| Classic Car Motorcycle HT Spark Plug & Ignition Lead Tester | |
| INSTRUCTIONS: A. Remove ignition lead from spark plug. B. Attach H.T. Tester to spark plug. C. Attach ignition lead to H.T. Tester. D. Run engine for a visual spark check. (Remember that on 4-stroke engines each spark plug fires only once for every two revolutions of the engine). *Switch off ignition before attaching or removing the H.T. Tester. * If Tester flashes it is not your electric circuits giving problems. Check spark plug for correct gap, fouling, faulty plug insulators (ensure you have petrol supply). If Tester does not flash check ignition leads, distributor, points, etc. A SIMPLE CLIP-ON WAY OF TESTING SPARK GENERATION | |