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Cylinder kits

(198 products)
Cylinder Cylinder kits Cylinder Heads and Pistons Camshafts and Valves Cylinder Gaskets Cylinder Accessories
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Tuning level
Original Sport Racing High-end
Cylinder material
Aluminium Cast Iron
Displacement
66,5cc 74cc 48,8cc 50cc 60cc 62cc 65cc 66cc 68,4cc 68cc 70cc 72cc 75cc 80cc 85cc 110cc 130cc 63cc
Piston pin
10 mm 12 mm 13 mm 14 mm
Stroke
Original 39,7 mm 41,6 mm 42 mm 43 mm 44 mm 48 mm
Conrod length
Standard
Series
BIG DEPS ER1 Evolution GST MHR Racing S-Race SC Serie 6000 Sport Sportfreund T6
Brand
Airsal Athena D.R. DMP Doppler Italkit Malossi Metrakit MotoForce MotoForce Racing MVT Naraku Parmakit Polini Schmitt Stage6 Standard Parts Swiing
Price
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Parmakit
Cylinder Kit d.45mm Parmakit 65 Puch Maxi
Article no.: PM59206.00

Cylinder Kit d.45mm Parmakit 65 Puch Maxi

195,00 €
Currently not in stock
Parmakit
Cylinder Kit d.44mm Parmakit Sport Kreidler Florett RS
Article no.: PM42204.00

Cylinder Kit d.44mm Parmakit Sport Kreidler Florett RS

245,00 €
Currently not in stock
Parmakit
Cylinder Kit d.40mm Parmakit HP 5,2 Kreidler Florett
Article no.: PM42100.00

Cylinder Kit d.40mm Parmakit HP 5,2 Kreidler Florett

257,00 €
Currently not in stock
Parmakit
Cylinder Kit d.40mm Parmakit HP 4,8 Kreidler Florett
Article no.: PM42110.00

Cylinder Kit d.40mm Parmakit HP 4,8 Kreidler Florett

257,00 €
Currently not in stock
Schmitt
Cylinder Kit Schmitt Sportfreund Almot 50cc Simson S51 / KR51/2 / SR50
Article no.: STT54104

Cylinder Kit Schmitt Sportfreund Almot 50cc Simson S51 / KR51/2 / SR50

242,00 €
Currently not in stock
Schmitt
Cylinder Kit Schmitt Sportfreund Vertex 60cc Simson S51 / KR51/2 / SR50
Article no.: STT49609

Cylinder Kit Schmitt Sportfreund Vertex 60cc Simson S51 / KR51/2 / SR50

246,00 €
Currently not in stock
Schmitt
Cylinder Kit Schmitt Sportfreund 60cc Puch MV 50 / MS 50 / DS 50
Article no.: STT49045

Cylinder Kit Schmitt Sportfreund 60cc Puch MV 50 / MS 50 / DS 50

64,50 €
Currently not in stock
Schmitt
Cylinder Kit Schmitt Sportfreund Almot 60cc Simson S51 / KR51/2 / SR50
Article no.: STT53403

Cylinder Kit Schmitt Sportfreund Almot 60cc Simson S51 / KR51/2 / SR50

242,00 €
Currently not in stock
Schmitt
Cylinder Kit Schmitt Sportfreund Vertex 50cc Simson S51 / KR51/2 / SR50
Article no.: STT48774

Cylinder Kit Schmitt Sportfreund Vertex 50cc Simson S51 / KR51/2 / SR50

246,00 €
Currently not in stock
Schmitt
Cylinder Kit Schmitt GST-60 CNC reed valve Simson S51 / KR51/2 / SR50
Article no.: STT53209

Cylinder Kit Schmitt GST-60 CNC reed valve Simson S51 / KR51/2 / SR50

345,00 €
Currently not in stock
Polini
Cylinder Kit Polini Vespino F9 d.43
Article no.: P116.0145

Cylinder Kit Polini Vespino F9 d.43

166,00 €
Currently not in stock
RRP
191,00 €
-13% Discount
Standard Parts
Cylinder Kit DMP 6 ports alu 70cc long fins Puch Maxi / X30 Automatic
Article no.: MOF-44138

Cylinder Kit DMP 6 ports alu 70cc long fins Puch Maxi / X30 Automatic

104,00 €
Currently not in stock
Swiing
Cylinder Kit swiing 39mm Zündapp Belmondo (Type 247)
Article no.: MOF-43880

Cylinder Kit swiing 39mm Zündapp Belmondo (Type 247)

237,00 €
Currently not in stock
245,00 €
-3% Discount
Swiing
Cylinder Kit swiing 50cc Racing Puch Maxi / X30 Automatic
Article no.: MOF-43819

Cylinder Kit swiing 50cc Racing Puch Maxi / X30 Automatic

98,00 €
Currently not in stock
102,00 €
-4% Discount
Swiing
Cylinder Kit swiing 50cc Racing Vertex Puch Maxi / X30
Article no.: MOF-43825

Cylinder Kit swiing 50cc Racing Vertex Puch Maxi / X30

130,00 €
Currently not in stock
148,00 €
-12% Discount
Schmitt
Cylinder Kit Schmitt Sportfreund 85 85ccm 47mm Simson
Article no.: STT49070

Cylinder Kit Schmitt Sportfreund 85 85ccm 47mm Simson

286,00 €
Currently not in stock
Polini
Cylinder Kit Polini Sport 65cc 12mm pin Piaggio Ciao
Article no.: P140.0065/10ST

Cylinder Kit Polini Sport 65cc 12mm pin Piaggio Ciao

151,00 €
Currently not in stock
RRP
166,00 €
-9% Discount
Standard Parts
Cylinder Kit w/ head Simson
Article no.: MOF-KIT.Z.40119

Cylinder Kit w/ head Simson

65,00 €
Currently not in stock
73,00 €
-11% Discount
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Moped cylinders

Every builder has their own philosophy. Some are purists who want to restore a moped exactly as it left the factory. Others are chasing the feeling of their first bike and rebuild it with the same period tuning parts they ran back then. And then there are the racers who go all in for vintage moped racing, with 75cc kits, a proper expansion chamber exhaust, or even a full-on G1, G2, G3, or G4 race motor.

In our online shop, cylinders are available for all types of projects.

Below is a guide to help with the right selection.

Finding the right cylinder

In our online shop, we defined three categories to classify cylinders according to performance: Original, Sport, and Racing.

⇒ Original / OEM quality cylinder: As the name suggests, these cylinders match factory specifications. High reliability, low consumption, and minimal maintenance. No performance increase, but in line with manufacturer specifications.

⇒ Sport cylinder: The simple design of the original cylinder is retained, with more dynamic performance. Offers increased performance while maintaining high reliability and low maintenance. Available as 50cc, 65cc, 75cc cylinders and more.

⇒ Racing cylinder: For competition and very high-performance setups. Designed for maximum power and torque. Only a few standard components can be retained, and extensive tuning work is required.

This classification helps select the parts to combine with the cylinder (exhaust, crankshaft, carburetor, etc.). Components should belong to the same category to ensure performance and reliability.

A wide range of cylinders is available for the most popular classic mopeds: Piaggio Ciao, Derbi Variant, Puch Maxi, Tomos, Honda Camino, Peugeot 103 and many others.

Ready-to-install cylinder kits

With a few exceptions, cylinder kits are supplied complete with all parts required for installation:

  • Cylinder head (if required)
  • Piston and piston rings
  • Piston pin and piston clips
  • Gasket set (cylinder head, base gasket, exhaust)

All spare parts are also available individually for targeted repairs.

Restoration and tuning of vintage mopeds

For restorations and tuning projects, well-known brands are available such as Stage6, Polini, Malossi, Airsal, Italkit (for increased performance) or Motoforce (for reliable restorations at lower cost).

Classic moped tuning

When tuning an old moped, as with any 2-stroke engine, several components must be matched and combined depending on the goal.

The cylinder is the central element of any setup. Depending on the configuration (shape of the transfer ports, displacement, compression), an exhaust with the appropriate volume and a carburetor with a larger (or smaller) diameter should be selected. A reinforced crankshaft is also required. A well-matched setup provides both performance and reliability.

Some notes and examples:
  • Standard 50 cc: OEM cylinder with approved parts (OEM-style exhaust, original carburetor)
  • Sport: Carburetor 15–28 mm (SHA or PHBG) and a sport exhaust provide more torque. A reinforced crankshaft increases reliability. A sport variator improves acceleration.
  • Racing: Carburetor 19–36mm, racing exhaust such as Stage6 Streetrace or Malossi Too Bad. Reinforced crankshaft and reinforced clutch are required.

Note: Displacement and RPM determine carburetor size and exhaust choice. A 50cc racing cylinder, for example, does not require the same carburetor as a 110cc sport cylinder.

ATTENTION! Any upgrade, even a minor one, requires carburetor adjustment with jets. Otherwise, engine damage is likely.

FAQ — Frequently asked questions about moped cylinders

⇒ When should the piston be replaced?

If the engine starts poorly or loses power, it is time. However, service life depends on the cylinder type. With an OEM cylinder, around 10,000 km is easily possible, but the higher the RPM and the more intensive the use, the shorter the interval. For a racing engine, it can drop to around 10 hours.

⇒ 1-ring piston or 2-ring piston?

It depends on the goal: maximum performance → single-ring piston. Reliable compromise: two-ring piston. However, this rule is not strict. Some cylinders also deliver very strong performance with two rings.

⇒ Should I get a cylinder kit with or without cylinder head?

This depends on several factors: first, the compatibility with the selected cylinder. Some can be used with the original cylinder head. Others require a specific cylinder head, which has an important influence on performance or even functionality. It also depends on the condition of the currently installed cylinder head.

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