Question about 1979 Yamaha XS 500
You will have to get a digital volt meter,Harbor freight has them for $2.00, other stores like Sears, Radio Shack, any auto parts store will have them for various prices, you just need a cheap one that measures volts. Hook the positive lead up to the positive battery terminal, and the negative lead to the negative terminal, read your battery voltage should be from 11.90 volts to 12. 98 volts. Start the bike and measure the voltage while running, voltage should go up to 13.5 to 14.8 volts. If the voltage goes up the bike is charging, if it stays the same as when it isn't running the bike is not charging.
Posted on Aug 28, 2009
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Posted on Jan 02, 2017
This is the best i can do, its the manual in photo form. You can enlarge using any photo editor.Good luck. Rate me if i've helped you. thanks.
Posted on Mar 26, 2009
You didn't say WHY the cam / valve timing needs to be reset. For some reason I get the feeling someone told you that resetting was needed and so you are asking how. Obviously, you may have installed new pistons and that is why the resetting is needed. In either event, when the cam timing is set the valve timing is also set. Other than adjusting valve lash, setting the cam sets the valve timing. Below is a web site where you can do a free download of a factory service manual. The process is not hard but having a manual will be more help and faster help than I can give online.
Posted on May 27, 2010
Testimonial: "Thanks for your reply. I've been to the web site before and downloaded the manual already. It does not really cover the situation I have. There also seems to be a lack of compression with the bike. A friend has lent me a workshop manual so I will try that in the mean time. Thanks again "
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