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Fan-cooled 41 mm S3 (55 cc) racing kit suitable for your moped or small motorcycle with a Sachs 50/2 (DE) or 50/3 engine.
This tuning cylinder is a clear statement for anyone who wants real performance. Meticulously handcrafted by Tivedens Motor, this cylinder delivers uncompromising torque, crisp throttle response, and a riding experience that immediately impresses. Each individual cylinder is numbered and crafted with extensive experience, technical expertise, and a genuine passion for performance. Depending on the setup used, the manufacturer claims it can deliver 6.9–7.3 hp.
A racing cylinder for anyone who doesn’t want to spend time comparing options, but is looking for a part that works, delivers performance, and is simply fun. Install it, ride it, smile.
Scope of delivery as shown in Image 1.
Note: The cylinder is equipped with a large square intake port for a 17 mm carburetor and a large M40 exhaust thread. Please take this into account when selecting your additional components. Please observe the installation direction during assembly. The piston is installed with the arrow pointing toward the exhaust on the exhaust side.
You can find the matching cylinder head, mounting hardware, exhaust systems, and threadlocker in the accessories section.
Quality product from the Swedish manufacturer Tivedens Motor AB
| Manufacturer | Tivedens Motor AB |
| Material | Gray cast iron |
| Area of application | Tuning |
| Surface | varnished |
| Displacement | 55 ccm |
| Crankshaft stroke | 42 mm |
| Nominal diameter | 41 mm |
| Ø piston pin (B) | 12 mm |
| Ø cylinder neck | 44 mm |
| Ø Outlet outside | 40 mm |
| Ø outlet inside | 29.5 mm |
| Inlet window | 17 x 15 mm |
| Thread inlet | M5x0.8 (standard thread) |
| Hole spacing inlet | 31 mm |
| Number of fixing points | 4 pcs |
| Outlet type | Union nut |
| Thread outlet | MF40x1.5 (fine pitch thread) |
| Sachs | 50/2 50/3 50/4 |
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swiing® ingenious 41 mm cylinder head tuning | Sachs 50/2, 50/3, 50/4
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swiing® ingenious exhaust nut M40x1.5 long 32 mm manifold | Sachs
Manufacturer: swiing® ingenious parts · Material: Steel · Surface: chrome-plated · Nut type: Union nut · Ø inside: 32.5 mm · Thread type: MF40x1.5 (fine pitch thread) · Height: 22 mm · Nominal diameter (thread): 40 mm · Ø outside: 45 mm
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Tivedens engine 41 mm cylinder kit S3 | Sachs 50/2 (DE), 50/3, 50/4
Manufacturer: Tivedens Motor AB · Material: Gray cast iron · Area of application: Tuning · Surface: varnished · Nominal diameter: 41 mm · Crankshaft stroke: 42 mm · Displacement: 55 ccm · Ø piston pin (B): 12 mm · Ø cylinder neck: 44 mm · Ø Outlet outside: 40 mm · Ø outlet inside: 29.5 mm · Inlet window: 17 x 15 mm · Thread inlet: M5x0.8 (standard thread) · Number of fixing points: 4 pcs · Hole spacing inlet: 31 mm · Outlet type: Union nut · Thread outlet: MF40x1.5 (fine pitch thread)
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Tivedens engine 41 mm cylinder kit S4 | Sachs 50/2 (DE), 50/3, 50/4
Manufacturer: Barikite · Manufacturer: Tivedens Motor AB · Material: Gray cast iron · Area of application: Tuning · Nominal diameter: 41 mm · Crankshaft stroke: 42 mm · Displacement: 55 ccm · Ø piston pin (B): 12 mm · Ø cylinder neck: 45 mm · Ø Outlet outside: 40 mm · Ø outlet inside: 18 mm · Ø outlet inside: 30 mm · Inlet window: 17 x 15 mm · Thread inlet: M5x0.8 (standard thread) · Number of fixing points: 4 pcs · Hole spacing inlet: 31 mm · Outlet type: Union nut · Thread outlet: MF36x1.5 (fine pitch thread)
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