F20LWHB Specifications
| Engine Type | 2 Cylinder |
| Displacement | 432 CC |
| Bore x Stroke | 65 x 65.1mm (2.554 x 2.558 in) |
| Prop Shaft Horsepower | 20hp @ 5500 rpm |
| Full Throttle RPM Range | 5000 ~ 6000 rpm |
| Compression Ratio | 9.3:1 |
| Fuel Induction | EFI |
| Exhaust | Through Propeller |
| Intake | 4 |
| Ignition | CDI |
| Spark Plug | DPR-6EB90-00-00 |
| Alternator Output (at WOT) | 16 Amp |
| Starting System | Manual or Electric |
| Lubrication | Wet Sump |
| Engine Oil Capacity | 1.1L/1.0L w/without filter |
| Cooling | Thermostatic Control |
| Recommended Engine Oil | Yamalube® 4M (See owner’s manual) |
| Recommended Fuel | Regular Unleaded (Minimum Pump Octane 87) |
| External Fuel Filtration | Yamaha Mini 10-Micron Fuel/Water Separating Filter |
| Ethanol Blend Limit | 10% Maximum |
| Gear Ratio | 2.00:1 |
| Gear Shift | Forward, Neutral, Reverse |
| Shaft Length | L=20″ |
| Degree of Tilt | 62°- 63° |
| Degree of Trim | -3° through +16° |
| C.A.R.B. Rating |
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