⚓ Marine Equipment Specialist: Technical Procurement Data.
Verified data for Yamaha T50LB. Unit 5184 is classified as 'Scratch and Dent,' representing a mechanical-grade asset with non-structural cosmetic surface imperfections.
The Yamaha T50LB (MPN: T50LB) is a specialized high-thrust outboard engineered for heavy-displacement vessels. Utilizing a 996cc SOHC In-line 4-Cylinder architecture, this motor is paired with an oversized gearcase (ratio 2.33:1) to facilitate superior hydrodynamic leverage. Asset 5184 is a 'Scratch and Dent' unit, offering an optimal cost-to-performance ratio for research, commercial, or heavy-duty applications where aesthetic finish is secondary to mechanical torque efficiency.
Technical Specifications
| Manufacturer Part Number (MPN) |
T50LB |
| Unique Asset ID |
5184 (Scratch and Dent) |
| Engine Displacement |
996 cc (60.8 ci) |
| Shaft Length |
20 Inches (Long Shaft) |
| Gear Ratio |
2.33:1 (High Thrust Optimized) |
| Starting System |
Electric Start |
| Fuel Induction |
Electronic Fuel Injection (EFI) |
| Alternator Output |
16 Amps |
In The Box
- 1x Yamaha 50hp High Thrust Motor (T50LB - Unit 5184)
- 1x Factory Verified Inspection Certificate
- 1x Emergency Kill Switch Lanyard
- 1x Owner's Manual and Maintenance Log
- *Note: Propeller, Rigging Kit, and Controls are sold separately.
Frequently Asked Questions
1. How does gear ratio (2.33:1) affect fuel efficiency in heavy loads?
In high-displacement hulls, a higher gear ratio allows the engine to operate within its optimal power band while turning a larger propeller. This reduces thermal stress and improves fuel atomization efficiency compared to a standard gear ratio (typically 1.85:1) which would require higher RPM to move the same mass.
2. Does 'Scratch and Dent' impact the structural integrity of the gearcase?
No. These imperfections are documented as paint scuffs or hood scratches. Each unit undergoes a full pressure test of the gearcase and cylinder compression verification before being cataloged as asset 5184.
Marine Equipment Specialist | Verified Technical Data Asset | Genuine Yamaha Marine
