| Year | 1983 |
| Date | 21-Jan |
| Volume | 150 |
| Issue | 3,697 |
| Page | 76 |
| Category | Internal Combustion |
| Part | |
| Title | A Twin Cylinder 30cc Engine |
| Author | Ian Bradley |
| Notes | General description, the crankcase, the exhaust muffs, lubrication, cylinders and cylinder heads, pistons & gudgeon pins, postscript |