Outboard Service

MB Marine Sales Ltd - THE Service Centre For Marine Outboards

Using only factory trained Marine Engineers, we carry out all types of outboard engine servicing for your two and four stroke marine outboard engines – first and annual / full services, pre and mid season outboard checks and winterisations.

We have over 40 years experience of working all outboards and have built up specialist knowledge on the highest horse power models on today’s waters, including the most recent Mercury Verado 300, 350hp and 400hp and Suzuki 300hp & YAMAHA 's V8 350 HP. Our services include:

  • First, Mid season and annual outboard engine services
  • What is done in a service (see below)
  • Start and end of season outboard checks
  • Off site servicing is available, fully insured
  • Outboard engine fault finding
  • Computer Diagnostics for outboard faults using Genuine Mercury, Mariner, Suzuki, Yamaha & Honda diagnostic equipment
  • Mercury, Mariner, Suzuki, YAMAHA & Honda outboard engine warranty work
  • Rigging of outboard engines to new boats
  • Replacing old engines with new
  • Race maintenance and performance enhancement
  • Propeller repairs and replacement
  • Mercury and Suzuki outboard engine sales
  • Mercury, Mariner, Suzuki, YAMAHA & Honda outboard parts sales
  • Fitting of boat electronics e.g. VHF, GPS Stereo Systems & NMEA 2000
  • RIB repairs, using an approved contractor
  • GRP coat repairs, antifouling and boat cleaning, using an approved contractor
  • Trade accounts welcome (subject to terms and conditions)
  • Insurance appraisals for outboard engine damage

Our facilities include:

  • Purpose built workshop facilities based in Ocean Quay, on the River Itchen
  • Workshop space for boats secured on trailers
  • Diagnostic testing equipment for Mercury, Mariner, Suzuki, Yamaha & Honda
  • Drive in test tank, no need to take the outboard off the boat for testing
  • DIGITAL FUEL INJECTOR CLEANER
  • Online ordering system for Mercury, Mariner, Suzuki & Honda parts and engines
  • Online warranty system for Mercury, Mariner and Suzuki
  • Fully insured services (both on and off site)
  • Close access to the Southampton Dry Stack, Shamrock Quay, Saxon Wharf, Swanwick, Hamble, Warsash and Solent area
  • Fully secure Quay with gated access out of hours, and CCTV

What is done in a service

Item Work done 1st 20hr service Annual service Start/end season check Mid-season check
Anodes Check/replace (if required) Yes Yes Yes Yes
Battery and terminals Check Yes Yes Yes Yes
Carburettor Check/adjust Yes Yes Yes Yes
Choke system Check/adjust   Yes    
Compression Check   Yes    
Cooling system (incl thermostat and impeller) Check/replace (if required) Yes Yes    
Cylinder head Check/tighten bolts Yes Yes    
De-coke engine Clean engine/internal (if required)   Yes    
Diagnostics Run (if model applicable)   Yes   Yes
Engine electrics eg bilge, lights Check Yes Yes Yes Yes
Engine oil and oil leaks Check/top up/replace/repair Yes Yes Yes Yes
Engine Test run (after service/check) Yes Yes Yes Yes
Exhaust system Check Yes Yes    
Fuel filter - high pressure Check/replace (if required)   Yes    
Fuel filter - low pressure Check/replace (if required)   Yes    
Fuel line Check/replace (if required)   Yes    
Fuel pump diaphrams Check/replace (if required)   Yes    
Fuel system Check/flush (not tank) Yes Yes Yes Yes
Gauges Check Yes Yes    
Gear oil Replace Yes Yes    
Grease points As required Yes Yes    
Idle speed Check/adjust Yes Yes    
Ignition timing Check/adjust Yes Yes    
Kill cord Test Yes Yes Yes Yes
Nuts and bolts Check/re-tighten Yes Yes    
Oil filter Replace Yes Yes    
Oil injection Check/adjust Yes Yes    
Power trim/tilt Check Yes Yes    
Propeller Remove/grease/replace   Yes    
Rectifier/charging System Check Yes Yes    
Remote control box Check Yes Yes    
Reverse locks Check Yes Yes    
Spark plugs Replace Yes Yes    
Steering system Check/adjust/bleed Yes Yes Yes Yes
Stop circuit Check Yes Yes    
Thermostat Check/replace (if required)   Yes    
Throttle butterflies Synchronise/balance Yes Yes    
Throttle linkage Check/adjust Yes Yes    
Timing belt Check Yes Yes    
Valves/tappets Adjust Yes Yes    
Warning systems Check Yes Yes    
Water pump impeller/water leaks Check/replace (if required) Yes Yes Yes  
Water trap filter Check/replace (if required) Yes Yes    
Wiring connections Check Yes Yes    

Note: Winter service and winterise – same as annual service with fuel system drained and engine inhibited (not for use)
Start, mid and end of season checks recommended for outboards in constant use throughout season / year.