Crankcase breathers are an essential part of any modern diesel engine. But what do these breathers do and why are they so ...

Kawasaki have issued a recall notice across the UK and Europe for ZX-6R supersport models produced in 2024 and 2025.

The 139QMB scooter engine is a popular small engine used in many scooters and mopeds. In this detailed video, we break down ...

The crankcase heater is an electric resistance heater that is usually strapped on, clamped to the crankcase bottom, or inserted into a well within the compressor’s crankcase. The crankcase heater is ...

In addition, the low-level vacuum draws in fresh air to the crankcase from the crankcase breather. In 99% of normal driving conditions, this is how a properly functioning PCV system works.

Reducing crankcase pressure under load should be a high priority in a performance engine. This also explains why top-tier racing engines use multiple stages of scavenging on their dry sump systems.

Every engine has some sort of crankcase breathing system. The internal combustion process creates pressure, some of which makes its way past the piston rings-along with fuel vapors-and into the ...

Overfilling the crankcase by half a quart or so is nowhere near enough to cause this problem. On older engines, excessive blow-by can be caused by piston rings that are all worn out and let too much ...

It is also known as the crankcase ventilation system. The PCV valve is a one-way valve attached to the crankcase of your car’s engine and removes unwanted gases from the crankcase. Your vehicle’s ...

QUESTION: I have a boat powered with a 5.7 liter V-8 inboard engine. The crankcase hoses that go from the top of the valve covers and vent into the carburetor are always blowing steam. The engine h… ...

That may be a pricey bit of OEM equipment, yet if you’re in the process of rebuilding a Carrera 3.2, a 964 or a 993, this is your best chance of getting a quality crankcase for your flat-six.