The longest established Dynojet motorcycle dyno centre in the UK. Motrac Race Engineering Ltd offers an advanced range of dynamometer services for racers, manufacturers, enthusiasts and riders seeking optimum performance. We have developed an integrated RAM-AIR simulation system, tracking road speed to match air-flow delivery. Real time air/fuel Ratio, power and torque measurement. Transient and steady-state testing capability.

27 years of dynamometer testing experience!! 

Motrac is one of the most trusted Motorcycle Dyno centres in the UK and has been providing specialised diagnostic services to a wide range of customers since 1990.

Integrated on-site facilities include:


  • A Specialist Dyno cell containing a full spec – 250 model Dynojet motorcycle rolling road dynamometer with inertia and static load devices accurately measuring power and torque. The dyno can  measure upto to 500 horsepower.
  • Motrac Racing’s exceptional diagnostic capabilities include a range of data recording however,     the most important component is an experienced operator!!


Power Commanders

Take full control of your engine management system with the installation of a DynoJet Power Commander from Motrac Racing.

As an Authorized Power Commander tuning centre, Motrac Racing can supply and fit the proven technology of Power Commanders, which when used in conjunction with their advanced Dyno facilities, can fully optimize the performance of your machine, providing crisper throttle response, increased horsepower and optimal fuel consumption.

The Power Commander is a fuel injection (and ignition timing on some models) adjustment unit, that offers adjustment to a bikes fuel and ignition curves without permanent changes to the bikes ECU (electronic control unit).

The perfect air/fuel ratio will ensure that the engine can produce the maximum possible horsepower for any given combination.

Power Commander 5 (PCV) has many advanced features including gear and cylinder specific mapping, multi-map storage and integration with other dynojet equipment such as quickshifters and other modules.

Power Commanders are available for a massive range of machines – for the full range or exact pricing, please call Motrac Racing on 01244 568925 for further details.


All models of power commander are supported with our custom mapping services. From the very early serial comms unit to the very latest models from dynojet. Custom mapping services start at £180 inc VAT.


DynoJet Jet Kits

If you’re looking to optimise the performance of your carburetted machine then Dynojet Jet Kits supplied and fitted by Motrac Racing can provide you with a solution to your carburetion requirements.

Motrac Racing can supply a wide range of kits to fit any application, giving increased power and smoothness throughout the entire rev range, while maintaining optimum fuel economy, improving throttle response and overall performance.

Utilising Motrac Racing’s depth of knowledge and experience in this field, they can accurately advise you on the necessary Jet kit for your requirements to provide you with the optimum results in power increase and rideablility.


Suzuki Fuel Injection Re-mapping

Utilising a specific Yoshimura fuel injection interface Motrac Racing can remap the ECU (Electronic Control Unit) on certain Suzukis

Price: £80 inclusive of Vat and Dyno time

Call Motrac Now