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Master Cylinder Kits

Motorcycle master cylinder repair kits provide the components needed to restore braking performance and hydraulic system reliability. Over time, seals and internal components can wear, leading to reduced braking efficiency, fluid leaks and poor lever feel.

At OnlineMoto Parts, we stock a wide range of motorcycle master cylinder kits for Japanese and European motorcycles. Our range includes repair kits for front and rear brake master cylinders, helping restore smooth operation and reliable braking performance.

Whether you're carrying out a brake overhaul or repairing a leaking master cylinder, our quality rebuild kits provide an economical alternative to complete unit replacement. Use our vehicle finder to locate the correct kit for your motorcycle.

  • Front Brake Master Cylinder Repair Kit Fits Kawasaki ZX 4 1988
    £23.97 - £23.97
    £23.97
    £23.97 - £23.97
    £23.97

    Front Brake Master Cylinder Repair Kit Fits Kawasaki ZX 4 1988

    Honda, Kawasaki, Suzuki, Yamaha OD=14.00mm Length=41.60mm

    £23.97 - £23.97
    £23.97
    £23.97 - £23.97
    £23.97
  • Rear Brake Master Cylinder Repair Kit Fits Honda RVF 400 1994-1996 – motorcycle part available from UK stock
    £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97

    Rear Brake Master Cylinder Repair Kit Fits Honda RVF 400 1994-1996

    High-quality replacement motorcycle part OEM-compatible fitment Brand new – in stock in the UK Fast UK delivery Honda OD=15.80mm, Length=32.00mm

    £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97
  • £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97

    Rear Brake Master Cylinder Repair Kit Fits Suzuki TL 1000 1997-2003

    Honda OD=12.70mm, Length=37.00mm

    £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97
  • Rear Brake Master Cylinder Repair Kit Fits Honda NT 650 1998-2001 – motorcycle part available from UK stock
    £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97

    Rear Brake Master Cylinder Repair Kit Fits Honda NT 650 1998-2001

    High-quality replacement motorcycle part OEM-compatible fitment Brand new – in stock in the UK Fast UK delivery Honda OD=15.80mm, Length=32.00mm

    £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97
  • Front Brake Master Cylinder Repair Kit Fits Honda CBF 500 2004-2006
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99

    Front Brake Master Cylinder Repair Kit Fits Honda CBF 500 2004-2006

    High-quality replacement motorcycle part OEM-compatible fitment Brand new – in stock in the UK Fast UK delivery Honda, Kawasaki, Suzuki, Yamaha OD...

    View full details
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99
  • £33.99 - £33.99
    £33.99
    £33.99 - £33.99
    £33.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki Z 1000 1977-1982

    Kawasaki OD=15.80mm, Length=62.70mm

    £33.99 - £33.99
    £33.99
    £33.99 - £33.99
    £33.99
  • £36.99 - £36.99
    £36.99
    £36.99 - £36.99
    £36.99

    Rear Brake Master Cylinder Repair Kit Fits Suzuki GSX 400 1981-1983

    Suzuki OD=14.00mm, Length=32.00mm

    £36.99 - £36.99
    £36.99
    £36.99 - £36.99
    £36.99
  • £33.99 - £33.99
    £33.99
    £33.99 - £33.99
    £33.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki KLE 650 2009-2014

    *Front Master Cylinder Repair Kit Kawasaki

    £33.99 - £33.99
    £33.99
    £33.99 - £33.99
    £33.99
  • £38.97 - £38.97
    £38.97
    £38.97 - £38.97
    £38.97

    Rear Brake Master Cylinder Repair Kit Fits Suzuki GSX R 600 2004-2014

    Suzuki OD=14.00mm, Length=32.00mm

    £38.97 - £38.97
    £38.97
    £38.97 - £38.97
    £38.97
  • Front Brake Master Cylinder Repair Kit Fits Yamaha XJ 650 1980-1984
    £23.97 - £23.97
    £23.97
    £23.97 - £23.97
    £23.97

    Front Brake Master Cylinder Repair Kit Fits Yamaha XJ 650 1980-1984

    Honda, Kawasaki, Suzuki, Yamaha OD=14.00mm Length=41.60mm

    £23.97 - £23.97
    £23.97
    £23.97 - £23.97
    £23.97
  • Front Brake Master Cylinder Repair Kit Fits Yamaha XS 850 1980-1981
    £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97

    Front Brake Master Cylinder Repair Kit Fits Yamaha XS 850 1980-1981

    *Yamaha OD=17.30mm, Length=55.00mm

    £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97
  • Front Brake Master Cylinder Repair Kit Fits Honda GL 1200 1984-1987
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99

    Front Brake Master Cylinder Repair Kit Fits Honda GL 1200 1984-1987

    High-quality replacement motorcycle part OEM-compatible fitment Brand new – in stock in the UK Fast UK delivery Honda, Kawasaki, Suzuki, Yamaha OD...

    View full details
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99
  • £38.97 - £38.97
    £38.97
    £38.97 - £38.97
    £38.97

    Front Brake Master Cylinder Repair Kit Fits Kawasaki KX 125 2000

    *Front Master Cylinder Repair Kit Kaw.KX65 00-13, KX125, 250 0

    £38.97 - £38.97
    £38.97
    £38.97 - £38.97
    £38.97
  • £71.97 - £71.97
    £71.97
    £71.97 - £71.97
    £71.97

    Front Brake Master Cylinder Repair Kit Fits Suzuki GSX R 1000 2009-2014

    *Suzuki OD=17.50mm Length=31.50mm

    £71.97 - £71.97
    £71.97
    £71.97 - £71.97
    £71.97
  • Front Brake Master Cylinder Repair Kit Fits Honda CBR 600 2003-2006 – motorcycle part available from UK stock
    £42.97 - £42.97
    £42.97
    £42.97 - £42.97
    £42.97

    Front Brake Master Cylinder Repair Kit Fits Honda CBR 600 2003-2006

    High-quality replacement motorcycle part OEM-compatible fitment Brand new – in stock in the UK Fast UK delivery Honda OD=17.50mm, Length=46.00mm

    £42.97 - £42.97
    £42.97
    £42.97 - £42.97
    £42.97
  • £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97

    Rear Brake Master Cylinder Repair Kit Fits Suzuki RM 85 2002-2014

    Honda OD=12.70mm, Length=37.00mm

    £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97
  • Front Brake Master Cylinder Repair Kit Fits Honda XR 500 1983-1984 – motorcycle part available from UK stock
    £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97

    Front Brake Master Cylinder Repair Kit Fits Honda XR 500 1983-1984

    High-quality replacement motorcycle part OEM-compatible fitment Brand new – in stock in the UK Fast UK delivery Suzuki OD=11.00mm, Length=61.00mm

    £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97
  • Front Brake Master Cylinder Repair Kit Fits Yamaha DT 80 1981-1992
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99

    Front Brake Master Cylinder Repair Kit Fits Yamaha DT 80 1981-1992

    Honda, Kawasaki, Suzuki, Yamaha OD=12.70mm Length=48.60mm

    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99
  • Front Brake Master Cylinder Repair Kit Fits Kawasaki KXF 250 1987-1988
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki KXF 250 1987-1988

    Honda, Kawasaki, Suzuki, Yamaha OD=12.70mm Length=48.60mm

    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99
  • £38.97 - £38.97
    £38.97
    £38.97 - £38.97
    £38.97

    Front Brake Master Cylinder Repair Kit Fits Kawasaki ER 6F ABS 2009-2014

    *Front Master Cylinder Repair Kit Kawasaki

    £38.97 - £38.97
    £38.97
    £38.97 - £38.97
    £38.97
  • Rear Brake Master Cylinder Repair Kit Fits Honda NX 500 1988-1999 – motorcycle part available from UK stock
    £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97

    Rear Brake Master Cylinder Repair Kit Fits Honda NX 500 1988-1999

    High-quality replacement motorcycle part OEM-compatible fitment Brand new – in stock in the UK Fast UK delivery Honda OD=12.70mm, Length=37.00mm

    £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97
  • Rear Brake Master Cylinder Repair Kit Fits Honda CB 1 1989-1991 – motorcycle part available from UK stock
    £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97

    Rear Brake Master Cylinder Repair Kit Fits Honda CB 1 1989-1991

    High-quality replacement motorcycle part OEM-compatible fitment Brand new – in stock in the UK Fast UK delivery Honda OD=15.80mm, Length=32.00mm

    £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97
  • Rear Brake Master Cylinder Repair Kit Fits Honda FMX 650 2005-2006 – motorcycle part available from UK stock
    £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97

    Rear Brake Master Cylinder Repair Kit Fits Honda FMX 650 2005-2006

    High-quality replacement motorcycle part OEM-compatible fitment Brand new – in stock in the UK Fast UK delivery Honda OD=15.80mm, Length=32.00mm

    £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97
  • Front Brake Master Cylinder Repair Kit Fits Suzuki GSF 650 2007-2008
    £23.99 - £23.99
    £23.99
    £23.99 - £23.99
    £23.99

    Front Brake Master Cylinder Repair Kit Fits Suzuki GSF 650 2007-2008

    Honda, Kawasaki, Suzuki, Yamaha OD=14.00mm Length=41.60mm

    £23.99 - £23.99
    £23.99
    £23.99 - £23.99
    £23.99
  • Rear Brake Master Cylinder Repair Kit Fits Honda XR 250 1996-2004 – motorcycle part available from UK stock
    £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97

    Rear Brake Master Cylinder Repair Kit Fits Honda XR 250 1996-2004

    High-quality replacement motorcycle part OEM-compatible fitment Brand new – in stock in the UK Fast UK delivery Honda OD=15.80mm, Length=32.00mm

    £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97
  • £38.97 - £38.97
    £38.97
    £38.97 - £38.97
    £38.97

    Front Brake Master Cylinder Repair Kit Fits Kawasaki KX 250 2000

    *Front Master Cylinder Repair Kit Kaw.KX65 00-13, KX125, 250 0

    £38.97 - £38.97
    £38.97
    £38.97 - £38.97
    £38.97
  • Save 9% Save %
    £43.00
    £43.00 - £43.00
    £43.00
    £38.97
    £38.97 - £38.97
    £38.97

    Rear Brake Master Cylinder Repair Kit Fits Suzuki GSF 1200 2006

    Suzuki OD=14.00mm, Length=32.00mm

    £43.00
    £43.00 - £43.00
    £43.00
    £38.97
    £38.97 - £38.97
    £38.97
    Save 9% Save %
  • £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97

    Front Brake Master Cylinder Repair Kit Fits Kawasaki KDX 220 1997-2005

    Suzuki OD=11.00mm, Length=61.00mm

    £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97
  • Front Brake Master Cylinder Repair Kit Fits Honda VT 125 1999-2006
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99

    Front Brake Master Cylinder Repair Kit Fits Honda VT 125 1999-2006

    High-quality replacement motorcycle part OEM-compatible fitment Brand new – in stock in the UK Fast UK delivery Honda, Yamaha OD=11.00mm Length=50...

    View full details
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99
  • Front Brake Master Cylinder Repair Kit Fits Honda VT 500 1983-1986
    Sold out
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99

    Front Brake Master Cylinder Repair Kit Fits Honda VT 500 1983-1986

    Honda, Kawasaki, Suzuki, Yamaha OD=14.00mm Length=41.60mm

    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99
    Sold out
  • Front Brake Master Cylinder Repair Kit Fits Honda VFR 800 2002-2013
    Sold out
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99

    Front Brake Master Cylinder Repair Kit Fits Honda VFR 800 2002-2013

    Honda, Kawasaki, Suzuki, Yamaha OD=14.00mm Length=41.60mm

    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99
    Sold out
  • Front Brake Master Cylinder Repair Kit Fits Honda PC 800 1989-1998
    Sold out
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99

    Front Brake Master Cylinder Repair Kit Fits Honda PC 800 1989-1998

    Honda, Kawasaki, Suzuki, Yamaha OD=14.00mm Length=41.60mm

    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99
    Sold out
  • Front Brake Master Cylinder Repair Kit Fits Honda GL 500 1982
    Sold out
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99

    Front Brake Master Cylinder Repair Kit Fits Honda GL 500 1982

    Honda, Kawasaki, Suzuki, Yamaha OD=14.00mm Length=41.60mm

    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99
    Sold out
  • Rear Brake Master Cylinder Repair Kit Fits Suzuki UH 200 2007-2011
    Sold out
    £21.99 - £21.99
    £21.99
    £21.99 - £21.99
    £21.99

    Rear Brake Master Cylinder Repair Kit Fits Suzuki UH 200 2007-2011

    Honda, Kawasaki, Suzuki, Yamaha OD=14.00mm Length=41.60mm

    £21.99 - £21.99
    £21.99
    £21.99 - £21.99
    £21.99
    Sold out
  • Rear Brake Master Cylinder Repair Kit Fits Suzuki UH 125 2007-2011
    Sold out
    £21.99 - £21.99
    £21.99
    £21.99 - £21.99
    £21.99

    Rear Brake Master Cylinder Repair Kit Fits Suzuki UH 125 2007-2011

    Honda, Kawasaki, Suzuki, Yamaha OD=14.00mm Length=41.60mm

    £21.99 - £21.99
    £21.99
    £21.99 - £21.99
    £21.99
    Sold out
  • Rear Brake Master Cylinder Repair Kit Fits Suzuki AN 400 1999-2006
    Sold out
    £21.99 - £21.99
    £21.99
    £21.99 - £21.99
    £21.99

    Rear Brake Master Cylinder Repair Kit Fits Suzuki AN 400 1999-2006

    Honda, Kawasaki, Suzuki, Yamaha OD=14.00mm Length=41.60mm

    £21.99 - £21.99
    £21.99
    £21.99 - £21.99
    £21.99
    Sold out
  • Rear Brake Master Cylinder Repair Kit Fits Honda FES 250 1998-2005
    Sold out
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99

    Rear Brake Master Cylinder Repair Kit Fits Honda FES 250 1998-2005

    Honda, Kawasaki, Suzuki, Yamaha OD=14.00mm Length=41.60mm

    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99
    Sold out
  • Rear Brake Master Cylinder Repair Kit Fits Honda FES 150 1998-2009
    Sold out
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99

    Rear Brake Master Cylinder Repair Kit Fits Honda FES 150 1998-2009

    Honda, Kawasaki, Suzuki, Yamaha OD=14.00mm Length=41.60mm

    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99
    Sold out
  • Front Brake Master Cylinder Repair Kit Fits Yamaha YZ 250 1985-1989
    £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99

    Front Brake Master Cylinder Repair Kit Fits Yamaha YZ 250 1985-1989

    Honda, Yamaha OD=11.00mm Length=50.00mm

    £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99
  • Front Brake Master Cylinder Repair Kit Fits Kawasaki ER 5 1997-2003
    £21.99 - £21.99
    £21.99
    £21.99 - £21.99
    £21.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki ER 5 1997-2003

    Honda, Kawasaki, Suzuki, Yamaha OD=12.70mm Length=48.60mm

    £21.99 - £21.99
    £21.99
    £21.99 - £21.99
    £21.99
  • Front Brake Master Cylinder Repair Kit Fits Kawasaki EJ800ADFA 2013
    £21.99 - £21.99
    £21.99
    £21.99 - £21.99
    £21.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki EJ800ADFA 2013

    Honda, Kawasaki, Suzuki, Yamaha OD=12.70mm Length=48.60mm

    £21.99 - £21.99
    £21.99
    £21.99 - £21.99
    £21.99
  • Front Brake Master Cylinder Repair Kit Fits Kawasaki EJ800ACF 2012
    £21.99 - £21.99
    £21.99
    £21.99 - £21.99
    £21.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki EJ800ACF 2012

    Honda, Kawasaki, Suzuki, Yamaha OD=12.70mm Length=48.60mm

    £21.99 - £21.99
    £21.99
    £21.99 - £21.99
    £21.99
  • Front Brake Master Cylinder Repair Kit Fits Kawasaki BJ 250 1994-1997
    £21.99 - £21.99
    £21.99
    £21.99 - £21.99
    £21.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki BJ 250 1994-1997

    Honda, Kawasaki, Suzuki, Yamaha OD=12.70mm Length=48.60mm

    £21.99 - £21.99
    £21.99
    £21.99 - £21.99
    £21.99
  • Front Brake Master Cylinder Repair Kit Fits Honda VTX 1300 2003-2004
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99

    Front Brake Master Cylinder Repair Kit Fits Honda VTX 1300 2003-2004

    Honda, Kawasaki, Suzuki, Yamaha OD=12.70mm Length=48.60mm

    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99
  • Front Brake Master Cylinder Repair Kit Fits Honda VTR 250 1988-1990
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99

    Front Brake Master Cylinder Repair Kit Fits Honda VTR 250 1988-1990

    Honda, Kawasaki, Suzuki, Yamaha OD=12.70mm Length=48.60mm

    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99
  • Front Brake Master Cylinder Repair Kit Fits Honda VT 500 1983-1985
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99

    Front Brake Master Cylinder Repair Kit Fits Honda VT 500 1983-1985

    Honda, Kawasaki, Suzuki, Yamaha OD=12.70mm Length=48.60mm

    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99
  • Front Brake Master Cylinder Repair Kit Fits Honda VT 1300 2010-2011
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99

    Front Brake Master Cylinder Repair Kit Fits Honda VT 1300 2010-2011

    Honda, Kawasaki, Suzuki, Yamaha OD=12.70mm Length=48.60mm

    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99
  • Front Brake Master Cylinder Repair Kit Fits Honda VT 1100 1995-2007
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99

    Front Brake Master Cylinder Repair Kit Fits Honda VT 1100 1995-2007

    Honda, Kawasaki, Suzuki, Yamaha OD=12.70mm Length=48.60mm

    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99