| Year | 2011 |
| Date | 22-Apr |
| Volume | 206 |
| Issue | 4,402 |
| Page | 532 |
| Category | Internal Combustion |
| Part | 4 |
| Title | Building a 25cc Four Stroke engine |
| Author | Dave Fenner |
| Notes | Looks at the cylinder head, valve guide, valve, valve cap, valve spring, rocker post and rocker, adjusters, cylinder studs, fitting and fettling, carburettor and inlet stub, cam timing, conclusion |