Thetraining lid Rotax MAX EVO blackis a gear protection housing designed for motors Rotax from the MAX range. Made inhigh strength aluminium, it effectively protects the drive system (balance sprocket and internal gears) while ensuring excellent thermal dissipation.

The Pion of water pump pinion (D4 x 15.8 mm) is the mechanical link axis that crosses the water pump shaft to secure the drive sprocket. With its diameter of 4 mm and its precise length of 15.8 mmHe acts as a transmission pin. It is he who physically transmits the rotary motion of the bottom motor to the propeller of the water pump.