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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.

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    £33.99 - £33.99
    £33.99
    £33.99 - £33.99
    £33.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki GPZ 550 1981

    Kawasaki OD=15.80mm, Length=62.70mm

    £33.99 - £33.99
    £33.99
    £33.99 - £33.99
    £33.99
  • Front Brake Master Cylinder Repair Kit Fits Honda CG 125 2004-2008
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99

    Front Brake Master Cylinder Repair Kit Fits Honda CG 125 2004-2008

    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
  • £30.99 - £30.99
    £30.99
    £30.99 - £30.99
    £30.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki KDX 250 1991-1995

    Suzuki OD=11.00mm, Length=61.00mm

    £30.99 - £30.99
    £30.99
    £30.99 - £30.99
    £30.99
  • Rear Brake Master Cylinder Repair Kit Fits Honda CBR 250 1990-1994 – 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 CBR 250 1990-1994

    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 DR Z 400 2000-2012
    £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99

    Front Brake Master Cylinder Repair Kit Fits Suzuki DR Z 400 2000-2012

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

    £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99
  • £33.99 - £33.99
    £33.99
    £33.99 - £33.99
    £33.99

    Rear Brake Master Cylinder Repair Kit Fits Suzuki TS 125 1989-1994

    Honda OD=12.70mm, Length=37.00mm

    £33.99 - £33.99
    £33.99
    £33.99 - £33.99
    £33.99
  • Front Brake Master Cylinder Repair Kit Fits Honda CB 1100 2000-2001 – 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 CB 1100 2000-2001

    High-quality replacement motorcycle part OEM-compatible fitment Brand new – in stock in the UK Fast UK delivery Honda OD=14.00mm, Length=32.00mm

    £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97
  • Front Brake Master Cylinder Repair Kit Fits Yamaha YZF R1 1998-2003
    £23.99 - £23.99
    £23.99
    £23.99 - £23.99
    £23.99

    Front Brake Master Cylinder Repair Kit Fits Yamaha YZF R1 1998-2003

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

    £23.99 - £23.99
    £23.99
    £23.99 - £23.99
    £23.99
  • Front Brake Master Cylinder Repair Kit Fits Honda CB 250 1991-2001
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99

    Front Brake Master Cylinder Repair Kit Fits Honda CB 250 1991-2001

    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 Kawasaki KSF 250 1988-2004
    £23.99 - £23.99
    £23.99
    £23.99 - £23.99
    £23.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki KSF 250 1988-2004

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

    £23.99 - £23.99
    £23.99
    £23.99 - £23.99
    £23.99
  • Front Brake Master Cylinder Repair Kit Fits Kawasaki KDX 125 1990
    £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki KDX 125 1990

    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 Honda CBR 600 2007-2013 – motorcycle part available from UK stock
    £38.97 - £38.97
    £38.97
    £38.97 - £38.97
    £38.97

    Front Brake Master Cylinder Repair Kit Fits Honda CBR 600 2007-2013

    High-quality replacement motorcycle part OEM-compatible fitment Brand new – in stock in the UK Fast UK delivery *Honda OD=17.50mm, Length=31.50mm

    £38.97 - £38.97
    £38.97
    £38.97 - £38.97
    £38.97
  • Front Brake Master Cylinder Repair Kit Fits Suzuki GS 500 1989-2011
    £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99

    Front Brake Master Cylinder Repair Kit Fits Suzuki GS 500 1989-2011

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

    £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99
  • Front Brake Master Cylinder Repair Kit Fits Honda RVF 750 1994-1995 – 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 RVF 750 1994-1995

    High-quality replacement motorcycle part OEM-compatible fitment Brand new – in stock in the UK Fast UK delivery *Honda OD=14.00m, Length=50.70mm

    £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97
  • Front Brake Master Cylinder Repair Kit Fits Kawasaki GPZ 400 1985-1988
    £23.99 - £23.99
    £23.99
    £23.99 - £23.99
    £23.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki GPZ 400 1985-1988

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

    £23.99 - £23.99
    £23.99
    £23.99 - £23.99
    £23.99
  • Front Brake Master Cylinder Repair Kit Fits Kawasaki Z 200 1983
    £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki Z 200 1983

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

    £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99
  • £30.99 - £30.99
    £30.99
    £30.99 - £30.99
    £30.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki KX 125 1994-1996

    Suzuki OD=11.00mm, Length=61.00mm

    £30.99 - £30.99
    £30.99
    £30.99 - £30.99
    £30.99
  • Front Brake Master Cylinder Repair Kit Fits Kawasaki KX 500 1983-1986
    £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki KX 500 1983-1986

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

    £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99
  • Rear Brake Master Cylinder Repair Kit Fits Yamaha XVS 1100 1999-2006
    £43.99 - £43.99
    £43.99
    £43.99 - £43.99
    £43.99

    Rear Brake Master Cylinder Repair Kit Fits Yamaha XVS 1100 1999-2006

    *Rear Master Cylinder Repair Kit Yamaha XVS1100 99-06, XVS1300

    £43.99 - £43.99
    £43.99
    £43.99 - £43.99
    £43.99
  • £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki KH 250 1976

    Kawasaki OD=14.00mm, Length=52.00mm

    £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99
  • Rear Brake Master Cylinder Repair Kit Fits Yamaha XT 250 2006-2008
    £43.99 - £43.99
    £43.99
    £43.99 - £43.99
    £43.99

    Rear Brake Master Cylinder Repair Kit Fits Yamaha XT 250 2006-2008

    *Yamaha OD=12.70mm, Length=37.00mm(Thread Length 19mm)

    £43.99 - £43.99
    £43.99
    £43.99 - £43.99
    £43.99
  • Front Brake Master Cylinder Repair Kit Fits Yamaha TZR 250 1987-1989
    £23.99 - £23.99
    £23.99
    £23.99 - £23.99
    £23.99

    Front Brake Master Cylinder Repair Kit Fits Yamaha TZR 250 1987-1989

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

    £23.99 - £23.99
    £23.99
    £23.99 - £23.99
    £23.99
  • Front Brake Master Cylinder Repair Kit Fits Suzuki VS 750 1985-1987
    £23.99 - £23.99
    £23.99
    £23.99 - £23.99
    £23.99

    Front Brake Master Cylinder Repair Kit Fits Suzuki VS 750 1985-1987

    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 CBX 750 1984-1986 – 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 CBX 750 1984-1986

    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 NSR 75 1992-2000 – 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 NSR 75 1992-2000

    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 CR 250 2002-2007 – motorcycle part available from UK stock
    £47.97 - £47.97
    £47.97
    £47.97 - £47.97
    £47.97

    Rear Brake Master Cylinder Repair Kit Fits Honda CR 250 2002-2007

    High-quality replacement motorcycle part OEM-compatible fitment Brand new – in stock in the UK Fast UK delivery Honda OD=9.50mm, Length=32.00mm

    £47.97 - £47.97
    £47.97
    £47.97 - £47.97
    £47.97
  • Front Brake Master Cylinder Repair Kit Fits Yamaha XT 350 1985-2000
    £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99

    Front Brake Master Cylinder Repair Kit Fits Yamaha XT 350 1985-2000

    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 Honda ANF 125 2003-2012
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99

    Front Brake Master Cylinder Repair Kit Fits Honda ANF 125 2003-2012

    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
  • Front Brake Master Cylinder Repair Kit Fits Honda VT 750 1997-2013
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99

    Front Brake Master Cylinder Repair Kit Fits Honda VT 750 1997-2013

    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 Yamaha YSR 50 1987-1992
    £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99

    Front Brake Master Cylinder Repair Kit Fits Yamaha YSR 50 1987-1992

    Honda, Yamaha OD=11.00mm Length=50.00mm

    £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99
  • Rear Brake Master Cylinder Repair Kit Fits Honda FES 125 1998-2009
    £23.97 - £23.97
    £23.97
    £23.97 - £23.97
    £23.97

    Rear Brake Master Cylinder Repair Kit Fits Honda FES 125 1998-2009

    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
    £23.97 - £23.97
    £23.97
    £23.97 - £23.97
    £23.97
  • Front Brake Master Cylinder Repair Kit Fits Honda CBR 900 2000-2001 – motorcycle part available from UK stock
    £48.97 - £48.97
    £48.97
    £48.97 - £48.97
    £48.97

    Front Brake Master Cylinder Repair Kit Fits Honda CBR 900 2000-2001

    High-quality replacement motorcycle part OEM-compatible fitment Brand new – in stock in the UK Fast UK delivery Honda OD=19.00mm, Length=46.00mm

    £48.97 - £48.97
    £48.97
    £48.97 - £48.97
    £48.97
  • £24.99 - £24.99
    £24.99
    £24.99 - £24.99
    £24.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki Z1 1973

    Kawasaki OD=15.80mm, Length=52.00mm

    £24.99 - £24.99
    £24.99
    £24.99 - £24.99
    £24.99
  • £33.99 - £33.99
    £33.99
    £33.99 - £33.99
    £33.99

    Rear Brake Master Cylinder Repair Kit Fits Suzuki GSX R 600 1997-2003

    Honda OD=12.70mm, Length=37.00mm

    £33.99 - £33.99
    £33.99
    £33.99 - £33.99
    £33.99
  • Rear Brake Master Cylinder Repair Kit Fits Honda SH 150i 2009-2011
    £23.97 - £23.97
    £23.97
    £23.97 - £23.97
    £23.97

    Rear Brake Master Cylinder Repair Kit Fits Honda SH 150i 2009-2011

    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
    £23.97 - £23.97
    £23.97
    £23.97 - £23.97
    £23.97
  • £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki KH 400 1978

    Kawasaki OD=14.00mm, Length=52.00mm

    £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99
  • Rear Brake Master Cylinder Repair Kit Fits Honda NSR 125 1988-2001 – 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 NSR 125 1988-2001

    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 VTR 250 2009-2010 – 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 VTR 250 2009-2010

    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
  • £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki Z 440 1980-1983

    Kawasaki OD=14.00mm, Length=52.00mm

    £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99
  • Front Brake Master Cylinder Repair Kit Fits Suzuki LT 500 1987-1990
    £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99

    Front Brake Master Cylinder Repair Kit Fits Suzuki LT 500 1987-1990

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

    £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99
  • Front Brake Master Cylinder Repair Kit Fits Honda CBF 600 2004-2010
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99

    Front Brake Master Cylinder Repair Kit Fits Honda CBF 600 2004-2010

    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
  • Front Brake Master Cylinder Repair Kit Fits Honda CR 80 2000-2002 – 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 CR 80 2000-2002

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

    Rear Brake Master Cylinder Repair Kit Fits Suzuki GSX 1200 1998-2002

    Honda OD=12.70mm, Length=37.00mm

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

    Front Brake Master Cylinder Repair Kit Fits Kawasaki ER 6N ABS 2009-2010

    *Front Master Cylinder Repair Kit Kawasaki

    £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 R 1000 2003-2014

    Suzuki OD=14.00mm, Length=32.00mm

    £36.99 - £36.99
    £36.99
    £36.99 - £36.99
    £36.99
  • Front Brake Master Cylinder Repair Kit Fits Yamaha RD 80 1982-1986
    £23.99 - £23.99
    £23.99
    £23.99 - £23.99
    £23.99

    Front Brake Master Cylinder Repair Kit Fits Yamaha RD 80 1982-1986

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

    £23.99 - £23.99
    £23.99
    £23.99 - £23.99
    £23.99
  • Front Brake Master Cylinder Repair Kit Fits Yamaha YZ 80 2001
    £30.99 - £30.99
    £30.99
    £30.99 - £30.99
    £30.99

    Front Brake Master Cylinder Repair Kit Fits Yamaha YZ 80 2001

    Kawasaki OD=11.00mm, Length=51.00mm

    £30.99 - £30.99
    £30.99
    £30.99 - £30.99
    £30.99
  • Front Brake Master Cylinder Repair Kit Fits Suzuki TS 125 1989-1994
    £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99

    Front Brake Master Cylinder Repair Kit Fits Suzuki TS 125 1989-1994

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

    £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99