Let's talk about Cylinder Kits for Scooters and Motorcycles – one of the most popular upgrades (or spare parts) in the world of two-wheelers, especially for those looking for more power, engine restoration, or long-lasting reliability.

🔥 What is a Thermal Group?

The combustion chamber is the heart of the engine: it's the set of components where combustion takes place. Replacing it means renewing or enhancing the engine.

📦 Main components:

1. Cylinder
2. Head (sometimes included)
3. Piston
4. Elastic bands
5. Pin + Seeger
6. Gaskets

🏍️ Types of Thermal Units

🔹 1. Original / OEM

🔹 2. Base / Sports

🔹 3. Racing / High Performance

⚙️ Cylinder Materials

Cast iron -> Cheaper, stronger, easier to grind

Aluminum -> Lighter, cools better, ideal for performance

🛠️ What to consider before purchasing

1. Compatibility with your model (brand, engine size, cooling)
2. Use: urban, sporty, track
   Exhaust system
3. Reliability of the rest of the engine (connecting rod, bearings, carburetor)
4. Cooling: air or liquid