Boyesen Power Reeds Sheets Gas Gas EC 200/250/300 99-05

The Boyesen system consists of 4 reeds made of fiberglass.

The smallest ones are those located at the top; these are usually thinner to promote acceleration and engine filling at low revolutions. The thicker ones, on the other hand, work at high revolutions to provide greater flow to the engine.

With this system, greater efficiency is achieved, with a much faster and more energetic power delivery at all engine speeds.

Adaptable to the models 

Gas Gas

• EC 200 99-05
• EC 250 97-05
• EC 300 99-05
• MC 250 98-05