Professional Marine Engine Services
Expert repair, rebuild, and maintenance for boat, yacht & ship engines. From routine service to full overhauls — we keep your vessel running at peak performance.
Our Services
Comprehensive marine engine solutions for every need — from routine maintenance to complete rebuilds.
Full Engine Rebuilds
Complete teardown, inspection, machining, and reassembly of inboard, stern-drive, and outboard engines.
- Block boring & honing
- Crankshaft grinding & polishing
- Head resurfacing & valve jobs
- Piston & ring replacement
- Full gasket sets & seals
Dyno Testing & Tuning
State-of-the-art dynamometer testing for power verification, diagnostics, and performance optimization.
- Baseline power & torque measurement
- Fuel mapping & EFI calibration
- Ignition timing optimization
- Exhaust gas analysis
- Performance report & certificate
Professional Installation
Expert engine, transmission, and drivetrain installation with full commissioning and sea trial support.
- Engine removal & replacement
- Alignment & coupling setup
- Control cable & harness routing
- Cooling & exhaust system fitment
- Sea trial & final adjustment
Transmission Overhauls
Complete rebuild and service of marine transmissions, sterndrives, and outdrives.
- Gear inspection & replacement
- Clutch pack rebuilds
- Bearing & seal replacement
- Hydraulic system service
- Ratio changes & upgrades
Seasonal Maintenance
Scheduled maintenance packages to keep your engine reliable season after season.
- Oil & filter changes
- Impeller & coolant service
- Fuel system cleaning
- Belt & hose inspection
- Zinc anode replacement
Winterization & Storage
Full winter prep to protect your engine during the off-season and spring commissioning.
- Fogging & corrosion protection
- Coolant drain & refill
- Fuel stabilization
- Battery maintenance
- Spring de-winterization
Break-In Services
Proper break-in procedures for new and rebuilt engines to ensure long-term reliability and warranty compliance.
- Initial startup & leak check
- Load-variable running schedule
- Oil & filter change at 25 hrs
- Compression & leak-down test
- Break-in report for warranty
Diagnostics & Troubleshooting
Advanced electronic and mechanical diagnostics to pinpoint issues fast and accurately.
- ECU fault code reading & clearing
- Compression & leak-down testing
- Fuel pressure & injector testing
- Electrical system analysis
- Vibration & noise diagnosis
Performance Upgrades
Power adders and efficiency improvements for recreational and commercial vessels.
- Supercharger & turbo upgrades
- Camshaft & valvetrain upgrades
- Exhaust system optimization
- ECU remapping & tuning
- Propeller matching & sizing
How It Works
From first contact to sea trial — our proven process ensures quality at every step.
Contact Us
Call, email, or fill out the quote form with your engine details and symptoms.
Inspection
We diagnose the issue and provide a detailed estimate before any work begins.
Service
Our technicians perform the work using OEM parts and factory procedures.
Testing
Dyno run or sea trial to verify performance, leaks, and proper operation.
Delivery
Your engine is returned with a full report, warranty docs, and maintenance schedule.
Why Choose Marine Engine Service?
Trusted by boat owners, yards, and marinas across Poland and the EU.
Certified Technicians
Factory-trained on Mercury, Yamaha, Volvo Penta, Cummins, and Caterpillar systems.
Fast Turnaround
Most routine services completed within 3-5 business days. Emergency repairs available.
Warranty Backed
All rebuilds and installations carry a 12-24 month warranty on parts and labor.
Transparent Pricing
Fixed estimates before work starts. No hidden fees or surprise charges.
Full Documentation
Every service includes a detailed report, photos, and maintenance schedule.
Emergency Support
24-hour phone support for breakdowns. Mobile service available in the region.
Brands We Service
Authorized service and deep expertise across all major marine engine brands.
Ready to Get Your Engine Running?
Contact us today for a free inspection and estimate. We service boats, yachts, and commercial vessels across Poland and the EU.
Request a Service QuoteOr call us at +48 123 456 789 — Monday to Friday, 08:00 – 17:00 CET