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Fuel Caps

Motorcycle fuel caps provide a secure seal for your fuel tank while helping to prevent fuel contamination, leaks and theft. Whether you're replacing a lost fuel cap, repairing a damaged locking mechanism or restoring a motorcycle, choosing the correct fuel cap ensures a safe and reliable fit.

At OnlineMoto Parts, we stock a wide range of replacement motorcycle fuel caps for Japanese and European motorcycles. Our selection includes standard replacement fuel caps, locking fuel caps and model-specific fuel tank cap assemblies suitable for many popular motorcycle makes and models.

Designed to meet or exceed original equipment standards, our fuel caps provide dependable performance and help keep your fuel system protected from dirt, moisture and debris. Use our vehicle finder to locate the correct fuel cap for your motorcycle.

Browse our range of motorcycle fuel caps today with fast UK dispatch and trusted UK customer support.

  • Fuel Cap Fits Yamaha RD 350 LC 1980-1983
    £20.99 - £20.99
    £20.99
    £20.99 - £20.99
    £20.99

    Fuel Cap Fits Yamaha RD 350 LC 1980-1983

    Petrol Cap Yamaha RD125-350LC, DR350 40mm

    £20.99 - £20.99
    £20.99
    £20.99 - £20.99
    £20.99
  • £47.97 - £47.97
    £47.97
    £47.97 - £47.97
    £47.97

    Fuel Cap Fits Suzuki GSX-R 1100 K (SACS) (Slingshot) (GU73A) 1989-1992

    Petrol Cap Suzuki GSX600F, GSXR 62mm

    £47.97 - £47.97
    £47.97
    £47.97 - £47.97
    £47.97
  • £50.99 - £50.99
    £50.99
    £50.99 - £50.99
    £50.99

    Fuel Cap Fits Kawasaki (K)Z 440 D1 1980-1983

    Petrol Cap Kawasaki Z400-Z1000 79-84 OE Ref 51048-1018

    £50.99 - £50.99
    £50.99
    £50.99 - £50.99
    £50.99
  • Fuel Cap Fits Yamaha XC 125 TR Cygnus (4THK) 1999-2001
    £18.99 - £18.99
    £18.99
    £18.99 - £18.99
    £18.99

    Fuel Cap Fits Yamaha XC 125 TR Cygnus (4THK) 1999-2001

    Petrol Cap Locking 30mm Honda C50-C90, Tomos, FRs

    £18.99 - £18.99
    £18.99
    £18.99 - £18.99
    £18.99
  • £39.97 - £39.97
    £39.97
    £39.97 - £39.97
    £39.97

    Fuel Cap Fits Honda CBR 600 F(1)-H 1987-1990

    Petrol Cap Honda Push Lock Type OD 95mm peg at 12oclock

    £39.97 - £39.97
    £39.97
    £39.97 - £39.97
    £39.97
  • Fuel Cap Fits Yamaha FS1 DX (Disc) 1976-1981
    £20.99 - £20.99
    £20.99
    £20.99 - £20.99
    £20.99

    Fuel Cap Fits Yamaha FS1 DX (Disc) 1976-1981

    Petrol Cap Honda CB100N, CB125S 39mm

    £20.99 - £20.99
    £20.99
    £20.99 - £20.99
    £20.99
  • £19.97 - £19.97
    £19.97
    £19.97 - £19.97
    £19.97

    Fuel Cap Fits Honda CB 100 N 1978-1987

    Petrol Cap Honda CB100N, CB125S 39mm

    £19.97 - £19.97
    £19.97
    £19.97 - £19.97
    £19.97
  • £62.95 - £62.95
    £62.95
    £69.97
    £69.97 - £69.97
    £69.97

    Fuel Cap Fits Aprilia Pegaso 650 ie 2001-2004

    Petrol Cap Aprilia Aircraft style as fitted to RS125, RST1000

    £62.95 - £62.95
    £62.95
    £69.97
    £69.97 - £69.97
    £69.97
  • Fuel Cap Fits Yamaha FZX 700 S 1986-1987
    £50.99 - £50.99
    £50.99
    £50.99 - £50.99
    £50.99

    Fuel Cap Fits Yamaha FZX 700 S 1986-1987

    Petrol Cap Yamaha YPVS, FZ, TZR, FZR, YZF R6 62mm

    £50.99 - £50.99
    £50.99
    £50.99 - £50.99
    £50.99
  • Fuel Cap Fits Yamaha TW 200 2003
    £20.99 - £20.99
    £20.99
    £20.99 - £20.99
    £20.99

    Fuel Cap Fits Yamaha TW 200 2003

    Petrol Cap Yamaha RD125-350LC, DR350 40mm

    £20.99 - £20.99
    £20.99
    £20.99 - £20.99
    £20.99
  • Fuel Cap Fits Yamaha FS1 (Drum) 1974-1996
    £20.99 - £20.99
    £20.99
    £20.99 - £20.99
    £20.99

    Fuel Cap Fits Yamaha FS1 (Drum) 1974-1996

    Petrol Cap Honda CB100N, CB125S 39mm

    £20.99 - £20.99
    £20.99
    £20.99 - £20.99
    £20.99
  • £21.97 - £21.97
    £21.97
    £21.97 - £21.97
    £21.97

    Fuel Cap Fits Honda PX 50 1981-1986

    Petrol Cap Honda MTX50, MTX80 47mm

    £21.97 - £21.97
    £21.97
    £21.97 - £21.97
    £21.97
  • Fuel Cap Fits Yamaha YB 100 1973-1992
    £20.99 - £20.99
    £20.99
    £20.99 - £20.99
    £20.99

    Fuel Cap Fits Yamaha YB 100 1973-1992

    Petrol Cap Honda CB100N, CB125S 39mm

    £20.99 - £20.99
    £20.99
    £20.99 - £20.99
    £20.99
  • £78.97 - £78.97
    £78.97
    £78.97 - £78.97
    £78.97

    Fuel Cap Fits Honda CB 400/4 F Four 1975-1979

    Petrol Cap Honda CB200 to CB750

    £78.97 - £78.97
    £78.97
    £78.97 - £78.97
    £78.97
  • Fuel Cap Fits Yamaha RX 100 (2T) 1985-1996
    £21.97 - £21.97
    £21.97
    £21.97 - £21.97
    £21.97

    Fuel Cap Fits Yamaha RX 100 (2T) 1985-1996

    Petrol Cap Yamaha RXS100 50mm

    £21.97 - £21.97
    £21.97
    £21.97 - £21.97
    £21.97
  • Fuel Cap Fits Yamaha FZR 1000 R (EXUP) 1989-1995
    £53.97 - £53.97
    £53.97
    £53.97 - £53.97
    £53.97

    Fuel Cap Fits Yamaha FZR 1000 R (EXUP) 1989-1995

    Petrol Cap Yamaha YPVS, FZ, TZR, FZR, YZF R6 62mm

    £53.97 - £53.97
    £53.97
    £53.97 - £53.97
    £53.97
  • Fuel Cap Fits Honda NX 650 J Dominator 1988-1991
    £21.97 - £21.97
    £21.97
    £21.97 - £21.97
    £21.97

    Fuel Cap Fits Honda NX 650 J Dominator 1988-1991

    Petrol Cap Honda MTX125, Yamaha DT125R 57.50mm

    £21.97 - £21.97
    £21.97
    £21.97 - £21.97
    £21.97
  • Save 4% Save %
    £45.95
    £45.95 - £45.95
    £45.95
    £43.99
    £43.99 - £43.99
    £43.99

    Fuel Cap Fits Suzuki DR 800 S-M (SR43A) 1991-1997

    Petrol Cap Suzuki GSX600F, GSXR 62mm

    £45.95
    £45.95 - £45.95
    £45.95
    £43.99
    £43.99 - £43.99
    £43.99
    Save 4% Save %
  • £43.99 - £43.99
    £43.99
    £43.99 - £43.99
    £43.99

    Fuel Cap Fits Suzuki GSX 1100 GM (Naked) (Shaft) (Slingshot) (SACS) 1991-1994

    Petrol Cap Suzuki GSX600F, GSXR 62mm

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

    Fuel Cap Fits Suzuki GSX 600 FJ (GN72A) 1988-2004

    Petrol Cap Suzuki GSX600F, GSXR 62mm

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

    Fuel Cap Fits Suzuki GSX-R 1100 WP (L/C) (GU75A) 1993-1998

    Petrol Cap Suzuki GSX600F, GSXR 62mm

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

    Fuel Cap Fits Suzuki GSX-R 750 J (SACS) (Slingshot) (GR77A) 1988-1989

    Petrol Cap Suzuki GSX600F, GSXR 62mm

    £43.99 - £43.99
    £43.99
    £43.99 - £43.99
    £43.99
  • £21.97 - £21.97
    £21.97
    £21.97 - £21.97
    £21.97

    Fuel Cap Fits Honda XL 500 RC 1982

    Petrol Cap Honda MTX50, MTX80 47mm

    £21.97 - £21.97
    £21.97
    £21.97 - £21.97
    £21.97
  • £19.97 - £19.97
    £19.97
    £19.97 - £19.97
    £19.97

    Fuel Cap Fits Honda CD 250 UJ 1988-1989

    Petrol Cap Honda CB100N, CB125S 39mm

    £19.97 - £19.97
    £19.97
    £19.97 - £19.97
    £19.97
  • £31.97 - £31.97
    £31.97
    £31.97 - £31.97
    £31.97

    Fuel Cap Fits Honda FL 350 R Odyssey 1985-1987

    Petrol Cap Honda CB125TD, NS125, CG125 99-00 39mm 95mm Dia

    £31.97 - £31.97
    £31.97
    £31.97 - £31.97
    £31.97
  • Fuel Cap Fits Yamaha FJ 1200 (1TX) 1986-1992
    £50.99 - £50.99
    £50.99
    £50.99 - £50.99
    £50.99

    Fuel Cap Fits Yamaha FJ 1200 (1TX) 1986-1992

    Petrol Cap Yamaha YPVS, FZ, TZR, FZR, YZF R6 62mm

    £50.99 - £50.99
    £50.99
    £50.99 - £50.99
    £50.99
  • £19.97 - £19.97
    £19.97
    £19.97 - £19.97
    £19.97

    Fuel Cap Fits Honda CB 125 K1 1972-1976

    Petrol Cap Honda CB100N, CB125S 39mm

    £19.97 - £19.97
    £19.97
    £19.97 - £19.97
    £19.97
  • Save 4% Save %
    £45.95
    £45.95 - £45.95
    £45.95
    £43.99
    £43.99 - £43.99
    £43.99

    Fuel Cap Fits Suzuki GS 500 EL (GM51A) 1990-1998

    Petrol Cap Suzuki GSX600F, GSXR 62mm

    £45.95
    £45.95 - £45.95
    £45.95
    £43.99
    £43.99 - £43.99
    £43.99
    Save 4% Save %
  • £31.97 - £31.97
    £31.97
    £31.97 - £31.97
    £31.97

    Fuel Cap Fits Honda CM 125 CC Custom (Twin) 1982-1985

    Petrol Cap Honda CB125TD, NS125, CG125 99-00 39mm 95mm Dia

    £31.97 - £31.97
    £31.97
    £31.97 - £31.97
    £31.97
  • Fuel Cap Fits Yamaha SRX 600 (1XL) (Twin Shock) 1986-1989
    £50.99 - £50.99
    £50.99
    £50.99 - £50.99
    £50.99

    Fuel Cap Fits Yamaha SRX 600 (1XL) (Twin Shock) 1986-1989

    Petrol Cap Yamaha YPVS, FZ, TZR, FZR, YZF R6 62mm

    £50.99 - £50.99
    £50.99
    £50.99 - £50.99
    £50.99
  • £62.95 - £62.95
    £62.95
    £69.97
    £69.97 - £69.97
    £69.97

    Fuel Cap Fits Aprilia RS 125 2006-2009

    Petrol Cap Aprilia Aircraft style as fitted to RS125, RST1000

    £62.95 - £62.95
    £62.95
    £69.97
    £69.97 - £69.97
    £69.97
  • Fuel Cap Fits Yamaha TRX 850 (4UN1) 1996-1989
    £50.99 - £50.99
    £50.99
    £50.99 - £50.99
    £50.99

    Fuel Cap Fits Yamaha TRX 850 (4UN1) 1996-1989

    Petrol Cap Yamaha YPVS, FZ, TZR, FZR, YZF R6 62mm

    £50.99 - £50.99
    £50.99
    £50.99 - £50.99
    £50.99
  • £62.95 - £62.95
    £62.95
    £69.97
    £69.97 - £69.97
    £69.97

    Fuel Cap Fits Aprilia RS 125 Extrema 1999-2005

    Petrol Cap Aprilia Aircraft style as fitted to RS125, RST1000

    £62.95 - £62.95
    £62.95
    £69.97
    £69.97 - £69.97
    £69.97
  • £43.99 - £43.99
    £43.99
    £43.99 - £43.99
    £43.99

    Fuel Cap Fits Suzuki GSX 750 F-L (GR78A) 1990-2006

    Petrol Cap Suzuki GSX600F, GSXR 62mm

    £43.99 - £43.99
    £43.99
    £43.99 - £43.99
    £43.99
  • Fuel Cap Fits Yamaha YP 125 R X-Max (1B91) 2006-2008
    £18.99 - £18.99
    £18.99
    £18.99 - £18.99
    £18.99

    Fuel Cap Fits Yamaha YP 125 R X-Max (1B91) 2006-2008

    Petrol Cap Locking 30mm Honda C50-C90, Tomos, FRs

    £18.99 - £18.99
    £18.99
    £18.99 - £18.99
    £18.99
  • £19.97 - £19.97
    £19.97
    £19.97 - £19.97
    £19.97

    Fuel Cap Fits Honda CB 50 J 1978-1981

    Petrol Cap Honda CB100N, CB125S 39mm

    £19.97 - £19.97
    £19.97
    £19.97 - £19.97
    £19.97
  • Fuel Cap Fits Yamaha CY 50 D Jog-in (E/Start) 1992-1995
    £19.97 - £19.97
    £19.97
    £19.97 - £19.97
    £19.97

    Fuel Cap Fits Yamaha CY 50 D Jog-in (E/Start) 1992-1995

    Petrol Cap Locking 30mm Honda C50-C90, Tomos, FRs

    £19.97 - £19.97
    £19.97
    £19.97 - £19.97
    £19.97
  • £78.97 - £78.97
    £78.97
    £78.97 - £78.97
    £78.97

    Fuel Cap Fits Honda CB 500 T (Twin) 1974-1976

    Petrol Cap Honda CB200 to CB750

    £78.97 - £78.97
    £78.97
    £78.97 - £78.97
    £78.97
  • £19.97 - £19.97
    £19.97
    £19.97 - £19.97
    £19.97

    Fuel Cap Fits Honda XL 125 SZ (Drum Model) 1979-1982

    Petrol Cap Honda MT50, MB50, XLs 38.50mm

    £19.97 - £19.97
    £19.97
    £19.97 - £19.97
    £19.97
  • Fuel Cap Fits Yamaha DT 400 B (Twin Shock) 1975-1976
    £20.99 - £20.99
    £20.99
    £20.99 - £20.99
    £20.99

    Fuel Cap Fits Yamaha DT 400 B (Twin Shock) 1975-1976

    Petrol Cap Honda CB100N, CB125S 39mm

    £20.99 - £20.99
    £20.99
    £20.99 - £20.99
    £20.99
  • Fuel Cap Fits Yamaha DT 250 B (Twin Shock) 1975-1976
    £20.99 - £20.99
    £20.99
    £20.99 - £20.99
    £20.99

    Fuel Cap Fits Yamaha DT 250 B (Twin Shock) 1975-1976

    Petrol Cap Honda CB100N, CB125S 39mm

    £20.99 - £20.99
    £20.99
    £20.99 - £20.99
    £20.99
  • 0
    Fuel Cap Fits Honda XL 250 RE 1984-1987
    £20.99 - £20.99
    £20.99
    £20.99 - £20.99
    £20.99

    Fuel Cap Fits Honda XL 250 RE 1984-1987

    Petrol Cap Honda MTX125, Yamaha DT125R 57.50mm

    £20.99 - £20.99
    £20.99
    £20.99 - £20.99
    £20.99
  • £19.97 - £19.97
    £19.97
    £19.97 - £19.97
    £19.97

    Fuel Cap Fits Honda CG 125 K1 1977-1980

    Petrol Cap Honda CB100N, CB125S 39mm

    £19.97 - £19.97
    £19.97
    £19.97 - £19.97
    £19.97
  • Fuel Cap Fits Yamaha YQ 100 Aerox (5ME1) 2000-2002
    £31.97 - £31.97
    £31.97
    £31.97 - £31.97
    £31.97

    Fuel Cap Fits Yamaha YQ 100 Aerox (5ME1) 2000-2002

    Petrol Cap Yamaha YQ50 Aerox

    £31.97 - £31.97
    £31.97
    £31.97 - £31.97
    £31.97
  • £19.97 - £19.97
    £19.97
    £19.97 - £19.97
    £19.97

    Fuel Cap Fits Honda CG 125 B 1981-1984

    Petrol Cap Honda CB100N, CB125S 39mm

    £19.97 - £19.97
    £19.97
    £19.97 - £19.97
    £19.97
  • £50.99 - £50.99
    £50.99
    £50.99 - £50.99
    £50.99

    Fuel Cap Fits Kawasaki (K)Z 750 1980-1983

    Petrol Cap Kawasaki Z400-Z1000 79-84 OE Ref 51048-1018

    £50.99 - £50.99
    £50.99
    £50.99 - £50.99
    £50.99
  • £62.95 - £62.95
    £62.95
    £69.97
    £69.97 - £69.97
    £69.97

    Fuel Cap Fits Aprilia RSV 1000 Mille SP 1999-2000

    Petrol Cap Aprilia Aircraft style as fitted to RS125, RST1000

    £62.95 - £62.95
    £62.95
    £69.97
    £69.97 - £69.97
    £69.97
  • £78.97 - £78.97
    £78.97
    £78.97 - £78.97
    £78.97

    Fuel Cap Fits Honda CB 500 K0 'Four' 1971-1973

    Petrol Cap Honda CB200 to CB750

    £78.97 - £78.97
    £78.97
    £78.97 - £78.97
    £78.97