  • Part Number

    1HX-12169-11
  • Description

    PAD, ADJUSTING 2 (1.90)
  • Price

    15.61
  • Qty On Diagram

    20
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

1HX-12169-31 - PAD, ADJUSTING 2 (1.95)

  • Reference

    12
  • Part Number

    1HX-12169-31
  • Description

    PAD, ADJUSTING 2 (1.95)
  • Price

    15.61
  • Qty On Diagram

    20
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

1HX-12169-50 - PAD, ADJUSTING 2 (2.00)

  • Reference

    12
  • Part Number

    1HX-12169-50
  • Description

    PAD, ADJUSTING 2 (2.00)
  • Price

    15.61
  • Qty On Diagram

    20
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

1HX-12169-70 - PAD, ADJUSTING 2 (2.05)

  • Reference

    12
  • Part Number

    1HX-12169-70
  • Description

    PAD, ADJUSTING 2 (2.05)
  • Price

    15.61
  • Qty On Diagram

    20
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

1HX-12169-90 - PAD, ADJUSTING 2 (2.10)

  • Reference

    12
  • Part Number

    1HX-12169-90
  • Description

    PAD, ADJUSTING 2 (2.10)
  • Price

    15.61
  • Qty On Diagram

    20
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

1HX-12169-E0 - PAD, ADJUSTING 2 (2.15)

  • Reference

    12
  • Part Number

    1HX-12169-E0
  • Description

    PAD, ADJUSTING 2 (2.15)
  • Price

    15.61
  • Qty On Diagram

    20
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

1HX-12169-G0 - PAD, ADJUSTING 2 (2.20)

  • Reference

    12
  • Part Number

    1HX-12169-G0
  • Description

    PAD, ADJUSTING 2 (2.20)
  • Price

    15.61
  • Qty On Diagram

    20
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

1HX-12169-J0 - PAD, ADJUSTING 2 (2.25)

  • Reference

    12
  • Part Number

    1HX-12169-J0
  • Description

    PAD, ADJUSTING 2 (2.25)
  • Price

    15.61
  • Qty On Diagram

    20
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

1HX-12169-L0 - PAD, ADJUSTING 2 (2.30)

  • Reference

    12
  • Part Number

    1HX-12169-L0
  • Description

    PAD, ADJUSTING 2 (2.30)
  • Price

    15.61
  • Qty On Diagram

    20
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

1HX-12169-N0 - PAD, ADJUSTING 2 (2.35)

  • Reference

    12
  • Part Number

    1HX-12169-N0
  • Description

    PAD, ADJUSTING 2 (2.35)
  • Price

    15.61
  • Qty On Diagram

    20
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

1HX-12169-T0 - PAD, ADJUSTING 2 (2.40)

  • Reference

    12
  • Part Number

    1HX-12169-T0
  • Description

    PAD, ADJUSTING 2 (2.40)
  • Price

    15.61
  • Qty On Diagram

    20
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

2NK-12153-02 - LIFTER BLACK/PURPLE

  • Reference

    13
  • Part Number

    2NK-12153-02
  • Description

    LIFTER BLACK/PURPLE
  • Price

    61.39
  • Qty On Diagram

    12
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

2NK-12153-09 - LIFTER WHITE/WHITE

  • Reference

    13
  • Part Number

    2NK-12153-09
  • Description

    LIFTER WHITE/WHITE
  • Price

    168.36
  • Qty On Diagram

    12
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

1WG-12153-21 - LIFTER, VALVE

  • Reference

    14
  • Part Number

    1WG-12153-21
  • Description

    LIFTER, VALVE
  • Price

    109.07
  • Qty On Diagram

    8
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change

1WG-12153-09 - LIFTER WHITE/WHITE

  • Reference

    14
  • Part Number

    1WG-12153-09
  • Description

    LIFTER WHITE/WHITE
  • Price

    114.15
  • Qty On Diagram

    8
  • Stock in Store

    No Stock
  • Qty In Cart

  • basket not updated, press update to apply change