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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.

  • Rear Brake Master Cylinder Repair Kit Fits Yamaha YZ 250 1996-2002
    £43.99 - £43.99
    £43.99
    £43.99 - £43.99
    £43.99

    Rear Brake Master Cylinder Repair Kit Fits Yamaha YZ 250 1996-2002

    *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 Suzuki VL 1500 1998-2001
    £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99

    Front Brake Master Cylinder Repair Kit Fits Suzuki VL 1500 1998-2001

    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 CM 250 1981
    £23.97 - £23.97
    £23.97
    £23.97 - £23.97
    £23.97

    Front Brake Master Cylinder Repair Kit Fits Honda CM 250 1981

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

    Visualizza tutti i dettagli
    £23.97 - £23.97
    £23.97
    £23.97 - £23.97
    £23.97
  • Front Brake Master Cylinder Repair Kit Fits Kawasaki KLX 250 1994-2007
    £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki KLX 250 1994-2007

    Honda, Yamaha OD=11.00mm Length=50.00mm

    £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99
  • Risparmia il 14% Risparmia il %
    £36.00
    £36.00 - £36.00
    £36.00
    £30.99
    £30.99 - £30.99
    £30.99

    Front Brake Master Cylinder Repair Kit Fits Suzuki RMX 250 1989-1999

    Suzuki OD=11.00mm, Length=61.00mm

    £36.00
    £36.00 - £36.00
    £36.00
    £30.99
    £30.99 - £30.99
    £30.99
    Risparmia il 14% Risparmia il %
  • £33.99 - £33.99
    £33.99
    £33.99 - £33.99
    £33.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki Z 400 1983

    Kawasaki OD=15.80mm, Length=62.70mm

    £33.99 - £33.99
    £33.99
    £33.99 - £33.99
    £33.99
  • £30.99 - £30.99
    £30.99
    £30.99 - £30.99
    £30.99

    Front Brake Master Cylinder Repair Kit Fits Suzuki RM Z 250 2004-2006

    Kawasaki OD=11.00mm, Length=51.00mm

    £30.99 - £30.99
    £30.99
    £30.99 - £30.99
    £30.99
  • £33.99 - £33.99
    £33.99
    £33.99 - £33.99
    £33.99

    Rear Brake Master Cylinder Repair Kit Fits Suzuki LT 250 1985-1991

    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

    Rear Brake Master Cylinder Repair Kit Fits Suzuki RM 100 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 VT 1300 2010-2011 – 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 VT 1300 2010-2011

    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 Yamaha XS 750 1977-1979
    £30.99 - £30.99
    £30.99
    £30.99 - £30.99
    £30.99

    Front Brake Master Cylinder Repair Kit Fits Yamaha XS 750 1977-1979

    *Yamaha OD=17.30mm, Length=55.00mm

    £30.99 - £30.99
    £30.99
    £30.99 - £30.99
    £30.99
  • Front Brake Master Cylinder Repair Kit Fits Honda CR 250 1986-1998 – 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 250 1986-1998

    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 Kawasaki KDX 125 1990-1999
    £21.99 - £21.99
    £21.99
    £21.99 - £21.99
    £21.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki KDX 125 1990-1999

    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 VT 600 1993-2007
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99

    Front Brake Master Cylinder Repair Kit Fits Honda VT 600 1993-2007

    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...

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    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99
  • Front Brake Master Cylinder Repair Kit Fits Honda NX 125 1989-1990 – 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 NX 125 1989-1990

    High-quality replacement motorcycle part OEM-compatible fitment Brand new – in stock in the UK Fast UK delivery *Honda OD=12.70mm, Length=58.80mm

    £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97
  • Front Brake Master Cylinder Repair Kit Fits Yamaha XV 920 1983
    £23.99 - £23.99
    £23.99
    £23.99 - £23.99
    £23.99

    Front Brake Master Cylinder Repair Kit Fits Yamaha XV 920 1983

    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 XR 650 1993-2012 – 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 650 1993-2012

    High-quality replacement motorcycle part OEM-compatible fitment Brand new – in stock in the UK Fast UK delivery *Honda OD=12.70mm, Length=58.80mm

    £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97
  • Front Brake Master Cylinder Repair Kit Fits Honda CRM 125 1990-1999 – 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 CRM 125 1990-1999

    High-quality replacement motorcycle part OEM-compatible fitment Brand new – in stock in the UK Fast UK delivery *Honda OD=12.70mm, Length=58.80mm

    £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97
  • £24.99 - £24.99
    £24.99
    £24.99 - £24.99
    £24.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki S3 Mach 1974

    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 VX 800 1990-1996

    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 Kawasaki KMX 200 1988-1991
    £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki KMX 200 1988-1991

    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 VT 600 1988-1993 – motorcycle part available from UK stock
    £21.97 - £21.97
    £21.97
    £21.97 - £21.97
    £21.97

    Front Brake Master Cylinder Repair Kit Fits Honda VT 600 1988-1993

    High-quality replacement motorcycle part OEM-compatible fitment Brand new – in stock in the UK Fast UK delivery Honda OD=12.70mm, Length=48.50mm X...

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    £21.97 - £21.97
    £21.97
    £21.97 - £21.97
    £21.97
  • Front Brake Master Cylinder Repair Kit Fits Yamaha YZ 85 2002-2014
    £30.99 - £30.99
    £30.99
    £30.99 - £30.99
    £30.99

    Front Brake Master Cylinder Repair Kit Fits Yamaha YZ 85 2002-2014

    Kawasaki OD=11.00mm, Length=51.00mm

    £30.99 - £30.99
    £30.99
    £30.99 - £30.99
    £30.99
  • Rear Brake Master Cylinder Repair Kit Fits Honda VFR 400 1986-1987 – 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 VFR 400 1986-1987

    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
  • Front Brake Master Cylinder Repair Kit Fits Honda CR 125 1986-1998 – 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 125 1986-1998

    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 RM Z 250 2004-2006

    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 Yamaha DT 125 1988-2006
    £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99

    Front Brake Master Cylinder Repair Kit Fits Yamaha DT 125 1988-2006

    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 CLR 125 1998 – 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 CLR 125 1998

    High-quality replacement motorcycle part OEM-compatible fitment Brand new – in stock in the UK Fast UK delivery *Honda OD=12.70mm, Length=58.80mm

    £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97
  • Rear Brake Master Cylinder Repair Kit Fits Honda XR 250 1990-1995 – 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 1990-1995

    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
  • £23.99 - £23.99
    £23.99
    £23.99 - £23.99
    £23.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki KH 100 1981-1982

    Kawasaki OD=14.00mm, Length=52.00mm

    £23.99 - £23.99
    £23.99
    £23.99 - £23.99
    £23.99
  • Front Brake Master Cylinder Repair Kit Fits Kawasaki EL 250 1987-1996
    £21.99 - £21.99
    £21.99
    £21.99 - £21.99
    £21.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki EL 250 1987-1996

    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 CB 550 1983
    £23.97 - £23.97
    £23.97
    £23.97 - £23.97
    £23.97

    Front Brake Master Cylinder Repair Kit Fits Honda CB 550 1983

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

    Visualizza tutti i dettagli
    £23.97 - £23.97
    £23.97
    £23.97 - £23.97
    £23.97
  • £33.99 - £33.99
    £33.99
    £33.99 - £33.99
    £33.99

    Rear Brake Master Cylinder Repair Kit Fits Kawasaki ZX 10R 2006-2010

    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 Kawasaki KLR 600 1984-1990
    £21.99 - £21.99
    £21.99
    £21.99 - £21.99
    £21.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki KLR 600 1984-1990

    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 KLR 250 1991-2005
    £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki KLR 250 1991-2005

    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 ZXR 400 1991-1999
    £23.99 - £23.99
    £23.99
    £23.99 - £23.99
    £23.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki ZXR 400 1991-1999

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

    £23.99 - £23.99
    £23.99
    £23.99 - £23.99
    £23.99
  • £33.99 - £33.99
    £33.99
    £33.99 - £33.99
    £33.99

    Rear Brake Master Cylinder Repair Kit Fits Kawasaki ZX 6RR 2003-2006

    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 CRF 450 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 CRF 450 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 Honda CB 500 1994-1996
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99

    Front Brake Master Cylinder Repair Kit Fits Honda CB 500 1994-1996

    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...

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    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99
  • Front Brake Master Cylinder Repair Kit Fits Kawasaki AR 50 1981-1994
    £21.99 - £21.99
    £21.99
    £21.99 - £21.99
    £21.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki AR 50 1981-1994

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

    £21.99 - £21.99
    £21.99
    £21.99 - £21.99
    £21.99
  • £33.99 - £33.99
    £33.99
    £33.99 - £33.99
    £33.99

    Rear Brake Master Cylinder Repair Kit Fits Suzuki GSF 600 1995-2004

    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 Yamaha XS 650 1978-1980
    £33.99 - £33.99
    £33.99
    £33.99 - £33.99
    £33.99

    Rear Brake Master Cylinder Repair Kit Fits Yamaha XS 650 1978-1980

    *Yamaha OD=14.00mm, Length=55.50mm

    £33.99 - £33.99
    £33.99
    £33.99 - £33.99
    £33.99
  • £30.99 - £30.99
    £30.99
    £30.99 - £30.99
    £30.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki KX 85 2001-2014

    Kawasaki OD=11.00mm, Length=51.00mm

    £30.99 - £30.99
    £30.99
    £30.99 - £30.99
    £30.99
  • £24.99 - £24.99
    £24.99
    £24.99 - £24.99
    £24.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki H1 F 1975

    Kawasaki OD=15.80mm, Length=52.00mm

    £24.99 - £24.99
    £24.99
    £24.99 - £24.99
    £24.99
  • Risparmia il 14% Risparmia il %
    £36.00
    £36.00 - £36.00
    £36.00
    £30.99
    £30.99 - £30.99
    £30.99

    Front Brake Master Cylinder Repair Kit Fits Suzuki RM 250 1996-2006

    Suzuki OD=11.00mm, Length=61.00mm

    £36.00
    £36.00 - £36.00
    £36.00
    £30.99
    £30.99 - £30.99
    £30.99
    Risparmia il 14% Risparmia il %
  • Risparmia il 15% Risparmia il %
    £40.00
    £40.00 - £40.00
    £40.00
    £33.99
    £33.99 - £33.99
    £33.99

    Front Brake Master Cylinder Repair Kit Fits Suzuki VL 1500 2007-2009

    Front Master Cylinder Repair Kit Suzuki GSF650 05-06, VZR1800

    £40.00
    £40.00 - £40.00
    £40.00
    £33.99
    £33.99 - £33.99
    £33.99
    Risparmia il 15% Risparmia il %
  • £33.99 - £33.99
    £33.99
    £33.99 - £33.99
    £33.99

    Rear Brake Master Cylinder Repair Kit Fits Suzuki GSX 600 1988-2004

    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 Kawasaki ZR 400 1992-2001
    £23.99 - £23.99
    £23.99
    £23.99 - £23.99
    £23.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki ZR 400 1992-2001

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

    £23.99 - £23.99
    £23.99
    £23.99 - £23.99
    £23.99