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Cylinder

(1059 products)
Motocross Cylinder kits Cylinder Heads and Pistons Camshafts and Valves Cylinder Gaskets Cylinder Accessories
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Camshaft & Timing Circlip Cooling System accessories Cylinder (alone) Cylinder accessories Cylinder base gasket Cylinder gasket set Cylinder head Cylinder head gasket Cylinder kit Engine bolts Piston Piston pin Piston pin bearing Piston ring Repair / maintenance kit Rocker arm gasket Valve cover gasket Valve stem gasket Valves & Accessories
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Airsal Athena Hot Cams Malossi Moose Racing MotoForce Naraku Prox Stage6 Standard Parts Top Performances Vertex Wiseco Wössner Yamaha
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Prox
Piston Prox size A YZF 450 2023 standard compression
Article no.: PROX-01.2453.A

Piston Prox size A YZF 450 2023 standard compression

209,00 €
Ready for dispatch shortly
Vertex
Piston Vertex size A YZF 450 2023 standard compression
Article no.: VX-24638A

Piston Vertex size A YZF 450 2023 standard compression

200,00 €
Ready for dispatch shortly
Prox
Piston Prox size C YZ 125 after 2022
Article no.: PROX-01.2232.C

Piston Prox size C YZ 125 after 2022

130,00 €
Ready for dispatch shortly
Prox
Piston Prox size A YZ 125 after 2022
Article no.: PROX-01.2232.A

Piston Prox size A YZ 125 after 2022

130,00 €
Ready for dispatch shortly
Vertex
Piston Vertex size C Beta RR 125
Article no.: VX-24383C

Piston Vertex size C Beta RR 125

147,00 €
Ready for dispatch shortly
Vertex
Piston Vertex size A Beta RR 125
Article no.: VX-24383A

Piston Vertex size A Beta RR 125

147,00 €
Ready for dispatch shortly
Prox
Piston Prox size C Beta RR 430 after 2015
Article no.: PROX-01.7415.C

Piston Prox size C Beta RR 430 after 2015

241,00 €
Ready for dispatch shortly
Prox
Piston Prox size A Beta RR 430 after 2015
Article no.: PROX-01.7415.A

Piston Prox size A Beta RR 430 after 2015

241,00 €
Ready for dispatch shortly
Prox
Piston Prox size C KX 250 2023
Article no.: PROX-01.4353.C

Piston Prox size C KX 250 2023

198,00 €
Ready for dispatch shortly
Prox
Piston Prox size B KX 250 2023
Article no.: PROX-01.4353.B

Piston Prox size B KX 250 2023

198,00 €
Ready for dispatch shortly
Prox
Piston Prox size A KX 250 2023
Article no.: PROX-01.4353.A

Piston Prox size A KX 250 2023

198,00 €
Ready for dispatch shortly
Prox
Piston Prox size C KX 250 2021-2022
Article no.: PROX-01.4351.C

Piston Prox size C KX 250 2021-2022

190,00 €
Ready for dispatch shortly
Prox
Piston Prox size B KX 250 2021-2022
Article no.: PROX-01.4351.B

Piston Prox size B KX 250 2021-2022

190,00 €
Ready for dispatch shortly
Prox
Piston Prox size A KX 250 2021-2022
Article no.: PROX-01.4351.A

Piston Prox size A KX 250 2021-2022

190,00 €
Ready for dispatch shortly
Prox
Valve Stem Seal Prox SX-F / FC 350
Article no.: PROX-35.VS029

Valve Stem Seal Prox SX-F / FC 350

3,40 €
Ready for dispatch shortly
Prox
Intake Valves Prox Titan FC / SX-F 450 after 2019
Article no.: PROX-28.6419-2

Intake Valves Prox Titan FC / SX-F 450 after 2019

91,50 €
Ready for dispatch shortly
Prox
Exhaust Valves Prox Titan FC / SX-F 450 after 2019
Article no.: PROX-28.6419-1

Exhaust Valves Prox Titan FC / SX-F 450 after 2019

91,50 €
Ready for dispatch shortly
Prox
Piston cast 53,95mm size A YZ 125 1997-2001
Article no.: PROX-PX7215A

Piston cast 53,95mm size A YZ 125 1997-2001

120,00 €
Ready for dispatch shortly
Prox
Piston cast 66,38mm size D YZ 250 after 1999
Article no.: PROX-PX7130D

Piston cast 66,38mm size D YZ 250 after 1999

147,00 €
Ready for dispatch shortly
Prox
Piston cast 66,36mm size B YZ 250 after 1999
Article no.: PROX-PX7130B

Piston cast 66,36mm size B YZ 250 after 1999

147,00 €
Ready for dispatch shortly
Prox
Piston cast 46,94mm size B YZ 80 after 1993
Article no.: PROX-PX7109B

Piston cast 46,94mm size B YZ 80 after 1993

90,00 €
Ready for dispatch shortly
Prox
Piston cast 53,95mm size B RM 125 2000-2003
Article no.: PROX-PX5060B

Piston cast 53,95mm size B RM 125 2000-2003

120,00 €
Ready for dispatch shortly
Prox
Piston cast 66,35mm size A1 Honda CR 250 1998-2001 / Husqvarna WR 250
Article no.: PROX-PX4430B

Piston cast 66,35mm size A1 Honda CR 250 1998-2001 / Husqvarna WR 250

147,00 €
Ready for dispatch shortly
Prox
Piston cast 66,34mm size A Honda CR 250 1998-2001 / Husqvarna WR 250
Article no.: PROX-PX4430A

Piston cast 66,34mm size A Honda CR 250 1998-2001 / Husqvarna WR 250

147,00 €
Ready for dispatch shortly
Prox
Piston cast 66,36mm size A2 CR 250 before 1996
Article no.: PROX-PX4420C

Piston cast 66,36mm size A2 CR 250 before 1996

147,00 €
Ready for dispatch shortly
Prox
Piston cast 66,35mm size A1 CR 250 before 1996
Article no.: PROX-PX4420B

Piston cast 66,35mm size A1 CR 250 before 1996

147,00 €
Ready for dispatch shortly
Prox
Piston cast 66,34mm size A CR 250 before 1996
Article no.: PROX-PX4420A

Piston cast 66,34mm size A CR 250 before 1996

147,00 €
Ready for dispatch shortly
Prox
Piston cast 85,95mm size B KX 500
Article no.: PROX-PX4330B

Piston cast 85,95mm size B KX 500

181,00 €
Ready for dispatch shortly
Prox
Piston cast 66,35mm size B KX 250 1993-2004
Article no.: PROX-PX4308B

Piston cast 66,35mm size B KX 250 1993-2004

155,00 €
Ready for dispatch shortly
Prox
Piston cast 53,97mm size C KX 125 1995-1997
Article no.: PROX-PX4296C

Piston cast 53,97mm size C KX 125 1995-1997

127,00 €
Ready for dispatch shortly
Prox
Piston cast 53,96mm size B KX 125 1995-1997
Article no.: PROX-PX4296B

Piston cast 53,96mm size B KX 125 1995-1997

127,00 €
Ready for dispatch shortly
Prox
Piston cast 48,46mm size B KX 85 before 2013 and from 2022
Article no.: PROX-PX4281B

Piston cast 48,46mm size B KX 85 before 2013 and from 2022

90,00 €
Ready for dispatch shortly
Prox
Piston cast 47,94mm size A KX 80
Article no.: PROX-PX4280A

Piston cast 47,94mm size A KX 80

90,00 €
Ready for dispatch shortly
Prox
Piston cast 53,96mm size A3 Honda CR / Husqvarna WRE 125
Article no.: PROX-PX4260C

Piston cast 53,96mm size A3 Honda CR / Husqvarna WRE 125

120,00 €
Ready for dispatch shortly
Prox
Piston cast 53,95mm size A2 Honda CR / Husqvarna WRE 125
Article no.: PROX-PX4260B

Piston cast 53,95mm size A2 Honda CR / Husqvarna WRE 125

120,00 €
Ready for dispatch shortly
Prox
Piston cast 53,94mm size A1 Honda CR / Husqvarna WRE 125
Article no.: PROX-PX4260A

Piston cast 53,94mm size A1 Honda CR / Husqvarna WRE 125

120,00 €
Ready for dispatch shortly
Prox
Piston cast 53,96mm size A 125 KX 2001-2002
Article no.: PROX-PX4221A

Piston cast 53,96mm size A 125 KX 2001-2002

120,00 €
Ready for dispatch shortly
Prox
Piston cast 89,75mm +0,75mm CR 500
Article no.: PROX-PX4043

Piston cast 89,75mm +0,75mm CR 500

181,00 €
Ready for dispatch shortly
Prox
Piston cast 89,00mm STANDARD CR 500
Article no.: PROX-PX4040

Piston cast 89,00mm STANDARD CR 500

181,00 €
Ready for dispatch shortly
Prox
Piston cast 86,00mm +1,00mm XR 400
Article no.: PROX-PX2504

Piston cast 86,00mm +1,00mm XR 400

150,00 €
Ready for dispatch shortly
Prox
Piston cast 85,50mm +0,50mm XR 400
Article no.: PROX-PX2502

Piston cast 85,50mm +0,50mm XR 400

150,00 €
Ready for dispatch shortly
Prox
Piston cast 85,25mm +0,25mm XR 400
Article no.: PROX-PX2501

Piston cast 85,25mm +0,25mm XR 400

150,00 €
Ready for dispatch shortly
Prox
Piston cast 53,95mm size B YZ 125 2002-2004
Article no.: PROX-PX2222B

Piston cast 53,95mm size B YZ 125 2002-2004

120,00 €
Ready for dispatch shortly
Prox
Piston cast 53,95mm size A YZ 125 2002-2004
Article no.: PROX-PX2222A

Piston cast 53,95mm size A YZ 125 2002-2004

120,00 €
Ready for dispatch shortly
Prox
Piston cast 47,45mm size B YZ 85 2002-2015
Article no.: PROX-PX2112B

Piston cast 47,45mm size B YZ 85 2002-2015

90,00 €
Ready for dispatch shortly
Prox
Piston cast 47,44mm size A YZ 85 2002-2015
Article no.: PROX-PX2112A

Piston cast 47,44mm size A YZ 85 2002-2015

90,00 €
Ready for dispatch shortly
Prox
Piston cast 66,36mm size C CR 250 2002-2004
Article no.: PROX-PX1322C

Piston cast 66,36mm size C CR 250 2002-2004

147,00 €
Ready for dispatch shortly
Prox
Gasket Set top end Prox EXC-F 350 after 2019
Article no.: PROX-09347151

Gasket Set top end Prox EXC-F 350 after 2019

90,00 €
Ready for dispatch shortly
Prox
Gasket Set top end Prox 250 SX after 2017
Article no.: PROX-09347150

Gasket Set top end Prox 250 SX after 2017

73,00 €
Ready for dispatch shortly
Prox
Gasket Set top end Prox 250 SXF after 2016
Article no.: PROX-09347149

Gasket Set top end Prox 250 SXF after 2016

87,00 €
Ready for dispatch shortly
Prox
Gasket Set top end Prox SX / TC 85 after 2018
Article no.: PROX-09347146

Gasket Set top end Prox SX / TC 85 after 2018

37,00 €
Ready for dispatch shortly
Prox
Gasket Set top end Prox KX 450 after 2019
Article no.: PROX-09347140

Gasket Set top end Prox KX 450 after 2019

83,00 €
Ready for dispatch shortly
Prox
Gasket Set top end Prox KXF 450 2016-2018
Article no.: PROX-09347139

Gasket Set top end Prox KXF 450 2016-2018

96,00 €
Ready for dispatch shortly
Prox
Gasket Set top end Prox KXF 250 2017-2018
Article no.: PROX-09347138

Gasket Set top end Prox KXF 250 2017-2018

82,00 €
Ready for dispatch shortly
Prox
Gasket Set top end Prox YZF 450 2014-2017
Article no.: PROX-09347128

Gasket Set top end Prox YZF 450 2014-2017

67,00 €
Ready for dispatch shortly
Prox
Gasket Set top end Prox YZF 250 after 2019
Article no.: PROX-09347127

Gasket Set top end Prox YZF 250 after 2019

73,00 €
Ready for dispatch shortly
Prox
Gasket Set top end Prox YZ 85 after 2019
Article no.: PROX-09347123

Gasket Set top end Prox YZ 85 after 2019

33,00 €
Ready for dispatch shortly
Prox
Gasket Set top end Prox PW 50
Article no.: PROX-09347119

Gasket Set top end Prox PW 50

20,00 €
Ready for dispatch shortly
Prox
Gasket Set top end Prox CRF 450 2019-2020
Article no.: PROX-09347111

Gasket Set top end Prox CRF 450 2019-2020

83,00 €
Ready for dispatch shortly
Prox
Gasket Set top end Prox CRF 250 after 2018
Article no.: PROX-09347108

Gasket Set top end Prox CRF 250 after 2018

74,00 €
Ready for dispatch shortly
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The cylinder - the heart of the engine

The cylinder with piston and cylinder head is the heart of an engine. The piston stroke generated in the cylinder produces a rotary motion via the crankshaft, which is ultimately transmitted to the wheel and thus causes the two-wheeler to move. In combination with and with the help of the other components important for the function of the engine, such as the crankshaft, carburetor, intake system, transmission, ignition and exhaust, the cylinder performs the 2-stroke movement. In the first step, compression and combustion of the fuel-air mixture takes place. In the second step, the exhaust gases produced during combustion escape and pre-compressed fresh gas is drawn in. Bore (inner diameter of the piston track) and stroke (distance between top and bottom dead center) are the parameters that ultimately determine the displacement of an engine.

Major brands such as Motoforce, MXS Racing, Stage6, Top Performances, Bidalot, Airsal, Polini, Metrakit and 2Fast produce cylinders with displacements ranging from 50cc to 90cc.

huge selection of cylinders

Since cylinders are among the most relevant components, we carry an extremely wide selection of cylinders in all price ranges, for a hige variety of engines and for every conceivable application. The kits are always supplied with piston, piston ring(s) and circlips and usually also with cylinder head and the gaskets required for installation.

We sell OEM quality 50cc cylinders that replace the original cylinder fitted by the manufacturer as standard, normally with a slight increase in power. These kits are street-legal and can be used legally on public roads. The 49cc cylinders offer excellent value for money.

For all riders who need more power, we can offer Sport, Racing or High-End cylinders in cast iron or aluminum. Tuning cylinders are available in every price range from many different manufacturers:

and many many more.

In our catalog you will of course also find extremely powerful cylinders 70ccm and even higher, which are clearly intended for racing. Outside of race tracks you better not be seen with these extremely powerful kits!

Our cylinders are available for (almost) all scooters, mopeds and 50cc motorcycles / supermotos available on the market, no matter if it is an older or a brand new model.

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