Ever-evolving emissions rules have resulted in several significant shifts in car design, although this is far from a new phenomenon. Regulators have been looking for ways to make cars more ...

Nearly 90,000 Harley-Davidson motorcycles are being recalled due to an engine issue that can cause hot oil to spray out and ...

All engines need some sort of crankcase pressure relief. Whether it's in the form of a simple breather, or a more effective PCV system, you need a way to vent blowby gases inherently generated by a ...

Improper blow-by control can lead to oily breather and valve covers. Is improper control of blow-by gases in your crankcase causing problems in your engine? If any of these questions below sound ...

The Freelander 1’s BMW-sourced four-cylinder Td4 diesel engine is a simple motor to service yourself, as we saw in our service guide last month. In many ways, the top-mounted oil filter and the easily ...

One of the most recognizable brands of motorcycles, Harley-Davidson, has been an American staple for over a century. Most notably, the brand became a symbol of rebellion, particularly in the '50's and ...

Hyundai doesn’t currently offer a diesel engine for sale in the United States, so it may surprise you to hear that the brand recently patented some interesting diesel engine technology. According to a ...

A Harley engine with a pair of visible breather bolts on the sides - TC Bros. Harleys are easily one of the most customizable motorcycles you can buy today, thanks to their massive aftermarket ...