
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.
| Manufacturer | GPO |
| Area of application | Tuning |
| Nominal diameter | 43 mm |
| Piston ring mold | Rectangular ring |
| Piston ring impact | Internal fuse (IS) |
| Thick piston ring | 1.7 mm |
| Height | 1.5 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 |
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GPO piston 43 mm | Sachs 50/2, 50/3, 50/4
Nominal diameter: 43 mm · Manufacturer: GPO · 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) · Ø piston pin (B): 12 mm · Piston ring height: 1.5 mm · Thick piston ring: 1.8 mm
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GPO 43 mm "Pomodoro" cylinder kit | Sachs 503 2AL, AAL, 2BL, ABL
Nominal diameter: 43 mm · Manufacturer: GPO · Material: Gray cast iron · Area of application: Tuning · Crankshaft stroke: 43 mm · Displacement: 63 ccm · Ø cylinder neck: 45 mm · Ø outlet inside: 22 mm · Ø Outlet outside: 26 mm · Ø Inlet inside: 19 mm · Hole spacing inlet: 32 mm · Ø piston pin (B): 12 mm · Thread inlet: M6x1 (standard thread) · Outlet type: clamped · Hole pattern [mm]: 40 x 60 / 37 x 37 · Alternative version of the Pony OEM number: A1087 · Alternative version of the Sachs OEM number: 0213 142 000
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