A set of 43 mm compression rings consisting of two rectangular piston rings with internal locking (IS), suitable for various mopeds / mopeds with Sachs 50/2, 50/3, 50/4 engines.
These replacement piston rings are suitable for the GPO Pomodoro 43 mm racing set, among others.
The detailed dimensions of the piston rings according to the technical drawing can be found in the details. You can also find out about the common piston rings, their dimensions and locking types on the legend in the pictures.
| Nominal diameter | 43 mm |
| Height | 1.5 mm |
| Manufacturer | GPO |
| Area of application | Tuning |
| Diameter | 43 mm |
| Piston ring mold | Rectangular ring |
| Piston ring impact | Internal fuse (IS) |
| Thick piston ring | 1.7 mm |
| Sachs | 50 (Fahrtwind, 1.25 / 1.5 hp, DE) 502 (Saxonette) - AL , AML 50/2 - L CH (0.8 PS) , ML CH (0.8 PS) , MB (2.6 PS) , MLB (2.6 PS) 50/3 50/4 - MLFB (2.6 PS) , LKH (4.5 PS) 503 |
Ratings
Accessories & related products
GPO piston 43 mm | Sachs 50/2, 50/3, 50/4
Manufacturer: GPO · Thick piston ring: 1.8 mm · Ø outside piston (A): 42.94 mm · Compression height (C): 27.7 mm · Curvature (D): 2.4 mm · Total piston height (E): 50.2 mm · Number of piston rings (F): 2 pcs · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Nominal diameter: 43 mm · Ø piston pin (B): 12 mm · Piston ring height: 1.5 mm
EUR 55.00
GPO 43 mm "Pomodoro" cylinder kit | Sachs 503 2AL, AAL, 2BL, ABL
Manufacturer: GPO · Material: Gray cast iron · Area of application: Tuning · Crankshaft stroke: 43 mm · Displacement: 63 ccm · Hole spacing inlet: 32 mm · Ø cylinder neck: 45 mm · Ø outlet inside: 22 mm · Ø Outlet outside: 26 mm · Nominal diameter: 43 mm · Ø Inlet inside: 19 mm · Ø piston pin (B): 12 mm · Thread inlet: M6x1 (standard thread) · Hole pattern [mm]: 40 x 60 / 37 x 37 · Outlet type: clamped · Alternative version of the Pony OEM number: A1087 · Alternative version of the Sachs OEM number: 0213 142 000
EUR 269.50
BAD ASS Ø 43 mm "Pandora" BigBore tuning cylinder | Sachs 503, 50/2, 502
Manufacturer: BAD ASS · Camouflaged: No · Area of application: Tuning · Material: Gray cast iron · Surface: sandblasted · Crankshaft stroke: 42 mm · Displacement: 63 ccm · Nominal diameter: 43 mm · Ø cylinder neck: 45 mm · Ø Outlet outside: 26 mm · Ø outlet inside: 23 mm · Ø Inlet inside: 19 mm · Hole spacing inlet: 32 mm · Number of fixing points: 4 pcs · Ø piston pin (B): 12 mm · Thread inlet: M6x1 (standard thread) · Hole pattern [mm]: 40 x 60 / 37 x 37 · Outlet type: clamped
EUR 392.10
Explore categories from Piston
Moped fans also bought
Hot 
BERU spark plug connector / 1 kΩ interference suppressed
Ø cable: 5 mm · Ø cable: 7 mm · Manufacturer: BERU · Material: Sheet metal (steel) · Color: silver · Spark plug socket: M4 · Cable available: No · Suppressed: Yes · Resistance: 1000 Ω · Subcategory: Spark plug connector · Pony OEM number: A2099 · Sachs OEM no.: 0265 100 00
EUR 10.80
Motorex engine oil (gear oil) manual 450 ml
Temperature resistance (min.): -30 - 220 °C · Manufacturer: Motorex · Oil type: GL4 · Viscosity (SAE): 80W · Contents: 450 ml · Gearbox type: Foot control · Gearbox type: Manual gearshift · Area of application: Gearbox lubrication with clutch
EUR 13.40
EUR 29.78/l
swiing® revival locking plate drive wheel Inox | Sachs 50/2, 50/3, 50/4, 503 2AL/2BL (A1717)
Manufacturer: swiing® revival parts · Material: Chrome steel (colloquially known as stainless steel) · Thickness: 0.5 mm · Number of lobes: 1 pcs · Pony OEM number: A1717 · Sachs OEM no.: A1717 · Sachs OEM no.: 0246 049 000
EUR 8.45
GPO cylinder gasket set BAD ASS Pandora 41 & 43 mm | Sachs 503, 50/2, 502
Manufacturer: GPO · Material: Oiled paper · Ø cylinder: 41 mm · Ø cylinder: 43 mm · Thickness: 0.3 mm · Thickness: 1 mm · Hole spacing inlet: 32 mm · Number of components: 2 pcs · Hole pattern [mm]: 60 x 40 mm / 37 x 37 mm · Area of application: Tuning
EUR 17.80
swiing® ingenious 43 mm cylinder head gasket | Sachs 503, 502, 50/2, 50/3, 50/4
Manufacturer: swiing® ingenious parts · Material: Aluminum · Ø cylinder: 43 mm · Reinforced: No · Nominal diameter: 43 mm · Ø inside: 43.2 mm · Place of use: Cylinder head · Thickness: 0.4 mm · Hole pattern [mm]: 37 x 37
EUR 7.25
Attention: new opening hours from 16.02.2026 & new evening sale on Thursday 17:30-20:00
