mofakult

More power from the engine, without any unnecessary fuss.

GPO cylinders deliver noticeably more pull and form a solid foundation for your setup.

Tune them properly, run them in properly and then: open the throttle.

They don’t make a fuss about themselves.

They offer reliable quality, fair prices and exactly what you need to get your moped running smoothly again.

GPO 41 mm cylinder kit fan-cooled 12 mm KoBo | Puch X30 Velux, NG-2AH

For: Puch

21177

GPO 41 mm cylinder kit fan-cooled 12 mm KoBo | Puch X30 Velux, NG-2AH

Nominal diameter: 41 mm · Manufacturer: GPO · Manufacturer: swiing® revival parts · Material: Gray cast iron · Surface: sandblasted · Displacement: 60 ccm · Crankshaft stroke: 43 mm · Ø cylinder neck: 43.2 mm · Number of fixing points: 4 pcs · Ø outlet inside: 19.4 mm · Ø Inlet inside: 14.6 mm · Thread inlet: M6x1 (standard thread) · Hole spacing inlet: 32 mm · Ø piston pin (B): 12 mm · Outlet type: straight · Hole spacing outlet: 42 mm · Thread outlet: M6x1 (standard thread) · Hole pattern [mm]: 44 x 44 · Camouflaged: No · Area of application: Tuning

EUR 134.70

GPO 41 mm cylinder kit fan-cooled 10 mm KoBo | Puch X30 Velux, NG-2AH

For: Puch

21176

GPO 41 mm cylinder kit fan-cooled 10 mm KoBo | Puch X30 Velux, NG-2AH

Nominal diameter: 41 mm · Manufacturer: GPO · Manufacturer: Meteor Racing · Material: Gray cast iron · Surface: sandblasted · Displacement: 60 ccm · Crankshaft stroke: 43 mm · Thread inlet: M6x1 (standard thread) · Hole spacing inlet: 32 mm · Ø piston pin (B): 10 mm · Outlet type: straight · Hole spacing outlet: 42 mm · Thread outlet: M6x1 (standard thread) · Number of fixing points: 4 pcs · Hole pattern [mm]: 44 x 44 · Camouflaged: No · Area of application: Tuning

EUR 134.70

- 10 %

GPO 38 mm Original Cylinder, Fan-Cooled, 10 mm KoBo | Puch X30 Velux, NG-2AH, NG-2A

For: Puch

21174

GPO 38 mm Original Cylinder, Fan-Cooled, 10 mm KoBo | Puch X30 Velux, NG-2AH, NG-2A

Nominal diameter: 38 mm · Manufacturer: GPO · Material: Gray cast iron · Surface: sandblasted · Displacement: 50 ccm · Crankshaft stroke: 43 mm · Thread inlet: M6x1 (standard thread) · Hole spacing inlet: 32 mm · Ø piston pin (B): 10 mm · Outlet type: straight · Hole spacing outlet: 42 mm · Thread outlet: M6x1 (standard thread) · Number of fixing points: 4 pcs · Hole pattern [mm]: 44 x 44 · Camouflaged: No · Area of application: Standard

EUR 153.10

EUR 137.20

GPO 38 mm cylinder kit diaphragm | Sachs 50/2, 50/3, 50/4 fan-cooled (DE)

For: Sachs

30295

GPO 38 mm cylinder kit diaphragm | Sachs 50/2, 50/3, 50/4 fan-cooled (DE)

Nominal diameter: 38 mm · Manufacturer: GPO · Material: Gray cast iron · Surface: sandblasted · Displacement: 50 ccm · Crankshaft stroke: 42 mm · Thread inlet: M5x0.8 (standard thread) · Hole spacing inlet: 67 mm · Ø piston pin (B): 12 mm · Outlet type: Union nut · Thread outlet: M35x2 (standard thread) · Number of fixing points: 4 pcs · Hole pattern [mm]: 51 x 40 / 37 x 37 · Camouflaged: No · Area of application: Tuning

EUR 175.20

GPO 38 mm cylinder kit slotted | Sachs 50/2, 50/3, 50/4 fan-cooled (DE)

For: Sachs

30296

GPO 38 mm cylinder kit slotted | Sachs 50/2, 50/3, 50/4 fan-cooled (DE)

Nominal diameter: 38 mm · Manufacturer: GPO · Material: Gray cast iron · Surface: sandblasted · Displacement: 50 ccm · Crankshaft stroke: 42 mm · Thread inlet: M5x0.8 (standard thread) · Hole spacing inlet: 31 mm · Ø piston pin (B): 12 mm · Outlet type: Union nut · Thread outlet: M35x2 (standard thread) · Number of fixing points: 4 pcs · Hole pattern [mm]: 51 x 40 / 37 x 37 · Camouflaged: No · Area of application: Tuning

EUR 147.00

Hot

GPO 43.5 mm cylinder kit (Metrakit replica) | Puch

For: Puch

35825

GPO 43.5 mm cylinder kit (Metrakit replica) | Puch

Nominal diameter: 43.5 mm · Manufacturer: GPO · Material: Aluminum · Material: Gray cast iron · Surface: varnished · Displacement: 64 ccm · Crankshaft stroke: 43 mm · Ø cylinder neck: 47.8 mm · Ø outlet inside: 26 mm · Ø Inlet inside: 19 mm · Thread inlet: M6x1 (standard thread) · Hole spacing inlet: 38 mm · Ø piston pin (B): 12 mm · Outlet type: straight · Hole spacing outlet: 42 mm · Thread outlet: M6x1 (standard thread) · Number of fixing points: 4 pcs · Hole pattern [mm]: 44 x 44 · Camouflaged: No · Area of application: Racing · Area of application: Tuning

EUR 177.60

Hot

GPO 41 mm "Sombrero" cylinder kit | Puch M50, MS50, VS50, DS50, VZ50

For: Puch

37468

GPO 41 mm "Sombrero" cylinder kit | Puch M50, MS50, VS50, DS50, VZ50

Nominal diameter: 41 mm · Manufacturer: GPO · Material: Gray cast iron · Displacement: 57 ccm · Crankshaft stroke: 43 mm · Ø cylinder neck: 43 mm · Ø outlet inside: 25 mm · Ø Inlet inside: 19 mm · Thread inlet: M6x1 (standard thread) · Area of application: Tuning · Hole spacing inlet: 42 mm · Ø piston pin (B): 10 mm · Ø piston pin (B): 12 mm · Outlet type: straight · Hole spacing outlet: 42 mm · Thread outlet: M6x1 (standard thread) · Number of fixing points: 4 pcs · Hole pattern [mm]: 44 x 44 · Decompressor: No · Camouflaged: No

EUR 232.80

GPO 38 mm Cylinder Kit, Fan-Cooled, 12 mm KoBo | Puch Velux, NG-2AH

For: Puch

25132

GPO 38 mm Cylinder Kit, Fan-Cooled, 12 mm KoBo | Puch Velux, NG-2AH

Nominal diameter: 38 mm · Manufacturer: GPO · Material: Gray cast iron · Surface: sandblasted · Displacement: 50 ccm · Crankshaft stroke: 43 mm · Thread inlet: M6x1 (standard thread) · Hole spacing inlet: 32 mm · Ø piston pin (B): 12 mm · Outlet type: straight · Hole spacing outlet: 42 mm · Thread outlet: M6x1 (standard thread) · Number of fixing points: 4 pcs · Hole pattern [mm]: 44 x 44 · Camouflaged: No · Area of application: Tuning

EUR 104.10

GPO 38 mm Cylinder Kit, Fan-Cooled, 10 mm KoBo | Puch Velux, NG-2AH

For: Puch

25131

GPO 38 mm Cylinder Kit, Fan-Cooled, 10 mm KoBo | Puch Velux, NG-2AH

EUR 110.20

Set

For: Puch

24043

GPO tuning set 41 mm | Puch X30 Velux

Nominal diameter: 41 mm · Manufacturer: GPO · Displacement: 60 ccm · Crankshaft stroke: 43 mm · Hole spacing inlet: 32 mm · Ø piston pin (B): 10 mm · Ø piston pin (B): 12 mm · Outlet type: straight · Hole spacing outlet: 42 mm · Hole pattern [mm]: 44 x 44 · Decompressor: No · Camouflaged: No · Area of application: Tuning

EUR 533.10

- 10 %

GPO 41 mm cylinder kit fan-cooled slot | Sachs 50/2, 50/3, 50/4 (DE)

For: Sachs

27617

GPO 41 mm cylinder kit fan-cooled slot | Sachs 50/2, 50/3, 50/4 (DE)

Nominal diameter: 41 mm · Manufacturer: GPO · Material: Gray cast iron · Surface: sandblasted · Displacement: 55 ccm · Crankshaft stroke: 42 mm · Thread inlet: M5x0.8 (standard thread) · Hole spacing inlet: 31 mm · Ø piston pin (B): 12 mm · Outlet type: Union nut · Thread outlet: M35x2 (standard thread) · Number of fixing points: 4 pcs · Hole pattern [mm]: 51 x 40 · Camouflaged: No · Area of application: Tuning

EUR 187.40

EUR 167.80

GPO 41 mm cylinder kit fan-cooled diaphragm | Sachs 50/2, 50/3, 50/4 (DE)

For: Sachs

27618

GPO 41 mm cylinder kit fan-cooled diaphragm | Sachs 50/2, 50/3, 50/4 (DE)

Nominal diameter: 41 mm · Manufacturer: GPO · Material: Gray cast iron · Surface: sandblasted · Displacement: 55 ccm · Crankshaft stroke: 42 mm · Thread inlet: M5x0.8 (standard thread) · Hole spacing inlet: 67 mm · Ø piston pin (B): 12 mm · Outlet type: Union nut · Thread outlet: M35x2 (standard thread) · Number of fixing points: 4 pcs · Hole pattern [mm]: 51 x 40 · Camouflaged: No · Area of application: Tuning

EUR 187.40

Page 1 of 5

GPO cylinder heads

Whether you’re replacing an existing part or building a new engine – with a GPO cylinder head, you can count on precision-fit quality that will get your engine running reliably on the road.

Hot

GPO 38 mm cylinder head original | Puch Maxi S, N / X30 NS, NL, N-2AH

For: Puch

10096

GPO 38 mm cylinder head original | Puch Maxi S, N / X30 NS, NL, N-2AH

Total length: 135 mm · Manufacturer: GPO · Material: Aluminum · Surface: sandblasted · Ø cylinder: 38 mm · Width: 125 mm · Number of fixing points: 4 pcs · Height: 55 mm · Area of application: Standard · Hole pattern [mm]: 44 x 44 · Candle thread: short · Decompressor: No

EUR 40.30

GPO 42 mm cylinder head tuning Malossi | Puch Maxi S, N / X30 NS, NL, N-2AH

For: Puch

11416

GPO 42 mm cylinder head tuning Malossi | Puch Maxi S, N / X30 NS, NL, N-2AH

Total length: 135 mm · Manufacturer: GPO · Material: Aluminum · Surface: sandblasted · Ø cylinder: 42 mm · Width: 125 mm · Number of fixing points: 4 pcs · Height: 55 mm · Area of application: Tuning · Hole pattern [mm]: 44 x 44 · Candle thread: short · Decompressor: No · Camouflaged: Yes

EUR 61.20

GPO 38 mm Cylinder Head, AT Model, New Version | Puch

For: Puch

11456

GPO 38 mm Cylinder Head, AT Model, New Version | Puch

Total length: 135 mm · Manufacturer: GPO · Material: Aluminum · Ø cylinder: 38 mm · Width: 140 mm · Number of fixing points: 4 pcs · Height: 55 mm · Decompressor: No

EUR 42.80

GPO 43.5 mm cylinder head tuning Polini new version | Puch

For: Puch

11417

GPO 43.5 mm cylinder head tuning Polini new version | Puch

Total length: 135 mm · Manufacturer: GPO · Material: Aluminum · Ø cylinder: 43.5 mm · Width: 140 mm · Number of fixing points: 4 pcs · Height: 55 mm · Area of application: Tuning · Decompressor: No

EUR 61.20

GPO 42 mm cylinder head Puch Tuning (Maxi S, N | X30 NS, NL, N-2AH) black

For: Puch

26830

GPO 42 mm cylinder head Puch Tuning (Maxi S, N | X30 NS, NL, N-2AH) black

Total length: 135 mm · Manufacturer: GPO · Material: Aluminum · Surface: varnished · Ø cylinder: 42 mm · Width: 125 mm · Number of fixing points: 4 pcs · Height: 55 mm · Area of application: Tuning · Decompressor: No · Camouflaged: Yes

EUR 52.60

GPO 45 mm cylinder head tuning black | Puch Maxi S, N, X30 NS, NL, N-2AH

For: Puch

26827

GPO 45 mm cylinder head tuning black | Puch Maxi S, N, X30 NS, NL, N-2AH

Total length: 135 mm · Manufacturer: GPO · Material: Aluminum · Surface: varnished · Ø cylinder: 45 mm · Width: 125 mm · Number of fixing points: 4 pcs · Height: 55 mm · Area of application: Tuning · Decompressor: No · Camouflaged: Yes

EUR 52.60

GPO 45 mm cylinder head with O-ring, AT model new version | Puch

For: Puch

12090

GPO 45 mm cylinder head with O-ring, AT model new version | Puch

Total length: 140 mm · Manufacturer: GPO · Material: Aluminum · Surface: glass bead blasted · Ø cylinder: 45 mm · Width: 137 mm · Number of fixing points: 4 pcs · Height: 50 mm · Area of application: Tuning · Hole pattern [mm]: 44 x 44 · Candle thread: short · Decompressor: No

EUR 61.20

GPO 43.5 mm cylinder head with O-ring, Polini Tuning new version | Puch

For: Puch

11418

GPO 43.5 mm cylinder head with O-ring, Polini Tuning new version | Puch

Manufacturer: GPO · Material: Aluminum · Surface: sandblasted · Ø cylinder: 43.5 mm · Total length: 140 mm · Width: 135 mm · Candle thread: short · Height: 55 mm · Decompressor: No · Area of application: Tuning · Number of fixing points: 4 pcs · Hole pattern [mm]: 44 x 44

EUR 66.10

GPO 40 mm cylinder head "original" | Pony GTX, Cross 521 (A8113)

For: Pony / Cilo (Beta 521 & 512)

34349

GPO 40 mm cylinder head "original" | Pony GTX, Cross 521 (A8113)

Manufacturer: GPO · Material: Aluminum · Surface: varnished · Ø cylinder: 40 mm · Total length: 120 mm · Width: 108 mm · Ø screw holder: 6.5 mm · Candle thread: short · Number of fixing points: 4 pcs · Hole pattern [mm]: 48 x 48 · Pony OEM number: A8113

EUR 79.60

GPO 43.5 mm cylinder head Airsal cylinder | Pony GTX, Cross 521 (A8113)

For: Pony / Cilo (Beta 521 & 512)

34350

GPO 43.5 mm cylinder head Airsal cylinder | Pony GTX, Cross 521 (A8113)

Manufacturer: GPO · Material: Aluminum · Surface: varnished · Ø cylinder: 43.5 mm · Total length: 120 mm · Width: 108 mm · Ø screw holder: 6.5 mm · Candle thread: short · Area of application: Racing · Area of application: Tuning · Number of fixing points: 4 pcs · Hole pattern [mm]: 48 x 48 · Camouflaged: Yes · Alternative version of the Pony OEM number: A8113

EUR 91.80

GPO 45 mm cylinder head tuning new version | Puch (AT)

For: Puch

10064

GPO 45 mm cylinder head tuning new version | Puch (AT)

Total length: 135 mm · Manufacturer: GPO · Material: Aluminum · Ø cylinder: 45 mm · Width: 140 mm · Number of fixing points: 4 pcs · Height: 55 mm · Area of application: Tuning · Decompressor: No

EUR 42.80

GPO 38 mm Cylinder Head, Original Black | Puch Maxi S, N / X30 NS, NL, N-2AH

For: Puch

26825

GPO 38 mm Cylinder Head, Original Black | Puch Maxi S, N / X30 NS, NL, N-2AH

Total length: 135 mm · Manufacturer: GPO · Material: Aluminum · Surface: varnished · Ø cylinder: 38 mm · Width: 125 mm · Number of fixing points: 4 pcs · Height: 55 mm · Area of application: Original · Decompressor: No

EUR 52.60

Page 1 of 3

Other collections

Cylinders from swiing® and GPO

When your cylinder needs replacing, it’s not the fancy sales pitch that counts. What matters is what happens inside the engine. Here you’ll find cylinders from swiing® and GPO for repairs, builds and tuning. Well-made, thoughtfully designed and ready for the workbench.

swiing® and GPO exhaust systems

Exhaust systems from swiing® and GPO add power, sound, and smoothness to your setup. For engines that run not only louder, but cleaner. An exhaust system matters more than you might think. It gives the engine breathing room, adds power to the setup, and turns noise into character. swiing and GPO fit the bill perfectly: cleanly built, with an authentic sound, and designed for engines that are meant to run not just louder, but more harmoniously.

2024-07-31_Collection_Roadtrip-Packliste

Road Trip Essentials

Your road trip is getting closer, but you're not sure if you have everything you need? Our travel professionals have kindly shared their packing lists with us for a successful trip.