41.0 mm piston with two 1.5 mm rectangular piston rings with internal fuse (IS) suitable for Sachs mopeds / mopeds 502, 50/2, 50/3 and 50/4 cylinders.
This replacement piston is suitable for the GPO Pomodoro 41 mm as well as the Badass Pandora 41 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.
We recommend a piston clearance of 0.06 mm, so the cylinder should have a bore of 41.0 mm. The piston skirt is shortened by 4 mm on the inlet side.
The piston kit contains piston pins, piston clips and piston rings.
You will find the appropriate fitting tools, piston pin locks and, if necessary, the corresponding cylinder in the accessories section.
Good, inexpensive standard spare part. GPO – GOOD PARTS ONLY.
Suitable for the following models
| Sachs | 50 (Fahrtwind, 1.25 / 1.5 PS, 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
BAD ASS Ø 41 mm "Pandora" tuning cylinder | Sachs 503, 50/2, 502
Nominal diameter: 41 mm · Manufacturer: BAD ASS · Material: Gray cast iron · Surface: sandblasted · Displacement: 55 ccm · Crankshaft stroke: 42 mm · Ø cylinder neck: 45 mm · Ø Outlet outside: 26 mm · Ø outlet inside: 23 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 · Number of fixing points: 4 pcs · Hole pattern [mm]: 40 x 60 / 37 x 37 · Camouflaged: No · Area of application: Tuning
CHF 189.90
CHF 228.90
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Manufacturer: GPO · Manufacturer: swiing® ingenious parts · Material: Gray cast iron · Camouflaged: Yes · Surface: sandblasted · Displacement: 55 ccm · Nominal diameter: 41 mm · Crankshaft stroke: 42 mm · Ø cylinder neck: 44 mm · Ø Outlet outside: 35 mm · Ø outlet inside: 26 mm · Ø Inlet inside: 19 mm · Hole spacing inlet: 68 mm · Inlet window: 57.5 x 19 · Thread inlet: M5x0.8 (standard thread) · Area of application: Tuning · Ø piston pin (B): 12 mm · Hole pattern [mm]: 60 x 40 / 37 x 37 · Outlet type: Union nut · Number of fixing points: 4 pcs · Thread outlet: M35x2 (standard thread)
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Nominal diameter: 41 mm · Manufacturer: GPO · Material: Gray cast iron · Displacement: 55 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: M5x0.8 (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
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Collection only possible with online purchase and appointment.
