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Cylinder

(888 products)
Motocross Cylinder kits Cylinder Heads and Pistons Camshafts and Valves Cylinder Gaskets Cylinder Accessories
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Camshaft & Timing Circlip Cylinder (alone) Cylinder accessories Cylinder base gasket Cylinder gasket set Cylinder head gasket Cylinder kit Needle bearing Piston Piston ring Repair / maintenance kit Temperature sensor Valve cover gasket Valve stem gasket Valves & Accessories Exhaust valve Hose connection Intake valve Nut Valve shim
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Airsal Athena Hot Cams Moose Racing MotoForce Naraku Prox Stage6 Standard Parts Top Performances Vertex Wössner Yamaha
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Moose Racing
Cylinder standard Moose Racing FC 250
Article no.: MR09310879

Cylinder standard Moose Racing FC 250

492,00 €
Currently not in stock
Moose Racing
Cylinder standard Moose Racing CRF 250 2018-2021
Article no.: MR09310878

Cylinder standard Moose Racing CRF 250 2018-2021

325,00 €
Currently not in stock
Moose Racing
Cylinder standard Moose Racing SX-F 350
Article no.: MR09310627

Cylinder standard Moose Racing SX-F 350

469,00 €
Currently not in stock
Moose Racing
Cylinder standard Moose Racing KXF 450
Article no.: MR09310625

Cylinder standard Moose Racing KXF 450

378,00 €
Currently not in stock
Moose Racing
Cylinder standard Moose Racing KX 85
Article no.: MR09310623

Cylinder standard Moose Racing KX 85

508,00 €
Currently not in stock
Moose Racing
Cylinder standard Moose Racing DR-Z 400
Article no.: MR09310460

Cylinder standard Moose Racing DR-Z 400

383,00 €
Currently not in stock
Moose Racing
Cylinder standard Moose Racing KXF 250 2011-2016
Article no.: MR09310459

Cylinder standard Moose Racing KXF 250 2011-2016

366,00 €
Currently not in stock
Moose Racing
Cylinder standard Moose Racing WRF 450
Article no.: MR09310452

Cylinder standard Moose Racing WRF 450

357,00 €
Currently not in stock
Moose Racing
Cylinder standard Moose Racing YZF 250
Article no.: MR09310451

Cylinder standard Moose Racing YZF 250

346,00 €
Currently not in stock
Moose Racing
Cylinder standard Moose Racing YZF 450 2003-2005
Article no.: MR09310450

Cylinder standard Moose Racing YZF 450 2003-2005

357,00 €
Currently not in stock
Moose Racing
Cylinder standard Moose Racing CRF 250 2010-2017
Article no.: MR09310447

Cylinder standard Moose Racing CRF 250 2010-2017

355,00 €
Currently not in stock
Moose Racing
Cylinder standard Moose Racing CRF 450 2002-2008
Article no.: MR09310442

Cylinder standard Moose Racing CRF 450 2002-2008

350,00 €
Currently not in stock
Moose Racing
Piston circlip Moose Racing CRF / RM-Z 450
Article no.: MR09130072

Piston circlip Moose Racing CRF / RM-Z 450

5,00 €
Currently not in stock
Moose Racing
Piston rings Moose Racing FC / SX-F 450
Article no.: MR09120603

Piston rings Moose Racing FC / SX-F 450

39,50 €
Currently not in stock
Moose Racing
Cylinder Gasket Set Moose Racing SX-F 450
Article no.: MR09341442

Cylinder Gasket Set Moose Racing SX-F 450

62,50 €
Currently not in stock
Moose Racing
Cylinder Gasket Set Moose Racing CRF 450
Article no.: MR09341441

Cylinder Gasket Set Moose Racing CRF 450

67,50 €
Currently not in stock
Moose Racing
Cylinder Gasket Set Moose Racing RM-Z 250
Article no.: MR09341269

Cylinder Gasket Set Moose Racing RM-Z 250

60,50 €
Currently not in stock
Moose Racing
Cylinder Gasket Set Moose Racing SX-F 250
Article no.: MR09341009

Cylinder Gasket Set Moose Racing SX-F 250

65,50 €
Currently not in stock
Moose Racing
Cylinder Gasket Set Moose Racing KXF 450
Article no.: MR09341001

Cylinder Gasket Set Moose Racing KXF 450

63,50 €
Currently not in stock
Moose Racing
Cylinder Gasket Set Moose Racing RM 250 2006-2008
Article no.: MR09340973

Cylinder Gasket Set Moose Racing RM 250 2006-2008

39,50 €
Currently not in stock
Moose Racing
Cylinder Gasket Set Moose Racing RM-Z 450
Article no.: MR09340870

Cylinder Gasket Set Moose Racing RM-Z 450

63,50 €
Currently not in stock
Moose Racing
Cylinder Gasket Set Moose Racing RM 250 1991
Article no.: MR09340868

Cylinder Gasket Set Moose Racing RM 250 1991

30,50 €
Currently not in stock
Moose Racing
Cylinder Gasket Set Moose Racing SX 85
Article no.: MR09340867

Cylinder Gasket Set Moose Racing SX 85

21,50 €
Currently not in stock
Moose Racing
Cylinder Gasket Set Moose Racing EXC / SX 525
Article no.: MR09340628

Cylinder Gasket Set Moose Racing EXC / SX 525

74,50 €
Currently not in stock
Moose Racing
Cylinder Gasket Set Moose Racing EXC / SMR 450
Article no.: MR09340627

Cylinder Gasket Set Moose Racing EXC / SMR 450

80,50 €
Currently not in stock
Moose Racing
Cylinder Gasket Set Moose Racing RM 125
Article no.: MR09340486

Cylinder Gasket Set Moose Racing RM 125

26,50 €
Currently not in stock
Moose Racing
Cylinder Gasket Set Moose Racing EXC / SX 200
Article no.: MR09340468

Cylinder Gasket Set Moose Racing EXC / SX 200

27,50 €
Currently not in stock
Moose Racing
Cylinder Gasket Set Moose Racing KX 250 2005-2008
Article no.: MR09340462

Cylinder Gasket Set Moose Racing KX 250 2005-2008

28,00 €
Currently not in stock
Moose Racing
Cylinder Gasket Set Moose Racing CR 250
Article no.: MR09340457

Cylinder Gasket Set Moose Racing CR 250

43,00 €
Currently not in stock
Moose Racing
Cylinder Gasket Set Moose Racing CR 125
Article no.: MR09340448

Cylinder Gasket Set Moose Racing CR 125

38,00 €
Currently not in stock
Moose Racing
Cylinder Gasket Set Moose Racing CR 85 2005-2007
Article no.: MR09340445

Cylinder Gasket Set Moose Racing CR 85 2005-2007

27,00 €
Currently not in stock
Moose Racing
Cylinder Gasket Set Moose Racing KX 250 2004
Article no.: MR09340333

Cylinder Gasket Set Moose Racing KX 250 2004

35,50 €
Currently not in stock
Moose Racing
Cylinder Gasket Set Moose Racing RM 250 2003-2005
Article no.: MR09340282

Cylinder Gasket Set Moose Racing RM 250 2003-2005

38,00 €
Currently not in stock
Moose Racing
Cylinder Gasket Set Moose Racing KXF / RM-Z 250
Article no.: MR09340276

Cylinder Gasket Set Moose Racing KXF / RM-Z 250

56,50 €
Currently not in stock
Moose Racing
Cylinder Gasket Set Moose Racing SX 50
Article no.: MR09340264

Cylinder Gasket Set Moose Racing SX 50

15,00 €
Currently not in stock
Moose Racing
Cylinder Gasket Set Moose Racing CR 85 2003-2004
Article no.: MR09340263

Cylinder Gasket Set Moose Racing CR 85 2003-2004

22,00 €
Currently not in stock
Moose Racing
Cylinder Gasket Set Moose Racing YZF 450 2003-2005
Article no.: MR09340081

Cylinder Gasket Set Moose Racing YZF 450 2003-2005

55,00 €
Currently not in stock
Moose Racing
Cylinder Gasket Set Moose Racing PW 50
Article no.: MR09340078

Cylinder Gasket Set Moose Racing PW 50

11,50 €
Currently not in stock
Moose Racing
Cylinder Gasket Set Moose Racing KX 125 2003-2005
Article no.: MR09340072

Cylinder Gasket Set Moose Racing KX 125 2003-2005

32,50 €
Currently not in stock
Moose Racing
Cylinder Gasket Set Moose Racing CRF 250
Article no.: MR09340071

Cylinder Gasket Set Moose Racing CRF 250

64,50 €
Currently not in stock
Athena
Cylinder Gasket Set EXC 250 / TE 300
Article no.: AT-P400270600099

Cylinder Gasket Set EXC 250 / TE 300

54,00 €
Currently not in stock
67,00 €
-19% Discount
Prox
Piston Prox size C Beta RR 390 after 2015
Article no.: PROX-01.7365.C

Piston Prox size C Beta RR 390 after 2015

233,00 €
Currently not in stock
Athena
Cylinder Gasket Set Yamaha YZF 250 after 2019 Athena Race
Article no.: AT-09346371

Cylinder Gasket Set Yamaha YZF 250 after 2019 Athena Race

43,50 €
Currently not in stock
60,00 €
-28% Discount
Athena
Cylinder Gasket Set Athena Race Yamaha YZ 65
Article no.: AT-09346369

Cylinder Gasket Set Athena Race Yamaha YZ 65

13,00 €
Currently not in stock
Athena
Gasket Kit top end Husqvarna FC 350
Article no.: AT-09346367

Gasket Kit top end Husqvarna FC 350

57,00 €
Currently not in stock
63,00 €
-10% Discount
Athena
Cylinder Gasket Set Athena Race Honda CRF 250 2018-2021
Article no.: AT-09346365

Cylinder Gasket Set Athena Race Honda CRF 250 2018-2021

56,00 €
Currently not in stock
62,00 €
-10% Discount
Athena
Cylinder Gasket Set Yamaha YZF 250 after 2019
Article no.: AT-09346361

Cylinder Gasket Set Yamaha YZF 250 after 2019

64,00 €
Currently not in stock
71,00 €
-10% Discount
Athena
Cylinder Gasket Set Yamaha YZ 65 2018
Article no.: AT-09346357

Cylinder Gasket Set Yamaha YZ 65 2018

25,50 €
Currently not in stock
Athena
Gasket Kit top end Honda CRF 450
Article no.: AT-09346348

Gasket Kit top end Honda CRF 450

59,50 €
Currently not in stock
69,00 €
-14% Discount
Athena
Cylinder Gasket Set Honda CRF 250 2018-2021
Article no.: AT-09346346

Cylinder Gasket Set Honda CRF 250 2018-2021

67,00 €
Currently not in stock
74,00 €
-9% Discount
Athena
Cylinder Gasket Set Yamaha YZF 450 2018-2019
Article no.: AT-09346215

Cylinder Gasket Set Yamaha YZF 450 2018-2019

61,00 €
Currently not in stock
68,00 €
-10% Discount
Athena
Cylinder Base Gasket YZF 450
Article no.: AT-09346212

Cylinder Base Gasket YZF 450

21,00 €
Currently not in stock
Athena
Cylinder Head Gasket RMZ 450
Article no.: AT-09346207

Cylinder Head Gasket RMZ 450

18,20 €
Currently not in stock
Athena
Cylinder Base Gasket 0,25mm CRF 250
Article no.: AT-09346204

Cylinder Base Gasket 0,25mm CRF 250

26,00 €
Currently not in stock
Athena
Cylinder Base Gasket 0,30mm CRF 250
Article no.: AT-09346203

Cylinder Base Gasket 0,30mm CRF 250

26,00 €
Currently not in stock
Athena
Cylinder Base Gasket CRF 250 (standard)
Article no.: AT-09346202

Cylinder Base Gasket CRF 250 (standard)

12,50 €
Currently not in stock
Athena
Cylinder Gasket Set KTM 85 after 2018
Article no.: AT-09346189

Cylinder Gasket Set KTM 85 after 2018

42,50 €
Currently not in stock
47,50 €
-11% Discount
Athena
Gasket Kit top end SX 50 / 65
Article no.: AT-09345985

Gasket Kit top end SX 50 / 65

20,00 €
Currently not in stock
Athena
Cylinder Gasket Set Kawasaki KXF 250 2017-2020
Article no.: AT-09345484

Cylinder Gasket Set Kawasaki KXF 250 2017-2020

60,00 €
Currently not in stock
74,00 €
-19% Discount
Athena
Cylinder Gasket Set FC / SX-F 450 after 2016
Article no.: AT-09345479

Cylinder Gasket Set FC / SX-F 450 after 2016

47,00 €
Currently not in stock
52,00 €
-10% Discount
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Motocross Cylinders

In the motocross sector, you will find numerous two-stroke models as well as many four-stroke engines. In the former, the cylinder itself handles the fuel mixture control. Although upgrades and repairs to this engine type are mechanically relatively simple, it is not always easy to achieve optimal performance.

In models for adults, many four-stroke engines are found due to emission standards and performance requirements. In these cases, the cylinder head with the camshafts and other components handle the control and determine the power output. This mechanics is somewhat more complex for beginners.

In our online shop, you will find all parts and accessories for cylinders of the most popular models: KTM EXC and SX, Yamaha YZ, Honda CR and CRF, Kawasaki KX, Beta RR Enduro etc. We carry products for displacement classes ranging from 50cc to 500cc.

Cylinder kit

The cylinder of a motocross 2-stroke machine is often very powerful right from the factory, comparable to a racing cylinder in the 50cc range. Therefore, you will rarely find cylinder kits with increased displacement, but you will find some Athena kits with optimized transfer ports or improved exhaust valve systems.

For four-stroke engines, you will find Big Bore kits with a larger bore for increased displacement. Note: here, the carburetor or injection system must also be readjusted! This is not plug & play...

Pistons, cylinder heads, camshafts, and valves

When doing restorations or repairs, it is not always necessary to replace the entire cylinder. That is why we also offer individual original pistons as well as pistons for tuning kits and matching cylinder heads.

Here as well, you will find high-quality racing parts as well as standard parts in OEM quality or suitable replicas at affordable prices.

Note: If you want to tune a four-stroke engine, you will find the parts with the greatest influence on performance in these two subcategories, such as Stage 1 and Stage 2 camshafts from Hot Cams.

Gaskets

For every cylinder kit, we offer individual gaskets as well as complete gasket sets to carry out repairs cost-effectively. If you are looking for the right gaskets for a specific cylinder (for example, for a 144cc or 300cc Athena kit), you can visit the corresponding product page of the cylinder and find the matching replacement gaskets under spare parts.

Accessories

The mechanics of a motocross bike is full of surprises, so more specific components often need to be replaced. In the accessories subcategory for cylinder section, we offer many useful small parts: cylinder studs, temperature sensors, various fittings, screws, spacers, base gaskets, and more.

Brands and manufacturers

To offer you high-quality parts, we work with well-known brands.

For tuning or simple repairs, we trust well-known brands from the MX world: Athena, ProX, Moose Racing, as well as many others.

Navigation and helpful tips

While browsing the various categories of our online shop, you will find many details and tips at the bottom of the page. It is worth reading these so you can make your order with the help of some important information.

FAQ – Frequently asked questions about motocross cylinder kits

⇒ When should I replace the piston?

If the engine loses power but still runs cleanly, the piston is likely worn. The replacement interval depends on the engine type: the higher the RPM and the more intensive the use, the more often the piston should be replaced. We recommend a maximum of 10 to 15 hours for small two-strokes up to 125cc, and 25 to 30 hours for 250cc and above. In the Enduro sector, where the engine is used more moderately, these values naturally increase. For a four-stroke engine, we recommend 50 hours for 250cc models and slightly more for 450cc models, as these reach lower RPMs.

NOTE: Always follow the manufacturer's user manual. All maintenance intervals are precisely listed there.

⇒ When should the cylinder be replaced?

Common signs of wear include scoring in the cylinder wall, ovality exceeding 0.1 mm, damaged transfer ports, or a severe piston seizure.

⇒ Why did my engine seize (piston seizure) and how can this be avoided?

A piston seizure usually occurs when the piston overheats and gets stuck in the cylinder wall. This can be avoided through proper maintenance, a correctly adjusted carburetor, a clean air filter, and high-quality oil.

Prevention: correctly adjust the carburetor or injection system, use high-quality oil, perform regular maintenance, let the engine warm up for 2 to 3 minutes before riding, and regularly clean the air filter.

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