Engineering Services

MerCruiser Outdrive Service

Either a Full or Partial service on MerCruiser outdrives including:

MR, Alpha 1, Bravo 1, Bravo 2, and Bravo 3.

Volvo Penta Outdrive Servicing 

Either a full or partial service on the complete range of Volvo Penta outdrives including:

Volvo Penta 270, 280, 290, DPH, SX-A, SX-M, etc…

EFI (Electronic Fuel Injection), MPI (Multi Port Injection) Fault Diagnostics

Our Engineers are trained on the latest fault diagnostic software to efficiently rectify faults on a variety of engines including: 

MerCruiser – Pleasure Craft – Indmar – Volvo Penta and OMC.

Bowthruster Complete Installation including Tunnel
Prices vary depending on vessel size and thruster power required, and layout of your boat for installation of batteries and wiring and location of the Thruster. Where space is a limitation then jet thrusters are an option ( Although currently quite expensive ). Our engineers are experts at propellor installations and will be able to advise. 

  Lewmar and Vetus propellor models shown and a diagram of a jet installation

At Marlex Marine we understand the enormous amount of trust our customers put in us. With the majority of business being repeat custom, and owners bringing boats to us from all over the country, we believe our customers trust is built on our strong reputation for first class engineering and of course, our great attention to detail.

  • Out drives. Factory trained Mercruiser technicians
  • Out drives / stern drives / z drives… Some are more complicated then others but all of them need regular servicing.
  • Out drive servicing goes along way beyond changing the oil. There are rubber bellows, lip seals, hydraulic trim/tilt system, position indicators….. The list is long!
  • All of these systems along with there serviceable items need to be checked, serviced and setup properly.
  • Serious damage, big bills and even sinkage can occur if your out drives are not looked after regularly.

At Marlex Marine we have all the expert knowledge and all of the correct equipment to care for your out drives. 

Please call or Email for an estimate. (Please provide make, model and serial number when emailing)


We have Manufacture trained Suzuki technicians with over 25 years diagnostic experience. At Marlex marine we have all the experience and correct tooling to care and test your high performance outboard engines. Test tanks and 55 acre test lake on site, test your boat on site before paying your bill. We are confident you’ll be satisfied.

Please call or email for a free estimate. (Please provide make, model and serial number when emailing)


The heart of any in-board boat! Correct and regular servicing is crucial.

At Marlex Marine we have the best tools, knowledge and facilities to care for marine engine. An inboard marine engine has a high price tag to replace. So it makes sense to have it looked after and maintained properly.

We understand the need for complete reliability. Whether you’ve planned a weekend water skiing or are setting sail for holland. Marine engine’s need to be reliable, there’s nothing more annoying or potentially dangerous then an unreliable engine.

Diesel Heating Specialist

Mobile heating service engineer available to visit your site 

Webasto, Eberspachure, Mikuni heating systems. 

As official dealers we are able to offer Webasto system design, specification, and installation. Please call to discuss your needs. 01480 812225

New Engine Installation. Repower. Replace twin Engine for single. Electric Power

There are many options for the boat owner in todays market place, with brands such as Volvo, Vetus, Nanni, and many more to consider . At Marlex we have fitted all these brands to our customers boats and have the expertise to install and service these engines with the advanced diagnostics now a standard requirement.


Make the most of your batteries with the ChargeMaster series, plugging in and charging anywhere in the world. Mastervolt’s ChargeMaster guarantees fast and complete charging of your batteries no matter where you are. Thanks to Mastervolt’s innovative 3-step+ charging process, batteries also perform better and last longer.

All ChargeMasters can be easily connected to a MasterBus network with only one cable and one connection (with the exception of the ChargeMaster 12/10, ChargeMaster 12/15-2 and ChargeMaster 24/6). What’s more, you have the option for central, local or remote monitoring, configuration and control of your system.

Clear Display

A clearly lit display on the ChargeMaster provides all essential information: charge current, charge voltage, charge phase and battery content measurement and/or battery condition measurement as a percentage of available Ah capacity. The display also provides an indication of MasterBus communication. Three buttons adjacent to the read-out panel allow for easy operating of the entire system. 

The ChargeMaster is available in various models to guarantee you the ideal battery charger for any situation and demand.


 Gary King  – Examiner

Phone : 01480 812225 or Mobile 07930 384143