The Flexball control system and digital communication technology offers the highest standard for water sports and commercial shipping.

Koopmans Yachtservice is the exclusive agent for Flexball, the leading manufacturer of marine control systems. Flexball has over 50 years of experience in the worldwide marine control system market and has a strong reputation for delivering reliable, innovative engine control systems for all types of applications and vessels. They work directly with engine manufacturers, boat builders and technical service companies worldwide. The Flexball 4500-5000 series offers superior electronic control possibilities for any inboard or outboard motorboat.

The 4500 Series for both mechanical solutions and superior digital communication technology

Flexball’s modular construction provides maximum flexibility, reliability and ease of installation. The 4500 Series controller offers maximum installation flexibility that can be used with electronic motors and electric shift transmission.


The Flexball Control system from the 4500 series ensures superior boat driving pleasure. The system is characterized by its high degree of reliability in terms of maximum flexibility and ease of installation. The control system consists of four main components:


  1. Control station
  2. Actuator
  3. Data cables
  4. Mechanical push-pull cables.

Flexball control system is compatible with multiple vessels

Flexball control systems are compatible with all electronic and mechanical engines. Whether electronic, mechanical, inboard or outboard. There is a problem-free connection with the various transmissions such as saildrives, sterndrives, inboards, outboards and waterjets.


The control system increases the performance of your propulsion engine which is accessible for every type of boat from high-end pleasure craft to marine engines. From motor yachts, sloops, sport fishermen, trawlers, work boats to military vessels.

Complete reliability and  safety for boat driving


The 4500 series controller offers stylish Italian design combined with unsurpassed system architecture and robust construction. An optimal combination of both mechanical solutions and digital communication technology. Flexball's modular construction ensures maximum flexibility, reliability and ease of installation


Flexball throttles have a very high operational reliability.  This is why it also has the Rina quality mark which is comparable to Lloyds and DNV. If for whatever reason the system fails, you always have the possibility to operate the system manually, unlike many other manufacturers of control systems.


Safety and operational reliability are of paramount importance to Flexball.

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