| 2 Stroke Engine Prop Chart | ||
| Engine Size | Starting Prop | Alternate Prop |
| 0.049 | 6x3 | 5.25x4, 5.5x4, 6x3.5, 6x4, 7x3 |
| 0.09 | 7x4 | 7x3, 7x4.5, 7x5 |
| 0.15 | 8x4 | 8x5, 8x6, 9x4 |
| .19 - .25 | 9x4 | 8x5, 8x6, 9x5 |
| .20 - .30 | 9x6 | 9x7, 9.5x6, 10x5 |
| .35 - .36 | 10x6 | 9x7, 10x5, 11x4 |
| .40 | 10x6 | 9x8, 11x5 |
| .45 | 10x7 | 10x6, 11x5, 11x6, 12x4 |
| .50 | 11x6 | 10x8, 11x7, 12x4, 12x5 |
| .60 - .61 | 11x7 | 11x7.5, 11x7.75, 11x8, 12x6 |
| .70 | 12x6 | 11x8, 12x8, 13x6, 14x4 |
| .78 - .80 | 13x6 | 12x8, 14x4, 14x5 |
| .90 - .91 | 14x6 | 13x8, 15x6, 16x5 |
| 1.08 | 16x6 | 15x8, 18x5 |
| 1.20 | 16x8 | 16x10,18x5,18x6 |
| 1.50 | 18x6 | 18x8, 20x6 |
| 1.80 | 18x8 | 18x10, 20x6, 20x8, 22x6 |
| 2.00 | 20x6 | 18x10,20x6,20x10,22x6 |
| 4 Stroke Engine Prop Chart | ||
| Engine Size | Starting Prop | Alternate Prop |
| .20 - .21 | 9x6 | 9x5, 10x5 |
| .40 | 11x6 | 10x6, 10x7, 11x4, 11x5, 11x7, 11x7.5, 12x4, 12x5 |
| .45 - .48 | 11x6 | 10x6, 10x7, 10x8, 11x7, 11x7.5, 12x4, 12x5, 12x6 |
| .60 - .65 | 12x6 | 11x7.5, 11x7.75, 11x8, 12x8, 13x5, 13x6, 14x5, 14x6 |
| .80 | 13x6 | 12x8, 13x8, 14x4, 14x6 |
| .90 | 14x6 | 13x6, 14x8, 15x6, 16x6 |
| 1.20 | 16x6 | 14x8, 15x6, 15x8, 16x8, 17x6, 18x5, 18x6 |
| 1.60 | 18x6 | 15x6, 15x8, 16x8, 18x6, 18x8, 20x6 |
| 2.40 | 18x10 | 18x12, 20x8, 20x10 |
| 2.70 | 20x8 | 18x10, 18x12, 20x10 |
| 3.00 | 20x10 | 18x12, 20x10 |
| Prop Blade Conversion Chart | ||
| 2 Bladed | 3 Bladed | 4 Bladed |
| 10x6 | 9x6 | --- |
| 11x8 | 10x8 | 10x6 |
| 12x8 | 11x8 | 11x6 |
| 12x10 | 11x10 | 11x8 |
| 13x10 | 12x10 | 12x8 |
| 14x10 | 13x10 | 13x8 |
| 14x8 | 13x8 | 13x6 |
| 15x8 | 14x8 | 14x6 |
| 15x10 | 14x10 | 14x8 |
| 16x10 | 15x10 | 15x8 |
| 18x10 | 16x10 | 16x8 |
| 20x10 | 18x10 | 18x8 |
| 22x10 | 20x10 | 20x8 |