43.0 mm piston with two 1.5 mm rectangular piston rings with internal fuse (IS) suitable for various mopeds / mopeds with Sachs 50/2, 50/3, 50/4 engines.
This replacement piston is suitable for the GPO Pomodoro 43 mm as well as the Badass Pandora 43 mm racing kit.
The detailed dimensions of the piston according to the technical drawing can be found in the details. You can also find out about the relevant piston rings, their stems and locking types on the legend in the pictures.
The piston kit contains piston pin, piston clips and piston ring.
You will find the corresponding assembly tool and piston pin locks in the accessories section.
Good, inexpensive standard spare part. GPO – GOOD PARTS ONLY.
| 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 |
| Nominal diameter | 43 mm |
| Piston ring mold | Rectangular ring |
| Piston ring impact | Internal fuse (IS) |
| Piston ring height | 1.5 mm |
| Thick piston ring | 1.8 mm |
| Ø piston pin (B) | 12 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 - AAL , ABL , 2AL / 2BL |
Accessories & related products
GPO piston pin extractor Ø 10, 12, 14 mm
Manufacturer: GPO · Material: Steel · Surface: burnished · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Number of components: 7 pcs · Width across flats: 10 mm · Width across flats: 17 mm · Total length: 130 mm · Area of application: (Dis)assembly tool
EUR 24.40
Explore categories from Piston
Moped fans also bought
Hot 
swiing® ingenious 15 mm carburetor camouflaged | Sachs 503
Manufacturer: swiing® ingenious parts · Material: Aluminum · Camouflaged: Yes · Component group Carburetor: Carburetor complete · Width: 50 mm · Carburetor type: SRE · Height: 95 mm · Nominal diameter: 15 mm · Total length: 66 mm · Nozzle thread: M3.5x0.6 (standard thread) · Nozzle size: 62 · Area of application: Tuning · Ø Inside entrance: 15 mm · Ø Internal connection: 20 mm · Mounting type: Plug connection clamped · Ø Output inside: 15 mm · Ø Air filter connection: 20 mm · Ø fuel hose connection: 6 mm · Mixed oil connection: No · Vacuum connection: No · Choke control: Hand choke · Nozzle block: 2.17 · Clamping screw torque (max.): 4 N/m
EUR 97.90
swiing® ingenious 15 mm intake manifold long version | Sachs 503 2AL, 2BL
Manufacturer: swiing® ingenious parts · Material: Aluminum · Camouflaged: No · Ø inside: 15 mm · Total length: 70 mm · Thread type: M6x1 (standard thread) · Ø External connection: 20 mm · Number of fixing points: 2 pcs · Height flange center hole: 70 mm · Total height: 80 mm · Mounting type: Screws · Hole spacing inlet: 32 mm · Area of application: Tuning · Pony OEM number: A2176
EUR 73.40
swiing® revival silent blocks Alu Racing | Sachs 503 / 504 / 505 / 535
Manufacturer: swiing® revival parts · Material: Aluminum · Surface: anodized · Ø inside: 8.3 mm · Nominal diameter inside: 8.5 mm · Ø outside: 21.95 mm · Ø Bundle: 26 mm · Total length: 13 mm · Alternative version of the Pony OEM number: A4286 · Alternative version of the Sachs OEM number: 0251 121 000
EUR 29.30
GPO 43 mm "Pomodoro" cylinder kit | Sachs 503 2AL, AAL, 2BL, ABL
Nominal diameter: 43 mm · Manufacturer: GPO · Material: Gray cast iron · Displacement: 63 ccm · Crankshaft stroke: 43 mm · Ø cylinder neck: 45 mm · Ø Outlet outside: 26 mm · Ø outlet inside: 22 mm · Ø Inlet inside: 19 mm · Thread inlet: M6x1 (standard thread) · Hole spacing inlet: 32 mm · Ø piston pin (B): 12 mm · Outlet type: clamped · Hole pattern [mm]: 40 x 60 / 37 x 37 · Area of application: Tuning · Alternative version of the Pony OEM number: A1087 · Alternative version of the Sachs OEM number: 0213 142 000
EUR 269.50
Working late? Evening hours on Thursday until 20:00
