Aprilia SX 125 Suction & injection system

The exhaust slide valve of throttled Rotax 122 & 123 engines is opened abruptly at 8,000 rpm by the electrical control of the slide valve. Not everyone can cope with this sudden power delivery and not everyone wants to be driving at such...

Pneumatic exhaust system for the Aprilia RS 125 engine. Most people will have noticed on their 125cc Aprilia RS that when the engine is de-throttled the power is suddenly released at around 8000 rpm by opening the exhaust slide. As this...

The recessed intake tract ensures better airflow and thus improved engine response. The outer dimensions of the carburettor as well as the intake manifold connection width (up to 30mm: 35mm/ from 32mm: 40mm) have been reduced for easier...

In the course of time the original hose can become porous, so that oil leaks out. This will not only make your engine dirty, but it will also lose lubrication, which can lead to the dreaded piston jam. 1m - universally applicable. 3 x 5mm

Manual fuel tap. Especially useful for converted carburettors or intake manifolds which are not equipped with a vacuum connection. Usually the vacuum taps are then drilled through. In order to prevent the unintentional leakage of petrol...

Spring clip for a tight fit of the fuel hose on the fuel tap and carburetor connection. 8,8 - 9,5mm

The V-Force reed valve block from Italkit has a maximum cross-section on the smallest valves. This allows the diaphragms to open and close with less inherent gas force, resulting in higher efficiency and improved motor performance....