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Good day everybody, this is Brad from Johnson Small Engines, also known as the only-exceeded mechanic. If I’m able to do it, you can too.

Today, we’ve got a client’s machine that came into the shop and I’m going to show you how to diagnose a no start situation.

First, we need some tools – a spark tester, a rag, a bowl to catch fuel, starting fluid, a 10mm wrench, a 13/16 socket, an extension, and a ratchet.

Now, let’s get started. The first thing to check is the oil. Make sure there is no fuel in the oil. If there is, you have a carburetor issue.

Next, check the fuel tank to ensure it is full. Also, check the position of the choke.

After checking the oil and fuel, it’s time to check the compression. Pull the cord and feel for a bump. If there is no resistance, the compression may be bad.

If the compression is good, move on to checking the spark. Use an inline spark tester and see if there is a spark when pulling the cord.

If there is a spark, check the spark plug to make sure it is in good condition.

Finally, if everything checks out, drain the carburetor bowl to flush out any bad gas.

Tap on the carburetor bowl if the float is stuck.

Remember, if you’re getting no fuel, it could be due to a stuck float or a carburetor issue.