100 Hour Service Inspection

100 Hour Service Inspection

100 Hour Service Inspection

WaterContamination

Dissassembly

Inspection

Before

Head Unit Hole Cut Out

Head Unit Installed

Switch pannel & Speakers location Masked Up

Port Speaker Location Masked Up

Head Unit, Switch Pannel & STBD Speaker Cut Out

Port Speaker Cut Out

Both Speakers Installed

Both Speakers Installed

Finished Product

Finished Product with 6.5' Marine RGB Speakers

The Vessel

Anderson Plug Hole Marked Out

Finished Product

Finished Product

Old System

New System

New Shaft Brushes Installed

New Shaft Brushes Installed

New Shaft Brush Installation

Electrical Bonding Cables Connected

Completed Product

“Quintrex 520 Top Ender on trailer—secured and staged for comprehensive engine service and upper mount replacement. Ready for diagnostics, disassembly, and performance restoration.”

“90ELPT 4S set up for a 100-hour service—trailer secured, tools staged, and engine inspection underway. This service includes top and bottom engine mount replacement due to worn upper mounts & powerhead removal required to access the upper mount for a precise, factory-spec install.”

“Model Identification Tag — Mercury 90ELPT 4-Stroke, December 2007 build, Serial No. 1B542651. Max RPM: 6000 | 90 HP | 67.1 kW. Essential for verifying correct parts, service procedures, and diagnostic protocols.”

“Gearbox and side cowlings removed—prepped and staged for midsection disassembly. All components laid out for systematic teardown, inspection, and replacement as needed.”

“Midsection disassembly in progress on this Quintrex 520 Top Ender—engine secured, lower unit removed, and rig prepped for upper mount access and internal component inspection.”

“Lower engine mount disassembly underway—engine supported and safely staged for removal of worn mounts and associated hardware. Precision and care taken to maintain alignment for reinstallation.”

“Midsection, oil pan, and pick-up removed—final steps underway for full powerhead removal. Every bolt, harness, and fitting accounted for to ensure a clean and damage-free lift.”

“Powerhead successfully removed—secured and staged for upper engine mount replacement. A precise lift executed with care to avoid damage to harnesses, mounting surfaces, and sealing components.”

“Severe corrosion revealed—upper engine mounts heavily deteriorated, compromising structural integrity and performance. This level of damage underscores the importance of routine inspections and timely maintenance.”

“The damage to the upper engine mounts—severely corroded and broken down over time, leading to excessive vibration, misalignment, and potential failure. A critical reminder of why upper mount inspections shouldn’t be overlooked during regular servicing.”

“Adapter plate and swivel tube removal in progress—critical access step for replacing upper engine mounts and inspecting midsection integrity. Care taken to preserve alignment and sealing surfaces.”

“All major components laid out, cleaned, and prepped—awaiting arrival of replacement parts before reassembly. Organisation and cleanliness are key to an efficient and precise rebuild.”

“All hardware cleaned, greased, and thread-locked—carefully staged and ready for reassembly. Proper prep ensures secure fittings, corrosion resistance, and long-term reliability.”

“Upper engine mounts successfully replaced—adapter plate reinstalled with fresh gaskets and all torque specs adhered to. A critical step in restoring engine stability and reducing vibration.”

“Oil pump installed with all new O-rings and hardware torqued to spec—ensuring proper sealing and reliable oil flow for optimal engine lubrication and longevity.”

“Oil pick-up tube and oil pan gasket installed—seated and sealed with precision to ensure consistent oil delivery and leak-free operation. All surfaces cleaned and components torqued to specification.”

"Final assembly complete before powerhead installation—oil pump, pick-up tube, adapter plate, and all sealing surfaces cleaned, sealed, and torqued. Ready for top-end reinstallation with full confidence in reliability and performance.”

“Powerhead reinstallation in progress—reconnecting battery cables, throttle and shift linkages, speedo tube, and main engine wiring harness. Each connection verified for accuracy and smooth operation, ensuring optimal performance and reliable control.”

“Powerhead reinstalled and fully secured—final checks complete, now ready for oil pan and midsection installation. All systems prepped for seamless integration and functional testing.”

“Powerhead reinstalled and torqued down to spec, ensuring correct gasket crush and a reliable seal. All systems inspected and staged for final oil pan and midsection installation—precision and care taken at every step.”

“Midsection assembly underway—components aligned and lowered into position with precision. All mating surfaces cleaned and fasteners torqued to spec, ensuring structural integrity and long-term reliability.”

“Lower engine mount replaced after original mount was seized and required cutting for removal. New mount installed with marine-grade grease and torqued to spec—restoring stability, alignment, and vibration control.”

“Midsection fully reassembled—mounts torqued, seals in place, and everything aligned for final steps. Ready for gear case installation and fresh engine oil to complete the rebuild.”

“Final product fully reassembled and tested—engine run on earmuffs for 20 minutes to check for leaks, verify fluid levels, and confirm correct operation of all systems. A smooth and reliable finish, ready to hit the water.”

“The final product—engine fully reassembled, tested, and ready for the water. All systems verified, new mounts installed, leaks checked, and throttle/shift response confirmed. Another quality job completed with attention to detail and reliability in mind.”

“Finished product—engine mounts replaced fully rebuilt from top down, tested, and now ready for further on-water testing to confirm all repairs and ensure peak performance. From teardown to final torque, every step completed with precision and care.”

“Water test ready—engine mounts replaced, systems checked, and everything reassembled to spec. Final validation on the water will confirm smooth operation, proper alignment, and performance under real-world conditions.”

“Job complete—engine mounts replaced, all systems tested, and final inspections passed. The Quintrex 520 Top Ender is now ready for customer pick-up, fully functional and water test-approved.”