Have you ever wondered why you need to add oil to your chainsaw’s fuel supply? Or why some dirt bikes have a higher pitched exhaust note than others? We’ve all been burdened with yard work or been ...

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Hello Joyce, to understand the answer to this question, you need to be familiar with how combustion engines work during the intake (piston moving down to allow fuel air mixture into cylinder), ...

If you’re shopping for a new fishing boat or an outboard motor to power it, one of the decisions you’ll have to make is between a 2 stroke vs 4 stroke engine. Unless you’re going electric, this choice ...

Two-strokes are far simpler machines than four-stroke engines. They’re also lighter, easier to work on, and downright angrier, pumping out a lot more power per cubic centimeter of displacement, which ...

My car ran out of petrol (faulty gauge) and the only spare fuel I had in the boot was a 1:50 premix for my boat’s two-stroke outboard engine. Could I have used that to get me to the next station?

REMEMBER those wailing banshee motorcycles with plumes of acrid blue smoke billowing behind them? Your correspondent came of age astride one. But few two-stroke engines survived the draconian ...