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 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

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: Tuning

EUR 106.70

Hot

GPO 40 mm cylinder kit 12 mm KoBo | Puch X30 Velux, NG-2AH

For: Puch

29225

GPO 40 mm cylinder kit 12 mm KoBo | Puch X30 Velux, NG-2AH

Manufacturer: GPO · Material: Gray cast iron · Nominal diameter: 40 mm · Surface: sandblasted · Displacement: 55 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 142.30

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 · Displacement: 50 ccm · Crankshaft stroke: 42 mm · Surface: sandblasted · Number of fixing points: 4 pcs · 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) · Hole pattern [mm]: 51 x 40 / 37 x 37 · Camouflaged: No · Area of application: Tuning

EUR 142.30

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 169.60

Hot

GPO 41 mm "Sombrero" cylinder kit | Puch X30 Velux, NG-2AH

For: Puch

34863

GPO 41 mm "Sombrero" cylinder kit | Puch X30 Velux, NG-2AH

Nominal diameter: 41 mm · Manufacturer: GPO · Material: Gray cast iron · Displacement: 57 ccm · Crankshaft stroke: 43 mm · Ø cylinder neck: 44.7 mm · Ø outlet inside: 25 mm · Ø Inlet inside: 19 mm · Thread inlet: M6x1 (standard thread) · Area of application: Tuning · 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 · Thread outlet: M6x1 (standard thread) · Number of fixing points: 4 pcs · Hole pattern [mm]: 44 x 44 · Decompressor: No · Camouflaged: No

EUR 225.30

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 171.90

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 · Material: Gray cast iron · Surface: sandblasted · Manufacturer: GPO · Manufacturer: swiing® revival parts · Number of fixing points: 4 pcs · Displacement: 60 ccm · Crankshaft stroke: 43 mm · Ø cylinder neck: 43.2 mm · 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 130.40

- 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

EUR 148.20

EUR 132.80

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 130.40

- 10 %

GPO 38 mm Original Cylinder, Fan-Cooled, 12 mm KoBo | Puch X30 Velux, NG-2AH, NG-2A

For: Puch

21175

GPO 38 mm Original Cylinder, Fan-Cooled, 12 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): 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: Standard

EUR 148.20

EUR 132.80

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 · Area of application: Tuning · 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

EUR 516.00

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 225.30

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.

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

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

EUR 50.90

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

For: Puch

11456

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

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

EUR 41.40

Hot

GPO 45 mm "Racing" High-Compression Cylinder Head | Puch Maxi S, N / X30 NS, NL, N-2AH

For: Puch

29380

GPO 45 mm "Racing" High-Compression Cylinder Head | Puch Maxi S, N / X30 NS, NL, N-2AH

Manufacturer: GPO · Material: Aluminum · Surface: sandblasted · Area of application: Tuning · Ø cylinder: 45 mm · Width: 125 mm · Height: 55 mm · Ø screw holder: 7.4 mm · Candle thread: short · Total length: 135 mm · Number of fixing points: 4 pcs · Hole pattern [mm]: 44 x 44 · Decompressor: No

EUR 59.20

Hot

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

For: Pony / Cilo (Beta 521 & 512)

36267

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

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

EUR 82.90

GPO 38 mm "Racing" High-Compression Cylinder Head | Puch Maxi S, N / X30 NS, NL, N-2AH

For: Puch

29381

GPO 38 mm "Racing" High-Compression Cylinder Head | Puch Maxi S, N / X30 NS, NL, N-2AH

Manufacturer: GPO · Material: Aluminum · Surface: sandblasted · Area of application: Tuning · Ø cylinder: 38 mm · Width: 125 mm · Height: 55 mm · Ø screw holder: 7.4 mm · Candle thread: short · Total length: 135 mm · Number of fixing points: 4 pcs · Hole pattern [mm]: 45 x 45 · Decompressor: No

EUR 59.20

GPO 44 mm Cylinder Head Tuning, Black | Puch Maxi S, N / X30 NS, NL, N-2AH

For: Puch

26826

GPO 44 mm Cylinder Head Tuning, Black | Puch Maxi S, N / X30 NS, NL, N-2AH

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

EUR 50.90

- 33 %

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

For: Puch

26828

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

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

EUR 53.30

EUR 35.50

New

GPO 43 mm Cylinder Head with Decompressor (Pre-assembled) | Sachs 503 2AL / AAL / 2BL / ABL

For: Sachs

37792

GPO 43 mm Cylinder Head with Decompressor (Pre-assembled) | Sachs 503 2AL / AAL / 2BL / ABL

Manufacturer: GPO · Material: Aluminum · Ø outside: 85 mm · Ø cylinder: 43 mm · Hole pattern [mm]: 37 x 37 · Decompressor: Yes

EUR 106.70

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

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

EUR 59.20

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

For: Puch

11419

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

Manufacturer: GPO · Material: Aluminum · Ø cylinder: 38 mm · Number of fixing points: 4 pcs

EUR 59.20

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

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

EUR 50.90

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

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

EUR 59.20

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.