
Posts about engines and fuel system for motorcycles, mopeds, or scooters

Compression Ratio Explained and Demystified
If you’ve ever wondered what a 9:1 compression ratio means, or if you want to have the term “compression ratio” explained, click here to read more.

When Do You Need to do An Engine Overhaul or Engine Replacement
If your motorcycle’s engine is on its last legs, it might be time for a complete engine overhaul. Click here to discover what it is.

What is CDI Ignition, and How Does It Work?
Curious about CDI ignition, what it stands for, and above all – how it works? Click here to discover more about it.

What is The Choke, and What Does It Do?
Click here to discover more about what the choke is, why carbureted bikes need one, and most importantly – how to use it.

Air-cooled Vs. Liquid Cooled Engines & Coolant
What are the differences between air-cooled vs. liquid-cooled engines? What are the pros and cons of each type? Click here to find out more.

What Does It Mean When Your Bike Is “Running Rich?”
I’ll give you a hint – it’s not good at all. Click here to find out what “running rich” means, 4 common symptoms and how you can fix it.

The 4 Most Common Motorcycle Engines & 2-stroke vs. 4-stroke
Click here to read about the most common internal combustion motorcycle engines and the differences between 2- and 4-stroke.

What Is a Camshaft? DOHC vs. SOHC
What is a camshaft and what does it do? And what are the main difference between and pros and cons of DOHC and SOHC? Click here to read more.

What Is A “Head Gasket Leak” & 3 Telltale Signs of a Head Gasket Leak
Do you have a head gasket leak? Click here to learn more about why that’s a big issue and the 3 biggest signs that your head gasket is blown.