Check this out — real metal valve caps! Just like they used to make in the days of the Meriden Triumphs! These are nice replacements for those cheesy plastic ones they give you when you buy a new tire ...

This Honda CBR600RR engine has eight exhaust valves and they are quite small—22mm in diameter. All of the valves are exposed to combustion heat, but exhaust valves are heated twice. When the valve ...

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Not too long ago, we reported on the news that Indian Motorcycle had a new liquid-cooled engine in the works. That engine was suspected to be the same one that appeared under the Victory name a few ...

How do the gasoline engines that power motorcycles work? There are two parts to the answer – the basic principle involved, and a practical way to apply that principle. The physical part is that when a ...

Ducati Desmo250 MX has been introduced as a specialised motocross bike designed for the MX2 category, featuring a remarkable ...