Help! I own a hammer and a lawn-mower. Which do I use to remove the spark plugs?

OK. If you really, really think you’re going to make a meal of it, maybe book in a demo by the factory-trained technicians at your local AHG service centre. We’ll run you through all the tips in person. It should only take about 20-30 minutes.

Next section— Stay safe. Hospital staff love to share stories about foolish DIY people. You don’t want to end up on the internet…