The Rotax EN 125 Max DD2 EVO is a karting engine Two times 125 cm³ very high level, designed for experienced drivers wishing to compete in National and international categories With a powerful, reliable and compliant motorization of competition standards. He is part of the engines family Rotax Max recognized worldwide for their reliability, technical innovation and broad adoption in racing series Rotax and other homologated championships.

Main technical characteristics

• Type : Monocylinder, two times

• Displacement : 124.8 cm³

• Maximum power : about 34 CV (25 kW) at 12,000 rpm

• Maximum couple : about 22 nm at 10 500 rpm

• Cooling : Liquid with integrated water pump

• Admission : Valves

• Ignition : Digital

• Transmission system : Chainless (without chain) with Two-report gearbox

• Speed control : Paddles driving (Electric Shifting Assistance)

• Weight (kg) :

  • Nude motor: ~ 16.8 kg

  • Complete motor with pack: ~ 28.8 kg

• Balance : Built-in counter-tree

• Starter motor : Electric included in the pack

• Clutch : Oil bath centrifugal

• Approval : Approved in Karting Competition and applicable to Categories DD2 approved

• Sketch : ~ 1040 mm according to chassis and regulation

• Configuration : Complies with the technical standards of competitions Rotax and the brand cup Rotax, including original parts requirements and modification restrictions.

Concept and strengths

Innovative transmission without chain

The Rotax DD2 EVO introduces a Direct transmission system (Chain not required), wherein the rear shaft passes directly through the engine. This reduces maintenance, improves reliability and provides a more direct driving sensation.

Two-report gearbox

The two-speed integrated box allows the driver to:

• fully exploit the power of the engine at different schemes,

• use report change pallets from the steering wheel for a Fast and intuitive management in the race.

Advanced control system

The engine integrates a Electronic operating valve which optimizes the pressure of the gases, promoting more regular power and responsive to different schemes.

Engine content with complete pack

A Rotax EN 125 Max DD2 EVO engine delivered in complete pack typically includes:

• DD2 EVO engine

• Admission silencer with air filter

• Adapted carburettor

• Fuel pump and hoses

• Complete exhaust system

• Radiator with pipes

• Battery case and support

• Electric beam and switches (ON / OFF / START)

• Relays and cables required for installation

• Optionally charger or adapter for battery according to distributor and settlement.

Performance and use

The Rotax DD2 EVO engine develops a power and a torque adapted to the Required competition, with reliability that makes it a privileged choice for pilots aimed at:

• National or international championships

• the series Rotax Max Challenge and DD2

• Sprint or Endurance races
  It offers stable performance with an excellent acceleration response, while maintaining a competitive engine longevity.

Chassis compatibility

This engine is compatible with chassis designed to accommodate motorizations Rotax type DD2, often with a wheelbase around 1040 mm and a braking system complies with the DD2 regulations. Integration requires motor brackets, suitable fasteners and configuration compliant with race series technical standards.

Maintenance and recommendations

To guarantee Reliability and optimal longevity :

• Respect the revision intervals recommended by Rotax.

• Use only original parts Rotax or approved.

• Regularly check the cooling circuit, the carburation and the clutch elements.

• Entrust complex technical interventions (p.ex. gearbox, electronic controls) to a karting professional experienced.

MagickArt Council

Engine Rotax EN 125 Max DD2 EVO represents a complete solution for competitive drivers looking for a motorization modern, powerful and robust, with engine management and two-speed transmission that bring Karting's driving closer to the automotive experience.