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Cylinder

(701 products)
Scooter Cylinder kits Cylinder Heads and Pistons Camshafts and Valves Cylinder Gaskets Cylinder Accessories
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Bracket Camshaft & Timing Circlip Cylinder (alone) Cylinder accessories Cylinder base gasket Cylinder gasket set Cylinder head Cylinder head gasket Cylinder kit Cylinder spacer Engine bolts Engine pack Exhaust gasket Piston Piston pin Piston ring Radiator hose Stud bolt Temperature sensor Valve cover gasket Valve stem gasket Valves & Accessories Cover Dowel pin Exhaust valve Hose connection Intake valve Nut O-ring Thermostat Timing chain gasket Valve spring Water hose connection
Brand
2Fast Airsal Artein Athena Bidalot CPI D.R. GY6 Italkit Malossi Meteor Metrakit MotoForce MotoForce Racing MVT MXS Racing Naraku Ottopuntouno Parmakit Peugeot Piaggio Polini RMS Stage6 Stage6 R/T Standard Parts SYM Top Performances Voca Racing Yamaha
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Polini
Cylinder head Polini, Peugeot horizontal injection 70cc, d=47mm
Article no.: P211.0299

Cylinder head Polini, Peugeot horizontal injection 70cc, d=47mm

43,50 €
In stock
RRP
143,00 €
-70% Discount
Piaggio
Temperature sensor Piaggio/Gilera (M10x1.0)
Article no.: OE-PIA82622R

Temperature sensor Piaggio/Gilera (M10x1.0)

17,00 €
In stock
18,50 €
-8% Discount
Peugeot
Temperature Sensor Peugeot horizontal M12x1.25
Article no.: OE-PEU77185600

Temperature Sensor Peugeot horizontal M12x1.25

28,00 €
In stock
GY6
Cam chain tensioner GY6, 50cc 139QMB/QMA
Article no.: OE-GY6BT40002

Cam chain tensioner GY6, 50cc 139QMB/QMA

9,00 €
In stock
GY6
Gasket GY6, cylinder base d=39mm, engine type 129QMA/139QMB
Article no.: OE-GY6BT60002

Gasket GY6, cylinder base d=39mm, engine type 129QMA/139QMB

1,10 €
In stock
GY6
Gasket GY6, valve cover, engine type 139QMB/139QMA
Article no.: OE-GY6BT50008

Gasket GY6, valve cover, engine type 139QMB/139QMA

2,50 €
In stock
GY6
Gasket GY6 SAS valve cover 139QMB/139QMA
Article no.: OE-GY6BT15630

Gasket GY6 SAS valve cover 139QMB/139QMA

1,50 €
In stock
1,90 €
-21% Discount
GY6
Gasket GY6 SAS cylinder head 139QMB/139QMA
Article no.: OE-GY6BT15631

Gasket GY6 SAS cylinder head 139QMB/139QMA

1,50 €
In stock
Naraku
Piston set NARAKU 50cc Morini AC
Article no.: NK101.80

Piston set NARAKU 50cc Morini AC

18,50 €
In stock
Meteor
Piston pin circlip 10x0.8mm, GG clip, 2 pcs.
Article no.: MET1008

Piston pin circlip 10x0.8mm, GG clip, 2 pcs.

1,30 €
In stock
1,40 €
-7% Discount
Standard Parts
Temperature Sensor PT 1/8 Minarelli LC
Article no.: L-SP85067

Temperature Sensor PT 1/8 Minarelli LC

14,50 €
In stock
Bidalot
Cylinder Stud Bolt (x1) Bidalot M7x114
Article no.: BID12512972

Cylinder Stud Bolt (x1) Bidalot M7x114

7,00 €
In stock
Bidalot
Cylinder Stud Bolt (x1) Bidalot M7x112
Article no.: BID12512912

Cylinder Stud Bolt (x1) Bidalot M7x112

7,00 €
In stock
Bidalot
Cylinder Stud Bolt (x1) Bidalot M7x110
Article no.: BID12512870
1

Cylinder Stud Bolt (x1) Bidalot M7x110

7,00 €
In stock
Piaggio
Cylinder Stud Bolt Piaggio NRG / Typhoon
Article no.: OE-PIA877283
2

Cylinder Stud Bolt Piaggio NRG / Typhoon

3,60 €
In stock
Yamaha
Cylinder Stud Bolt M7x1x109 Minarelli horizontal
Article no.: OE-MAL901160782700
1

Cylinder Stud Bolt M7x1x109 Minarelli horizontal

7,30 €
In stock
Yamaha
Cylinder Stud Bolt Yamaha M6x1x106 Yamaha BW's / Slider
Article no.: OE-MAL901160641800
1

Cylinder Stud Bolt Yamaha M6x1x106 Yamaha BW's / Slider

3,90 €
In stock
Piaggio
Thermostat Piaggio NRG / Runner original
Article no.: OE-PIA483395
1

Thermostat Piaggio NRG / Runner original

35,00 €
In stock
2Fast
Cylinder Gasket Set 2Fast Minarelli horizontal
Article no.: TFAST029
1

Cylinder Gasket Set 2Fast Minarelli horizontal

13,00 €
In stock
Sale
Polini
Cylinder Stud Bolts Polini Big Evo 94cc M7x123mm Minarelli horizontal
Article no.: P317.0110

Cylinder Stud Bolts Polini Big Evo 94cc M7x123mm Minarelli horizontal

19,50 €
In stock
RRP
21,00 €
-7% Discount
GY6
GY6 Cam Chain Tensioner / Guide type 139QMB / 139QMA
Article no.: OE-GY6BT13875

GY6 Cam Chain Tensioner / Guide type 139QMB / 139QMA

3,90 €
In stock
GY6
GY6 Cam Chain Guide type 139QMB / 139QMA
Article no.: OE-GY6BT13874

GY6 Cam Chain Guide type 139QMB / 139QMA

5,10 €
In stock
GY6
Cylinder Head GY6 4-stroke
Article no.: OE-GY6BT12277

Cylinder Head GY6 4-stroke

39,50 €
In stock
Polini
Stud Bolts Polini with nuts M6x120mm
Article no.: P317.0107
4

Stud Bolts Polini with nuts M6x120mm

20,00 €
In stock
RRP
21,00 €
-5% Discount
Standard Parts
Temperature Sensor M12x1.5 Yamaha Aerox 4T / Xmax 125
Article no.: SP-95206

Temperature Sensor M12x1.5 Yamaha Aerox 4T / Xmax 125

7,50 €
In stock
Standard Parts
Piston Rings 39mm GY6 4-stroke
Article no.: SP-94237

Piston Rings 39mm GY6 4-stroke

4,90 €
In stock
Voca Racing
Cylinder Spacer 2mm Voca Yamaha Aerox Black
Article no.: VCR-RD12CSP166.020

Cylinder Spacer 2mm Voca Yamaha Aerox Black

17,00 €
In stock
RRP
20,00 €
-15% Discount
Sale
Italkit
CylinderHead Nuts M7 Alto 10mm Italkit x4
Article no.: IKTUA.07.4

CylinderHead Nuts M7 Alto 10mm Italkit x4

4,60 €
In stock
Polini
Cylinder Spacer Polini 5mm M7x116mm bolts Minarelli horizontal
Article no.: P170.1001
1

Cylinder Spacer Polini 5mm M7x116mm bolts Minarelli horizontal

29,00 €
In stock
RRP
30,00 €
-3% Discount
Polini
Cylinder Spacer Polini 5mm M6x112mm bolts Piaggio
Article no.: P170.1000
1

Cylinder Spacer Polini 5mm M6x112mm bolts Piaggio

29,00 €
In stock
RRP
30,00 €
-3% Discount
Standard Parts
Piston Suzuki Tsx Sr2000 41.00mm
Article no.: SP-8130

Piston Suzuki Tsx Sr2000 41.00mm

14,00 €
In stock
GY6
GY6 Camshaft type 139QMB / 139QMA
Article no.: OE-GY6BT3001

GY6 Camshaft type 139QMB / 139QMA

14,50 €
In stock
15,50 €
-6% Discount
Artein
Gasket Set cylinder HQ Peugeot Speedfight 3 and 4 LC
Article no.: ART-170028

Gasket Set cylinder HQ Peugeot Speedfight 3 and 4 LC

17,00 €
In stock
Artein
Gasket Set cylinder HQ Suzuki Katana AC
Article no.: ART-25070

Gasket Set cylinder HQ Suzuki Katana AC

8,10 €
In stock
8,40 €
-4% Discount
Artein
Cylinder Base Gasket Peugeot ST Rapido 50
Article no.: ART-8739

Cylinder Base Gasket Peugeot ST Rapido 50

0,90 €
In stock
RRP
2,30 €
-61% Discount
Artein
Gasket Set cylinder HQ Peugeot ST Rapido 50
Article no.: ART-25094

Gasket Set cylinder HQ Peugeot ST Rapido 50

1,90 €
In stock
RRP
5,00 €
-62% Discount
Naraku
Piston Pin Naraku 13x31mm GY6 50cc 139QMB/QMA
Article no.: NK100.59

Piston Pin Naraku 13x31mm GY6 50cc 139QMB/QMA

0,80 €
In stock
RRP
2,00 €
-60% Discount
Standard Parts
Temperature Sensor M12x1.25 Piaggio (OEM: 58273R)
Article no.: CGN510056

Temperature Sensor M12x1.25 Piaggio (OEM: 58273R)

15,00 €
In stock
Standard Parts
Temperature Sensor M10x1.25 Piaggio
Article no.: CGN510054

Temperature Sensor M10x1.25 Piaggio

9,20 €
In stock
Standard Parts
Temperature Sensor M10x1.00 Piaggio (OEM: 82622R)
Article no.: CGN509140

Temperature Sensor M10x1.00 Piaggio (OEM: 82622R)

6,80 €
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
Standard Parts
Cylinder Gasket Kit Peugeot Kisbee 4-stroke / GY6 50cc
Article no.: L-SP32145

Cylinder Gasket Kit Peugeot Kisbee 4-stroke / GY6 50cc

3,00 €
In stock
Standard Parts
Cylinder Base Gasket paper Piaggio Zip / Typhoon
Article no.: MF10.14004

Cylinder Base Gasket paper Piaggio Zip / Typhoon

2,50 €
In stock
Standard Parts
Cylinder Stud Bolts Peugeot Speedfight 3&4 / Tweet 50cc 4T
Article no.: L-SP168424

Cylinder Stud Bolts Peugeot Speedfight 3&4 / Tweet 50cc 4T

6,60 €
In stock
Meteor
Piston Rings Meteor OEM quality Suzuki / Morini 50cc 2-stroke
Article no.: METSS/3365

Piston Rings Meteor OEM quality Suzuki / Morini 50cc 2-stroke

8,00 €
In stock
RRP
18,50 €
-57% Discount
Meteor
Piston Meteor 40mm Minarelli
Article no.: MET1278
12

Piston Meteor 40mm Minarelli

23,00 €
In stock
28,00 €
-18% Discount
Sale
Meteor
Piston Meteor 40mm Piaggio
Article no.: MET1306
4

Piston Meteor 40mm Piaggio

27,00 €
In stock
Meteor
Piston Ring Meteor OEM quality 40mm Minarelli / Piaggio
Article no.: METSS/3306
4

Piston Ring Meteor OEM quality 40mm Minarelli / Piaggio

11,00 €
In stock
Standard Parts
Temperature Sensor M12X1.5 Peugeot Speedight 4 LC
Article no.: CGN510082

Temperature Sensor M12X1.5 Peugeot Speedight 4 LC

8,00 €
In stock
Sale
Standard Parts
Cylinder Gasket Set OEM quality Scooter Chinois GY6 139QMB
Article no.: CGN482346

Cylinder Gasket Set OEM quality Scooter Chinois GY6 139QMB

4,90 €
In stock
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
Peugeot
Stud Bolt M6x105mm (1x) Peugeot
Article no.: OE-PEU731428

Stud Bolt M6x105mm (1x) Peugeot

2,40 €
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
Piaggio
Valve Shim 3,00mm Piaggio 4-stroke 4V
Article no.: OE-PIACM144329

Valve Shim 3,00mm Piaggio 4-stroke 4V

9,10 €
In stock
RRP
24,00 €
-62% Discount
Piaggio
Gear timing chain Piaggio 4-stroke 4V
Article no.: OE-PIA969747

Gear timing chain Piaggio 4-stroke 4V

11,50 €
In stock
RRP
31,00 €
-63% Discount
Piaggio
Intake Valve Piaggio 4-stroke 4V
Article no.: OE-PIA872305

Intake Valve Piaggio 4-stroke 4V

10,50 €
In stock
RRP
27,50 €
-62% Discount
Piaggio
Exhaust Valve Piaggio 4-stroke 4V
Article no.: OE-PIA872272

Exhaust Valve Piaggio 4-stroke 4V

21,00 €
In stock
RRP
51,00 €
-59% Discount
Piaggio
Valve Lock Piaggio 4-stroke
Article no.: OE-PIA843338

Valve Lock Piaggio 4-stroke

4,90 €
In stock
RRP
13,00 €
-62% Discount
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12

Scooter cylinder - The heart of your engine

Many scooters are equipped with 2-stroke engines, and the cylinder is the central component that determines engine performance. While the cylinder head is usually the focus of 4-stroke engines, in a 2-stroke scooter everything depends on the cylinder: power, torque, throttle response and reliability.

This is where the magic happens. The air-fuel mixture is transformed into pure energy, and the cylinder sets the rules: maximum power, torque, acceleration and whether the engine runs reliably or not.

That's why choosing the right cylinder kit is crucial for how your scooter behaves. Material, displacement, port timings, piston type ... every detail counts and shapes the engine's character.

But be careful: in order to unlock the cylinder's full potential, the rest of the setup must match the cylinder: Crankshaft, exhaust, carburetor, transmission ... everything must work in harmony. Only then will the engine respond well, run reliably, and make every twist of the throttle enjoyable.

cylinder types and characteristics - original, sport, racing or high-end

⇒ 50cc Original Cylinder

Ideal for everyday use. Made of cast iron or aluminum, usually with a 2-ring piston. Offers high reliability, low fuel consumption, and easy maintenance. The power delivery is balanced, ideal for riders who value durability over maximum output.

⇒ Sport Cylinder
For a more dynamic ride without major modifications. Available in cast iron or aluminum, with 1-ring or 2-ring pistons. Delivers noticeably better acceleration and torque than stock while maintaining strong reliability. To get the most out of it, a small adjustment of carburetor and CVT setup is recommended.

⇒ Racing Cylinder
Built for competition and high-performance setups. Provides significantly more power and torque. Requires technical know-how for installation and reinforced components, especially the crankshaft and clutch.

⇒ High-End Cylinder
Top-level performance. Made of aluminum with 1-ring piston, offering maximum power and throttle response. Requires frequent maintenance, professional installation and the use of high-end components for reliable operation.

Note: Racing and high-end setups are designed for track use only. Only OEM and some Sport cylinders are street legal.

Cylinders for every riding style - from city traffic to racing

Whether commuting to work, riding with friends or fast off-the-line starts at traffic lights -there’s a cylinder kit for every purpose. From kits for popular models like Yamaha Jog, Aerox, Piaggio Zip, Peugeot Speedfight to exclusive custom builds for tuning fans: the choice is huge.

Cylinders for all tuning levels

Most cylinder kits come complete: Cylinder head, piston, rings, circlips and gaskets (with some exceptions), ready to install and go. There is a huge selection of spare parts for easy maintenance and repairs.

In short: Sport cylinders are the entry level for tuning, Racing takes performance to the next level and High-end is only for those who know exactly what they want and don't want to compromise.

When it comes to brands, the big names offer cylinders for all levels: Stage6 R/T, Motoforce Racing, Airsal, Top Performances, Polini, Malossi... and many more.

Scooter tuning - setup and maximum performance

This is where it gets serious: simply changing the cylinder is not enough. To get best results, all components need to be matched to the new cylinder: Performance exhaust, reinforced crankshaft, readjusted carburetor, optimized variator - every detail counts. Only then the engine truly comes alive and delivers full power.

Component combinations at a glance

  • OEM quality 50cc cylinder: simple configuration with stock-grade components for maximum reliability and durability.
  • Sport cylinder: carburetor 17.5-21 mm, performance exhaust (e.g. Yasuni Z, Stage6 Streetrace, Tecnigas Next-R). Stock crankshaft is fine, but a reinforced one adds safety. A sport variator improves acceleration.
  • Racing setup: a larger carburetor (19-32 mm) and a race exhaust such as Stage6 R1200, Yasuni R or Malossi MHR are essential. A reinforced crankshaft is not optional, but mandatory, and the CVT should be at least Sport or Oversize.
  • High-end racing: maximum output. Carburetor 24-38 mm, high-end racing exhausts such as Stage6 R/T or 2Fast. At this level, a reinforced crankshaft and an oversize CVT are mandatory to handle the extreme load and exploit every RPM.

Note: Carburetor sizes and exhaust volumes are guidelines and must always match displacement and cylinder class. For example, a 50cc Racing setup doesn’t require the same carburetor size as an 88cc Sport engine.

FAQ - frequently asked questions about scooter cylinders

Technical questions are an integral part of everyday tuning. Here, our specialists answer the hottest topics in the community in order to optimally tune every scooter engine.

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

→ Are there risks when mixing parts from different brands?
Yes: manufacturing tolerances, unbalanced carburetion, compression loss or even piston seizures. It’s safest to use complete kits or proven component combinations.

→ Most trusted combinations of racing cylinder and exhaust?
Polini Evolution, Malossi MHR Team, Stage6 R/T and 2Fast.

Our expert team is always ready to help you choose and tune your cylinder setup. Explore all available options in our online catalog and find the perfect cylinder for your scooter.

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