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Marine Tech Training Center
The definitive technical library for marine repair. Protocols, vlogs, and diagnostics written by mechanics, for mechanics. Stop guessing and start fixing.
Featured Series: The Contender 31 Restoration
Watch the Full Restoration
Follow the complete journey of restoring a 2004 Contender 31 Open. From engine troubleshooting and electronics overhauls to trailer upgrades and sea trials.
Watch SeriesRoutine Maintenance Protocols
100 Hour Service Guide
The complete factory protocol for performing the 100-hour service. Covers engine oil, gear lube physics, and fuel system defense. Save $600 in labor.
View Procedure
Water Pump & Collar Removal
How to replace the impeller and remove the seized stainless driveshaft collar without destroying the wave washers. Includes hidden bolt warnings.
View ProcedureHydraulic Steering Repair
SeaStar Cylinder Rebuild
Got sloppy steering? Learn the "Kick Test" to diagnose failure. Covers seal replacement and the safe removal of seized support brackets.
View Procedure
"One Person" Bleed Method
How to bleed SeaStar and Uflex systems by yourself using a gravity-feed reservoir. Eliminates the "spongy" feel caused by trapped air.
View ProcedureTrim & Tilt Hydraulics
Yamaha Trim Cylinder Rebuild
Leaking trim fluid? Don't replace the unit ($2,000+). Learn to remove the caps safely without shearing pins and replace the seals for under $100.
View ProcedureLower Unit Repair
Upper Gear Case Seals
Milky oil isn't always the prop shaft. Learn to extract the Upper Bearing Carrier and replace the drive shaft seals to stop water intrusion.
View Procedure