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