The amount of clearance between the flywheel magnets and the ignition armature. The ignition armature is also referred to as ignition module, coil, laminate, magneto.
| Model | Flywheel to armature air gap |
| GX640 | - |
| GX100 | 0.2-0.5mm ( 0.008-0.020in ) |
| GX120K1 | 0.4 +/- 0.2mm ( 0.016 +/- 0.008in ) |
| GX160K1 | 0.4 +/- 0.2mm ( 0.016 +/- 0.008in ) |
| GX200 | - |
| GX240K1 | 0.4 +/- 0.2mm ( 0.016 +/- 0.008in ) |
| GX270 | 0.4 +/- 0.2mm ( 0.016 +/- 0.008in ) |
| GX340K1 | 0.4 +/- 0.2mm ( 0.016 +/- 0.008in ) |
| GX390K1 | 0.4 +/- 0.2mm ( 0.016 +/- 0.008in ) |
| GX22 | 0.35-0.5mm ( 0.014-0.020in ) |
| GX31 | 0.35-0.5mm ( 0.014-0.020in ) |
| GX610K1 | 0.4 +/- 0.2mm ( 0.016 +/- 0.008in ) |
| GX620K1 | 0.4 +/- 0.2mm ( 0.016 +/- 0.008in ) |
| GX670 | - |
| GXV120 | 0.4 +/- 0.2mm ( 0.016 +/- 0.008in ) |
| GXV140 | 0.2-0.5 |
| GXV160 | 0.4 +/- 0.2mm ( 0.016 +/- 0.008in ) |
| GXV270 | 0.4 +/- 0.2mm ( 0.016 +/- 0.008in ) |
| GXV340 | 0.4 +/- 0.2mm ( 0.016 +/- 0.008in ) |
| GXV610K1 | 0.4 +/- 0.2mm ( 0.016 +/- 0.008in ) |
| GXV620K1 | 0.4 +/- 0.2mm ( 0.016 +/- 0.008in ) |
| GX25 | 0.3-0.5mm ( 0.012-0.020in ) |
| GX35 | 0.2-0.4mm ( 0.008-0.016in ) |
| GXH50 | 0.3-0.5mm ( 0.012-0.020in ) |
| GXV50 | 0.3-0.5mm ( 0.012-0.020in ) |
| GS190 | 0.2-0.6mm ( 0.008-0.024in ) |
| GSV190 | 0.2-0.6mm ( 0.008-0.024in ) |
| GC135 | 0.2-0.6mm ( 0.008-0.024in ) |
| GC160 | 0.2-0.6mm ( 0.008-0.024in ) |
| GC190 | 0.2-0.6mm ( 0.008-0.024in ) |
| GCV135 | 0.2-0.6mm ( 0.008-0.024in ) |
| GCV160 | 0.2-0.6mm ( 0.008-0.024in ) |
| GCV520 | 0.2-0.6mm ( 0.008-0.024in ) |
| GCV530 | 0.2-0.6mm ( 0.008-0.024in ) |
| GD320 | - |
| GD410 | - |
| GD1100 | - |
| GD1250 | - |
| G150K1 2.6kW | 0.3 +/- 0.1 ( 0.012 +/- 0.004 ) |
| G150K1 2.8kW | 0.3 +/- 0.1 ( 0.012 +/- 0.004 ) |
| G200K1 3.7kW | 0.3 +/- 0.1 ( 0.012 +/- 0.004 ) |
| G200K1 4.0kW | 0.3 +/- 0.1 ( 0.012 +/- 0.004 ) |
| GV100 | 0.2-0.6mm ( 0.008-0.024in ) |
| GX360 | - |