Description
Cylinder Kit Doppler Alu 50cc Peugeot 103 LC, aluminium cylinder ER1 for vintage mopeds. Like most aluminium kits, it has a durable friction-reducing Nikasil liner. The cylinder has 5 transfer ports and an exhaust with boost ports. It comes with a 1-ring piston with a 12mm piston pin.
The cylinder is quite torquey in the mid rpm range and revs a lot higher than the original engine. While not reaching the high-end range, it is a powerful Sport / MidRace / Racing kit, you will definitely get a considerable boost.
And as always - best combined with other tuning components like a tuning exhaust and a larger carburetor (15mm minimum). The cylinder comes with a high-compression head to boost performance even more.
50cc -> road-legal!
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: Racing
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.
Racing products are designed for a more extreme uses and are developed primarily for racing. Whether you stay at 50cc or increase the displacement, the corresponding Racing parts produce much higher performance than the original parts in order to achieve maximum power.
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.
