Models tested and proven to be the most powerful and efficient engines in Mid- Range horse power
| F50DETL | FT60GETL | F80BETX | |
| Engine: | 4 stroke, SOHC, In-line 4 | 4 stroke, SOHC, In-line 4 | 4 stroke, SOHC, In-line 4 |
| Displacement: | 935 cm³ | 996 cm³ | 1596 cm³ |
| Compression Ratio: | 9.3 | 9.5 | 9.6 |
| Max. Prop Shaft Output: | 36.8 kW (50ps) @ 5500 r/m | 44.1 kW (60ps) @ 5500 r/m | 58.8 kW (80ps) @ 5500 r/m |
| Full Throttle rpm range : | 5000 ~ 6000 r/m | 5000 ~ 6000 r/m | 5000 ~ 6000 r/m |
| Fuel Induction System: | 4 carburetor | Electronic Fuel Injection | Electronic Fuel Injection |
| Starter System: | Prime Start | Prime Start | Prime Start |
| Lubrication: | Wet sump | Wet sump | Wet sump |
| Engine oil capacity: | 2.2 l with oil filter exchange | 2.1 l with / without oil filter exchange | 3.7 l with / without oil filter exchange |
| Bore x Stroke (mm): | 63.0 mm x 75.0 mm | 65.0 mm x 75.0 mm | 79.0 mm x 81.4 mm |
| Trim & Tilt: | Manual 5 positions | PPT | – (continuously variable) |
| Gear ratio: | 1.85 (24/13) | 1.858 (24/13) | 2.27 (25/11) |
| Engine transom height: | L: 533 mm (21.0 in) | L: 527 m m (20.7 in) | L: 536 mm (21.1 in) |
| Dry Weight: | 110 kg | 116 ~ 126 kg | 170 ~ 173 kg |
Filed under: Outboard Engines, Yamaha
