Yacht Refit & Repair Service in Istanbul, Tuzla & Yalova
Mescomar now brings its marine engineering experience to yachts, superyachts and motor boats. We provide yacht refit, repair and maintenance — with a strong focus on main engine and generator (auxiliary engine) work, alongside hydraulic, mechanical and electrical systems. Our mobile riding teams work at your berth, marina or shipyard in Istanbul, Tuzla and Yalova, across Türkiye and the Mediterranean, and worldwide on request.
Main Engine & Generator (Auxiliary Engine) Service
The engine room is the heart of every refit. Mescomar carries out yacht main engine repair and maintenance and marine generator (genset) service for all major brands — Volvo Penta, Caterpillar (CAT), MAN, MTU, Cummins and Yanmar.
Main Engine Maintenance & Overhaul
- Periodic oil, fuel and air filter replacement
- Fuel injector inspection, cleaning and, where required, calibration
- Turbocharger maintenance and performance checks
- Cooling-system service — heat exchanger, intercooler and seawater pump
- Engine-mount and vibration-damper inspection
- Exhaust system and post-turbo line inspection (exhaust elbow, waterlock)
Generator / Genset (Auxiliary Diesel Engine) Maintenance
- Generator engine oil, filter and coolant service
- Alternator inspection and AVR (Automatic Voltage Regulator) testing
- Control-panel and synchronisation (parallel-operation) testing
- Vibration-mount and exhaust-silencer inspection
General Engine Checks
- Oil analysis for wear monitoring
- Fuel system and fuel/water separator maintenance
- Heat exchanger and seawater-circuit cleaning
Engine spares come from the same team — see our ship main diesel engine, auxiliary diesel engine and turbocharger spare parts.
Stabilizer, Thruster & Steering Systems
We service yacht stabilizers, bow and stern thrusters and steering systems for a smoother, safer yacht.
- Stabilizer maintenance & repair — above- and below-waterline fin systems and seal replacement for Naiad, ABT-TRAC, Side-Power and Quantum
- Bow & stern thruster maintenance, repair and seal replacement
- Steering systems — steering gear, tiller, rudder shaft and related connections
- Shaft & propeller maintenance, repair, dynamic balancing and alignment of the full tiller–rudder–shaft–propeller line
- Marine gearbox & transmission — service and overhaul of the reduction gearbox, clutch and shaft coupling, with oil and seal renewal (ZF, Twin Disc, Volvo Penta)
Hydraulic Systems & Power Units
Mescomar overhauls yacht hydraulic systems end to end — from the power unit to the smallest fitting.
- Maintenance, overhaul and sealing of PTO/AC-driven and gear-type hydraulic pumps
- Hydraulic system flushing, tank cleaning, filter replacement and oil maintenance
- Renewal of hydraulic and seawater hoses and installation of piping lines
- Maintenance and overhaul of hydraulic cylinders, pistons, hydraulic motors, block valves, accumulators and silencer systems
- Detection and repair of oil leaks in hydraulic and mechanical systems
We also supply hydraulic ship-system parts and marine pumps.
Winch, Windlass & Deck Equipment
- Hydraulic and mechanical maintenance and repair of the anchor windlass, capstan and rope/chain systems
- Periodic maintenance and fault-finding on hydraulic deck winches and deck cranes
Sealing, Bearings, Electrical & Pumps
- Replacement of bellows, mechanical seals and sealing components
- Replacement of bearings and oil seals
- Maintenance, overhaul and fault repair of electric motors
- Maintenance and repair of seawater, freshwater and service pumps
Volvo Penta IPS Systems
Maintenance, inspection and repair of Volvo Penta IPS pod-drive systems.
Covered brands & systems
Engines: Volvo Penta, CAT, MAN, MTU, Cummins, Yanmar. Stabilizers: Naiad, ABT-TRAC, Side-Power, Quantum. The scope above is our general range; each job is tailored per vessel after an on-site condition assessment of equipment brand and model.
Why choose Mescomar for yacht refit & repair
You get a marine superintendent’s eye on every job, hands-on riding teams and a single point of contact for the whole refit. Mescomar’s lead engineer is a Bureau Veritas (BV) certified ISM, ISPS and MLC Internal Auditor, DPA/CSO qualified — so quality, safety and documentation come as standard. Repair, supervision and spare parts all come from one team, keeping yard time and downtime to a minimum. See also our ship repair service and riding team service.
Service areas
We serve yachts and boats in Istanbul, Tuzla and Yalova and at marinas across Türkiye — and our riding teams travel to your berth, yard or anchorage in the Mediterranean and worldwide.
Request a yacht refit & repair quote
Send us your yacht’s particulars and the scope you need, and we will respond quickly with a proposal. Call +90 505 285 33 54, e-mail info@mescomar.com, or use our contact page.
Get in touch
Send us your yacht details and we will get back to you quickly.