To test the ones in your engine cylinders youll need an automotive cylinder lead down tester and if you dont want to buy one youre in luck because this video contains easy to follow instructions on how to make one in your garage. Remove schrader valve from compression tester hose and insert into plug hole.
Build Your Own Diy Yz250 Leak Down Tester Pics Included
Build your own leak down tester. Put motorcycle in high gear and have a helper apply rear brake. Bring engine to top dead center tdc. Make a magnetic shop tray. Insert the modified plug or compression tester hose and apply 60 80 psi air to the cylinder. If you hear air bubbles it may be a leaking head gasket. How to perform a motorcycle leak down test.
A store bought leak down tester will run 100 but you can build your own for much cheaper. Hide a key the right way. First off you need to get a pressure regulator. Check out how to make your own diy cylinder leakdown tester with parts you may have laying around in your garage. Make a drill bit holder. How to build your own cylinder leak down tester w harbor freight parts duration.
Double flare brake lines. There is a thread on the honda 2 stroke forum but its not too specific and doesnt apply to a yz. As shown in the photo the supplied gauge has been moved to the cylinder pressure side of the orifice. Please make this a sticky so others can access it for future use. Make a leak down test tool. Frugalpreppers garage garden 9855 views.
Theres no question the leak down tester is the most importan. Be certain not to use so much air that it turns the engine. With air pressure in the cylinder look and listen. This one from sears part number 282 16025 is the same one that snap on uses on their leakdown tester. I want to make this a diy yz250 leak down tester thread. How to install a custom hitch adapter.
The seals in your car had best all be functioning properly if you expect your car to work right. Refer to your service manualfor this procedure. To make the tester easier to use i added a shutoff valve on the air supply. Leakdown testers are super easy to make and are a must have for checking the. Leak down tester build and use your own a leak down tester is a measuring instrument used to determine the condition of internal combustion engines by introducing compressed air into the cylinder and measuring the rate at which it leaks out. It even comes with the gauge on it already.
Make a magnitized screw driver. The leak down gauge supplied by harbor freight must be replaced with a 0 100 psi range gauge. Make an engine lift plate.
Gallery of Build Your Own Leak Down Tester
