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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 Honda CM 400 1981
    £23.97 - £23.97
    £23.97
    £23.97 - £23.97
    £23.97

    Front Brake Master Cylinder Repair Kit Fits Honda CM 400 1981

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

    Afficher tous les détails
    £23.97 - £23.97
    £23.97
    £23.97 - £23.97
    £23.97
  • £33.99 - £33.99
    £33.99
    £33.99 - £33.99
    £33.99

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

    *Front Master Cylinder Repair Kit Kawasaki

    £33.99 - £33.99
    £33.99
    £33.99 - £33.99
    £33.99
  • £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97

    Front Brake Master Cylinder Repair Kit Fits Kawasaki KX 500 2004

    Kawasaki OD=11.00mm, Length=51.00mm

    £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97
  • Rear Brake Master Cylinder Repair Kit Fits Yamaha YZ 125 1996-2002
    £42.97 - £42.97
    £42.97
    £42.97 - £42.97
    £42.97

    Rear Brake Master Cylinder Repair Kit Fits Yamaha YZ 125 1996-2002

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

    £42.97 - £42.97
    £42.97
    £42.97 - £42.97
    £42.97
  • Front Brake Master Cylinder Repair Kit Fits Kawasaki AR 80 1981-1990
    £21.99 - £21.99
    £21.99
    £21.99 - £21.99
    £21.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki AR 80 1981-1990

    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 Suzuki RG 250 1986-1987
    £23.99 - £23.99
    £23.99
    £23.99 - £23.99
    £23.99

    Front Brake Master Cylinder Repair Kit Fits Suzuki RG 250 1986-1987

    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 SRX 250 1985
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99

    Front Brake Master Cylinder Repair Kit Fits Yamaha SRX 250 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 Yamaha YZF R7 1999
    £23.99 - £23.99
    £23.99
    £23.99 - £23.99
    £23.99

    Front Brake Master Cylinder Repair Kit Fits Yamaha YZF R7 1999

    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 Yamaha XS 750 1977-1979
    £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97

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

    *Yamaha OD=14.00mm, Length=55.50mm

    £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 Kawasaki KLX 650 1993-1999

    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 NTV 650 1993-1997
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99

    Front Brake Master Cylinder Repair Kit Fits Honda NTV 650 1993-1997

    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...

    Afficher tous les détails
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99
  • Rear Brake Master Cylinder Repair Kit Fits Honda CBR 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 CBR 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 CB 750 1978 – 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 CB 750 1978

    High-quality replacement motorcycle part OEM-compatible fitment Brand new – in stock in the UK Fast UK delivery Front Master Cylinder Repair Kit H...

    Afficher tous les détails
    £38.97 - £38.97
    £38.97
    £38.97 - £38.97
    £38.97
  • £30.99 - £30.99
    £30.99
    £30.99 - £30.99
    £30.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki KDX 200 1995-2006

    Suzuki OD=11.00mm, Length=61.00mm

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

    Front Brake Master Cylinder Repair Kit Fits Kawasaki Z 750 1980-1983

    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 NX 650 1997-1999
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99

    Front Brake Master Cylinder Repair Kit Fits Honda NX 650 1997-1999

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

    Afficher tous les détails
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99
  • Front Brake Master Cylinder Repair Kit Fits Honda VTR 1000 1997-2003 – 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 VTR 1000 1997-2003

    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 Yamaha YZ 450 2003-2007
    £30.99 - £30.99
    £30.99
    £30.99 - £30.99
    £30.99

    Front Brake Master Cylinder Repair Kit Fits Yamaha YZ 450 2003-2007

    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

    Front Brake Master Cylinder Repair Kit Fits Kawasaki KZ 650 1978-1980

    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 Yamaha XVS 950 2009-2012
    £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99

    Front Brake Master Cylinder Repair Kit Fits Yamaha XVS 950 2009-2012

    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 Suzuki DR 350 1990-1999
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99

    Front Brake Master Cylinder Repair Kit Fits Suzuki DR 350 1990-1999

    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 Yamaha XJR 1300 1999-2004
    £23.99 - £23.99
    £23.99
    £23.99 - £23.99
    £23.99

    Front Brake Master Cylinder Repair Kit Fits Yamaha XJR 1300 1999-2004

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

    £23.99 - £23.99
    £23.99
    £23.99 - £23.99
    £23.99
  • £38.97 - £38.97
    £38.97
    £38.97 - £38.97
    £38.97

    Front Brake Master Cylinder Repair Kit Fits Kawasaki Z 650 1978-1983

    Kawasaki OD=15.80mm, Length=62.70mm

    £38.97 - £38.97
    £38.97
    £38.97 - £38.97
    £38.97
  • Front Brake Master Cylinder Repair Kit Fits Honda XR 600 1986-1987 – 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 XR 600 1986-1987

    High-quality replacement motorcycle part OEM-compatible fitment Brand new – in stock in the UK Fast UK delivery *Front Master Cylinder Repair Kit ...

    Afficher tous les détails
    £38.97 - £38.97
    £38.97
    £38.97 - £38.97
    £38.97
  • Front 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

    Front 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=14.00m, Length=50.70mm

    £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97
  • Rear Brake Master Cylinder Repair Kit Fits Yamaha FZR 1000 1989-1995
    £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97

    Rear Brake Master Cylinder Repair Kit Fits Yamaha FZR 1000 1989-1995

    *Yamaha OD=14.00mm, Length=32.00mm(Thread Length 37mm)

    £33.97 - £33.97
    £33.97
    £33.97 - £33.97
    £33.97
  • Front Brake Master Cylinder Repair Kit Fits Honda NTV 650 1988-1992
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99

    Front Brake Master Cylinder Repair Kit Fits Honda NTV 650 1988-1992

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

    Afficher tous les détails
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99
  • Front Brake Master Cylinder Repair Kit Fits Honda XR 400 1996-2004 – 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 400 1996-2004

    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 Kawasaki KVF 400 1997-2002
    £23.97 - £23.97
    £23.97
    £23.97 - £23.97
    £23.97

    Front Brake Master Cylinder Repair Kit Fits Kawasaki KVF 400 1997-2002

    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 Kawasaki VN 1500 1999-2005
    £23.99 - £23.99
    £23.99
    £23.99 - £23.99
    £23.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki VN 1500 1999-2005

    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 Yamaha YFZ 350 1988-2001
    £33.99 - £33.99
    £33.99
    £33.99 - £33.99
    £33.99

    Rear Brake Master Cylinder Repair Kit Fits Yamaha YFZ 350 1988-2001

    *Yamaha OD=12.70mm, Length=37.00mm(Thread Length 23mm)

    £33.99 - £33.99
    £33.99
    £33.99 - £33.99
    £33.99
  • Rear Brake Master Cylinder Repair Kit Fits Honda CR 250 1987-2001 – 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 CR 250 1987-2001

    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
  • Front Brake Master Cylinder Repair Kit Fits Suzuki TL 1000 1997-2001
    £23.97 - £23.97
    £23.97
    £23.97 - £23.97
    £23.97

    Front Brake Master Cylinder Repair Kit Fits Suzuki TL 1000 1997-2001

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

    £23.97 - £23.97
    £23.97
    £23.97 - £23.97
    £23.97
  • £26.97 - £26.97
    £26.97
    £26.97 - £26.97
    £26.97

    Front Brake Master Cylinder Repair Kit Fits Kawasaki KH 400 1976-1977

    Kawasaki OD=15.80mm, Length=52.00mm

    £26.97 - £26.97
    £26.97
    £26.97 - £26.97
    £26.97
  • Front Brake Master Cylinder Repair Kit Fits Honda NH 90 1991-1992
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99

    Front Brake Master Cylinder Repair Kit Fits Honda NH 90 1991-1992

    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...

    Afficher tous les détails
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99
  • Front Brake Master Cylinder Repair Kit Fits Kawasaki Ninja 250 2008-2012
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki Ninja 250 2008-2012

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

    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99
  • Rear Brake Master Cylinder Repair Kit Fits Yamaha XT 600 1988-1990
    £33.99 - £33.99
    £33.99
    £33.99 - £33.99
    £33.99

    Rear Brake Master Cylinder Repair Kit Fits Yamaha XT 600 1988-1990

    *Yamaha OD=12.70mm, Length=37.00mm(Thread Length 23mm)

    £33.99 - £33.99
    £33.99
    £33.99 - £33.99
    £33.99
  • Front Brake Master Cylinder Repair Kit Fits Kawasaki KLX 140 2008-2014
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99

    Front Brake Master Cylinder Repair Kit Fits Kawasaki KLX 140 2008-2014

    Honda, Yamaha OD=11.00mm Length=50.00mm

    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99
  • £26.97 - £26.97
    £26.97
    £26.97 - £26.97
    £26.97

    Front Brake Master Cylinder Repair Kit Fits Kawasaki H2 B Mach 1974

    Kawasaki OD=15.80mm, Length=52.00mm

    £26.97 - £26.97
    £26.97
    £26.97 - £26.97
    £26.97
  • Front Brake Master Cylinder Repair Kit Fits Honda CRF 150 2007-2014 – 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 CRF 150 2007-2014

    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
  • Rear Brake Master Cylinder Repair Kit Fits Honda TRX 650 2003-2005 – 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 TRX 650 2003-2005

    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 CB 750 1992-2001
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99

    Front Brake Master Cylinder Repair Kit Fits Honda CB 750 1992-2001

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

    Afficher tous les détails
    £38.99 - £38.99
    £38.99
    £38.99 - £38.99
    £38.99
  • Rear Brake Master Cylinder Repair Kit Fits Honda CBR 125 2004-2011 – 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 CBR 125 2004-2011

    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 Suzuki GN 250 1985-1999
    £23.99 - £23.99
    £23.99
    £23.99 - £23.99
    £23.99

    Front Brake Master Cylinder Repair Kit Fits Suzuki GN 250 1985-1999

    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 125 1985-1989
    £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99

    Front Brake Master Cylinder Repair Kit Fits Yamaha YZ 125 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 Yamaha YZF 600 1996-2002
    £23.99 - £23.99
    £23.99
    £23.99 - £23.99
    £23.99

    Front Brake Master Cylinder Repair Kit Fits Yamaha YZF 600 1996-2002

    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 CR 250 1999-2007 – 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 1999-2007

    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 Honda CB 550 1977-1978 – 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 CB 550 1977-1978

    High-quality replacement motorcycle part OEM-compatible fitment Brand new – in stock in the UK Fast UK delivery Front Master Cylinder Repair Kit H...

    Afficher tous les détails
    £38.97 - £38.97
    £38.97
    £38.97 - £38.97
    £38.97