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Cylinder

(288 products)
50cc Bike Cylinder kits Cylinder Heads and Pistons Camshafts and Valves Cylinder Gaskets Cylinder Accessories
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Circlip Cylinder (alone) Cylinder accessories Cylinder base gasket Cylinder gasket set Cylinder head Cylinder head gasket Cylinder kit Cylinder spacer Engine gasket set Engine pack Exhaust gasket Piston Piston pin Piston ring Stud bolt Temperature sensor Cover Hose connection Nut O-ring Temperature sensor adapter Thermostat Water hose connection
Brand
2Fast Airsal Athena Barikit Bidalot CGN D.R. Derbi Doppler Italkit Malossi Mash Meteor Metrakit MotoForce MotoForce Racing MVT MXS Racing Naraku Parmakit Piaggio Polini Rieju RMS Stage6 Stage6 R/T Standard Parts Top Performances Voca Racing Yamaha YCF
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MVT
Cylinder Kit AM6 MVT Iron Pro Max 90 stroke 45mm
Article no.: MVT-IM112

Cylinder Kit AM6 MVT Iron Pro Max 90 stroke 45mm

169,00 €
In stock
RRP
199,00 €
-15% Discount
Polini
Piston Pin Polini 13x38x8
Article no.: P271.0267

Piston Pin Polini 13x38x8

12,00 €
In stock
RRP
14,00 €
-14% Discount
Polini
Piston Pin Polini K2D 14x40
Article no.: P271.0003

Piston Pin Polini K2D 14x40

12,50 €
In stock
RRP
13,00 €
-4% Discount
Rieju
Temperature Sensor M14x1.25 Rieju MRT
Article no.: OE-RIE0005.560.1991

Temperature Sensor M14x1.25 Rieju MRT

61,00 €
In stock
Sale
Standard Parts
Piston 50cc 39mm Honda MT 50
Article no.: MOF-42637

Piston 50cc 39mm Honda MT 50

12,00 €
In stock
Standard Parts
Cylinder Head MTX 45mm Honda MTX / MT / MB / Simson
Article no.: IP42699

Cylinder Head MTX 45mm Honda MTX / MT / MB / Simson

59,00 €
In stock
Polini
Piston Circlip Polini 18mm G-Clip (x1)
Article no.: P272.0130

Piston Circlip Polini 18mm G-Clip (x1)

0,80 €
In stock
RRP
0,90 €
-11% Discount
Polini
Piston Circlip Polini 16mm G-Clip (x1)
Article no.: P272.0100

Piston Circlip Polini 16mm G-Clip (x1)

0,80 €
In stock
RRP
0,90 €
-11% Discount
Top Performances
Plug temperature sensor M16x1.5mm Top Performances Derbi
Article no.: T9930270

Plug temperature sensor M16x1.5mm Top Performances Derbi

4,80 €
In stock
RRP
5,50 €
-13% Discount
RMS
Stud Bolt RMS 7x109mm Minarelli horizontal / CPI
Article no.: R121856030

Stud Bolt RMS 7x109mm Minarelli horizontal / CPI

1,40 €
In stock
Standard Parts
Cylinder Stud Bolt M6x105mm (x1)
Article no.: MF96.90103

Cylinder Stud Bolt M6x105mm (x1)

1,50 €
In stock
Polini
Stud Bolts Polini with nuts M7x116mm
Article no.: P317.0108
3

Stud Bolts Polini with nuts M7x116mm

20,00 €
In stock
RRP
21,00 €
-5% Discount
Malossi
Cylinder Kit Malossi Testa Rossa 100 Derbi
Article no.: M3119145

Cylinder Kit Malossi Testa Rossa 100 Derbi

496,00 €
In stock
RRP
594,00 €
-16% Discount
Malossi
Cylinder Kit Malossi Testa Rossa 100 AM6
Article no.: M3119078

Cylinder Kit Malossi Testa Rossa 100 AM6

487,00 €
In stock
RRP
594,00 €
-18% Discount
Malossi
Cylinder Kit Malossi MHR Team 80ccm Derbi Euro 3 / 4
Article no.: M3112988
23

Cylinder Kit Malossi MHR Team 80ccm Derbi Euro 3 / 4

399,00 €
In stock
RRP
455,00 €
-12% Discount
Sale
Malossi
Cylinder Kit Malossi Team 50cc Minarelli AM6
Article no.: M3112381
3

Cylinder Kit Malossi Team 50cc Minarelli AM6

390,00 €
In stock
RRP
455,00 €
-14% Discount
Malossi
Cylinder Kit Malossi MHR Team 79cc aluminium Derbi Euro 2
Article no.: M3112376
10

Cylinder Kit Malossi MHR Team 79cc aluminium Derbi Euro 2

396,00 €
In stock
Sale
Malossi
Cylinder Kit Malossi MHR Team 79cc aluminium Minarelli AM6
Article no.: M3112386
11

Cylinder Kit Malossi MHR Team 79cc aluminium Minarelli AM6

392,00 €
In stock
RRP
455,00 €
-14% Discount
Sale
Bidalot
Cylinder Kit Bidalot RF50WR Racing V2 Minarelli AM6
Article no.: BID11001568
1

Cylinder Kit Bidalot RF50WR Racing V2 Minarelli AM6

402,00 €
In stock
Metrakit
Cylinder Kit Metrakit Pro Race 4 77cc Derbi Euro 3 / 4
Article no.: MK805D2556
1

Cylinder Kit Metrakit Pro Race 4 77cc Derbi Euro 3 / 4

288,00 €
In stock
RRP
396,00 €
-27% Discount
2Fast
Cylinder Kit 2Fast 80cc stroke 44.9mm Minarelli AM6
Article no.: TFAST080

Cylinder Kit 2Fast 80cc stroke 44.9mm Minarelli AM6

458,00 €
In stock
Sale
2Fast
Cylinder Kit 2Fast 80cc Derbi Euro 3 / 4
Article no.: TFAST078
1

Cylinder Kit 2Fast 80cc Derbi Euro 3 / 4

458,00 €
In stock
RRP
499,00 €
-8% Discount
Sale
Bidalot
Cylinder Kit Bidalot Racing RF50WR Minarelli AM6
Article no.: BID11000568

Cylinder Kit Bidalot Racing RF50WR Minarelli AM6

389,00 €
In stock
Italkit
Cylinder Kit Italkit d.52mm stroke 44mm 94cc Minarelli AM6
Article no.: IKCK44952G14

Cylinder Kit Italkit d.52mm stroke 44mm 94cc Minarelli AM6

290,00 €
In stock
RRP
308,00 €
-6% Discount
Sale
Bidalot
Cylinder Kit Bidalot 70cc RF-WR Derbi Euro 3 / 4
Article no.: BID11000688

Cylinder Kit Bidalot 70cc RF-WR Derbi Euro 3 / 4

349,00 €
In stock
RRP
384,00 €
-9% Discount
Sale
Bidalot
Cylinder Kit Bidalot RF70WR Derbi Euro2
Article no.: BID11000678

Cylinder Kit Bidalot RF70WR Derbi Euro2

349,00 €
In stock
RRP
384,00 €
-9% Discount
Sale
Bidalot
Cylinder Kit Bidalot RF70WR Minarelli AM6
Article no.: BID11000668
2

Cylinder Kit Bidalot RF70WR Minarelli AM6

349,00 €
In stock
Bidalot
Cylinder Kit Bidalot Racing RF50WR Derbi Euro 3 / 4
Article no.: BID11000588
1

Cylinder Kit Bidalot Racing RF50WR Derbi Euro 3 / 4

399,00 €
In stock
Bidalot
Cylinder Kit Bidalot Racing RF50WR Derbi Euro2
Article no.: BID11000578

Cylinder Kit Bidalot Racing RF50WR Derbi Euro2

359,00 €
In stock
381,00 €
-6% Discount
Sale
Bidalot
Cylinder Kit Bidalot Racing Factory WR 90cc Minarelli AM6
Article no.: BID11000867

Cylinder Kit Bidalot Racing Factory WR 90cc Minarelli AM6

498,00 €
In stock
Bidalot
Cylinder Kit Bidalot Racing Factory WR 90cc Derbi Euro 3 / 4
Article no.: BID11000887
1

Cylinder Kit Bidalot Racing Factory WR 90cc Derbi Euro 3 / 4

503,00 €
In stock
Bidalot
Cylinder Kit Bidalot Racing Factory WR 96cc Derbi Euro 3 / 4
Article no.: BID11000987
1

Cylinder Kit Bidalot Racing Factory WR 96cc Derbi Euro 3 / 4

522,00 €
In stock
2Fast
Cylinder Kit 2Fast 100cc Derbi 3 / 4
Article no.: TFAST052
1

Cylinder Kit 2Fast 100cc Derbi 3 / 4

480,00 €
In stock
546,00 €
-12% Discount
Sale
2Fast
Cylinder Kit 2Fast 70cc Derbi 3 / 4
Article no.: TFAST049
1

Cylinder Kit 2Fast 70cc Derbi 3 / 4

458,00 €
In stock
RRP
533,00 €
-14% Discount
Sale
2Fast
Cylinder Kit 2Fast 70cc Minarelli AM6
Article no.: TFAST048

Cylinder Kit 2Fast 70cc Minarelli AM6

458,00 €
In stock
Sale
Airsal
Cylinder Kit Airsal Xtrem 80cc Derbi Euro 3 / 4
Article no.: C010810050
6

Cylinder Kit Airsal Xtrem 80cc Derbi Euro 3 / 4

271,00 €
In stock
Sale
Metrakit
Cylinder Kit Metrakit Pro Race 3 70cc Derbi Euro 3 / 4
Article no.: MK800D2536
12

Cylinder Kit Metrakit Pro Race 3 70cc Derbi Euro 3 / 4

285,00 €
In stock
RRP
359,00 €
-21% Discount
Sale
Top Performances
Cylinder Kit TPR Factory FL100 AM6
Article no.: T99GT52FAM0

Cylinder Kit TPR Factory FL100 AM6

636,00 €
In stock
Top Performances
Cylinder Kit TPR Factory 100cc AM6
Article no.: T99GT52AM00

Cylinder Kit TPR Factory 100cc AM6

599,00 €
In stock
Italkit
Cylinder Kit Italkit 96ccm Derbi Euro 3 / 4
Article no.: IKCK.12.952.GR2

Cylinder Kit Italkit 96ccm Derbi Euro 3 / 4

285,00 €
In stock
Top Performances
Cylinder Kit Top Performances 86cc aluminium 44mm stroke AM6
Article no.: T9924230
20

Cylinder Kit Top Performances 86cc aluminium 44mm stroke AM6

317,00 €
In stock
RRP
393,00 €
-19% Discount
Airsal
Cylinder Kit Airsal Xtrem 88cc Derbi Euro 3 / 4
Article no.: C01087550
6

Cylinder Kit Airsal Xtrem 88cc Derbi Euro 3 / 4

275,00 €
In stock
Bidalot
Cylinder Kit Bidalot RF80WR Derbi Euro 3 / 4
Article no.: BID11000783

Cylinder Kit Bidalot RF80WR Derbi Euro 3 / 4

439,00 €
In stock
Top Performances
Tuning Kit Top Performances 86cc AM6
Article no.: T9924240
59

Tuning Kit Top Performances 86cc AM6

418,00 €
In stock
RRP
482,00 €
-13% Discount
Airsal
Cylinder Kit Airsal Xtreme 88cc 45mm stroke Derbi Euro 2
Article no.: C01087650
3

Cylinder Kit Airsal Xtreme 88cc 45mm stroke Derbi Euro 2

249,00 €
In stock
RRP
320,00 €
-22% Discount
Sale
Airsal
Cylinder Kit Airsal Xtreme 88cc stroke=45mm AM6
Article no.: C01137550
3

Cylinder Kit Airsal Xtreme 88cc stroke=45mm AM6

269,00 €
In stock
RRP
282,00 €
-5% Discount
2Fast
Tuning Kit 2Fast 70cc Derbi Euro 3 / 4
Article no.: TFAST049/PACK1

Tuning Kit 2Fast 70cc Derbi Euro 3 / 4

1.095,64 €
In stock
1.118,00 €
-2% Set-Rabatt
Malossi
Cylinder Kit Malossi MHR Replica 79cc Derbi Euro 3 / 4
Article no.: M3112985
11

Cylinder Kit Malossi MHR Replica 79cc Derbi Euro 3 / 4

331,00 €
In stock
RRP
396,00 €
-16% Discount
Malossi
Cylinder Kit Malossi Replica 50cc Minarelli AM6
Article no.: M3112199
7

Cylinder Kit Malossi Replica 50cc Minarelli AM6

336,00 €
In stock
RRP
374,00 €
-10% Discount
Malossi
Cylinder Kit Malossi MHR Replica 80cc Minarelli AM6
Article no.: M3112228
8

Cylinder Kit Malossi MHR Replica 80cc Minarelli AM6

315,00 €
In stock
RRP
396,00 €
-20% Discount
Top Performances
Cylinder + Crankshaft Kit 86cc Top Performances 86cc cast iron Derbi Euro 3
Article no.: T9934270

Cylinder + Crankshaft Kit 86cc Top Performances 86cc cast iron Derbi Euro 3

387,00 €
In stock
RRP
578,00 €
-33% Discount
Top Performances
Cylinder Kit Top Performances Trophy 86cc Derbi Euro 3 / 4
Article no.: T9934260
1

Cylinder Kit Top Performances Trophy 86cc Derbi Euro 3 / 4

237,00 €
In stock
RRP
326,00 €
-27% Discount
Bidalot
Cylinder Kit Bidalot RF50WR Derbi Euro 3 / 4
Article no.: BID11000188
1

Cylinder Kit Bidalot RF50WR Derbi Euro 3 / 4

340,00 €
In stock
RRP
374,00 €
-9% Discount
Sale
Bidalot
Cylinder Kit Bidalot RF50WR Derbi Euro2
Article no.: BID11000178

Cylinder Kit Bidalot RF50WR Derbi Euro2

340,00 €
In stock
RRP
374,00 €
-9% Discount
Sale
Bidalot
Cylinder Kit Bidalot RF50WR Minarelli AM6
Article no.: BID11000168
4

Cylinder Kit Bidalot RF50WR Minarelli AM6

379,00 €
In stock
Airsal
Cylinder Kit Airsal Xtrem 80cc Derbi Euro 2
Article no.: C01089950
2

Cylinder Kit Airsal Xtrem 80cc Derbi Euro 2

271,00 €
In stock
Athena
Cylinder Kit Athena Racing 70cc Minarelli AM6
Article no.: AT-P400130100001
5

Cylinder Kit Athena Racing 70cc Minarelli AM6

264,00 €
In stock
Polini
Cylinder Kit Polini 6000 80cc Minarelli P4 / P6
Article no.: P133.6005

Cylinder Kit Polini 6000 80cc Minarelli P4 / P6

545,00 €
In stock
RRP
642,00 €
-15% Discount
Doppler
Cylinder Kit Doppler Vortex 50cc Minarelli AM6
Article no.: CGN480587
5

Cylinder Kit Doppler Vortex 50cc Minarelli AM6

254,00 €
In stock
RRP
269,00 €
-6% Discount
Doppler
Cylinder Kit Doppler Vortex 50cc Derbi Euro 3 / 4
Article no.: CGN480588
6

Cylinder Kit Doppler Vortex 50cc Derbi Euro 3 / 4

242,00 €
In stock
RRP
269,00 €
-10% Discount
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50cc motorcycle cylinder - the heart of the engine

The cylinder is the heart of every 50cc manual engine. It decides whether the bike delivers real power, revs cleanly, or just runs average. Material, displacement, port timings – every detail matters. But be careful: choosing the right cylinder is only the first step. True performance comes from the complete setup working in harmony: exhaust, carburetor, crankshaft and clutch must all match perfectly. Only when everything works together does the engine reach its full potential.

Most 50cc gearbox mopeds use Minarelli AM6 engines (installed in Rieju MRT, Beta RR, Sherco, Yamaha etc.) or Derbi engines (Euro 2, Euro 3, Euro 4, EBE / EBS, D50B0, used in Derbi, Gilera and even Aprilia from the Piaggio Group). These engines offer enormous potential, provided you know what you are doing.

Cylinder types for 50cc motorcycles - OEM, sport, racing or high-end

Each cylinder has its own profile and intended use, from near-stock replica parts to full-blowb racing machines.

In other words: Sport cylinders are the perfect introduction to tuning, the racing kits are where it gets really serious and the bar is raised, and high-end racing kits are only for pros who know exactly what they're doing and are not afraid to squeeze every last bit of power out of the engine.

50cc cylinders at a glance

⇒ Original 50cc cylinder

Ideal for everyday use. Made from cast iron or aluminum with a two-ring piston. Reliable, low-maintenance, and fuel-efficient. Perfect for riders who prioritize durability over peak performance.

⇒ Sport cylinder
Adds more punch without much effort. Available in cast iron or aluminum, with single- or two-ring pistons. Provides better acceleration and torque while remaining highly reliable. For optimal performance, we recommend fitting an entry-level performance exhaust and a slightly larger carburetor.

⇒ Racing cylinder
Developed for competition and high-performance setups. Significantly more torque and peak power, but requires technical expertise and reinforced components, especially the crankshaft and clutch. Exhaust and carburetor must also match the setup.

⇒ High-end racing cylinder
Top level performance. Fully aluminum with a single-ring piston for maximum power and responsiveness. Requires regular maintenance, professional installation, and compatible high-end components. All parts (crankshaft, exhaust, carburetor, clutch, gearbox, etc.) must be able to handle the increased output.

Note: Racing and high-end configurations are intended exclusively for the race track or competition. Only OEM and some sports kits are approved for road use.

The right cylinder for every use

Whether on the way to school, weekend trips or chasing lap times on the race track - there is the right cylinder for AM6 and Derbi.

Most cylinder kits are supplied complete: Cylinder head, piston, piston rings, circlips and gaskets. Spare parts are available individually, ideal for maintenance or repairs.

We stock top brands such as Stage6 R/T, Motoforce Racing, Athena, Barikit, Italkit, Metrakit Pro Race, Top Performances, Malossi, Polini, Voca Racing, Bidalot - each with its own philosophy. In the end, it’s about finding what fits your riding style best.

50cc tuning - setup and performance

This is where things get serious. To get the best performance from a 50cc Supermoto or Enduro bike, every component has to fit. A sports exhaust, reinforced crankshaft, properly tuned carburettor, optimized ignition and a racing clutch capable of handling extra power. Only a perfectly synchronized setup delivers true performance.

Overview Component combinations:

  • Standard setup: Standard cylinders with homologated components ensure reliable, balanced performance.
  • Sport setup: Slightly larger carburetor (17.5-28 mm) and sports exhaust such as Yasuni R1 or Stage6 Streetrace provide more pulling power. If the displacement remains at 50 cc, the original crankshaft can continue to be used, but a reinforced model offers more safety. A reinforced crankshaft is essential for any increase in displacement.
  • Racing setups : Larger carburetors (19-34 mm) and racing exhausts such as Yasuni R2/R3 or Polini Evo are mandatory. A reinforced crankshaft is not optional, but necessary, and a reinforced clutch is also essential.
  • High-end setups: Maximum performance. Large carburetors (24-38 mm), high-end performance exhausts like Stage6 R/T or 2Fast, reinforced crankshaft, ultra-strong clutch and racing ignition are required to ensure maximum performance over the entire RPM range.

Note: Carburetor size and exhaust volume are guidelines and must always match the engine’s displacement and model series. A 50cc racing kit does not require the same carburetor or exhaust as an 88cc sport cylinder.

FAQ: Common 50cc tuning Questions

Among tuners, technical questions are part of everyday life. Here we answer the hottest topics in the community to help you tune your bike to perfection.

→ How to adjust the carburetor?
Main and pilot jets control the fuel mixture at high and low RPM. Needle position affects mid-range performance. Fine adjustments are done via the air or mixture screw. Use the spark plug color as a reference: ideal is light brown / tan.

→ Which parts increase performance?
Exhaust, cylinder and carburetor have the greatest impact. Complete kits, e.g. from Stage6, make the selection easier and ensure a noticeable increase in performance.

→ Ideal compression ratio and squish clearance?
For road use with 50cc cylinders: 0.8-1.0 mm squish and 11:1 compression ratio are proven values. For track use, squish can be reduced to 0.6-0.7 mm and the compression ratio increased to up to 13:1.

Questions about the setup? Our team of experts will be happy to help at any time.

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