Description
120cc Big Bore ATHENA racing cylinder for Honda MBX 80, MTX R 80 and NSR 80 R
More power for the race track
The ATHENA Racing Big Bore Cylinder Kit is the perfect solution for anyone who wants to maximize the performance of their Honda MBX 80, MTX R 80 and NSR 80 R motorcycles. This kit, specially developed for racing, offers a significant increase in performance thanks to its larger displacement of 120 cc and its high-quality design.
athena racing big bore kit - Advanced technology
Made from high-quality aluminium with nickel-silicon coating, the 55 mm diameter cylinder has been optimized for high temperatures and the demands of racing. With 8 transfer ports (6 side and 2 rear), the design significantly improves gas flow, resulting in a noticeable increase in power and torque at both low and high engine speeds.
Racing only - Not approved for road use
This kit is designed exclusively for use in racing. It contains a VERTEX double piston ring that optimizes performance at both low and high engine speeds. It is recommended to combine the kit with a larger 24 mm carburetor, a racing exhaust, a reinforced crankshaft and heavy-duty bearings to achieve the best possible performance.
The ATHENA Racing Big Bore 120cc complete kit contains:
- Aluminum cylinder 120cc 8 transfer ports Ø55mm (WITHOUT cylinder head)
- VERTEX 2-ring piston (1.5mm rings) with side grease nipples
- Reinforced piston pin and clips
- Gasket set
- Stud bolt
Compatible models:
- Honda MBX 80
- Honda MTX R 80
- Honda NSR 80 R
Important note: The gaskets included in the kit are specially designed for ATHENA cylinders. When dismantling, original spare parts should always be used to ensure optimum sealing.
How to Install a cylinder on a scooter, motorcycle or moped
The cylinder or cylinder kit is the heart of the engine on scooters, motorcycles and mopeds. It consists of a cylinder, a piston with piston ring(s), a cylinder head and gaskets needed for installation.
The service life of a cylinder depends on whether it has been fitted correctly.
Tuning Level: Sport
We categorize our products into different performance levels Original, Sport, Racing and High End , so that our customers can choose the right parts for their setup. It is really important to combine parts that belong to the same tuning level, this is especially true for cylinders, crankshafts and exhausts.
The products listed under Sport yield better performance than Original parts. They may have technical differences, such as the use of higher quality materials, a larger displacement or a performance-enhancing design. They are suitable for everyday use and have a long service life.
Aluminium cylinders
Aluminium cylinders are more powerful than cast iron cylinders, but require more regular maintenance and must be combined with different components such as a reinforced crankshaft and a larger carburetor.
How to run in an aluminium cylinder?
Aluminium cylinders should be run in for about 200 kilometers , and you should use a fully synthetic engine oil.
Note: To ensure optimum performance and reliability, it is advisable to measure the squish clearance. Just have a look at our tutorial How to adjust squish clearance.
| Cylinder Athena Alu 120cc Honda MTX 80 | |
|---|---|
| Article no. | AT-060300 |
| EAN | 8052204291816 |
| Weight | 1,39 kg |
| Product type | Cylinder kit |
| Tuning level | Sport |
| Cylinder material | Aluminium |
| Bore | 55 mm |
