Question about 1980 Yamaha XS 400 Special

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I just got new points for my 1977 yamaha xs400. My old ones were pitted and burnt. Now I can not get it to start. My old ones just did not give the spark i needed. I also got a new condensor. The new points are thicker than the ones with 9000 miles on them, so I had to adjust the gap but I now have not got it to spark. Any help would be awsome!!!

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The gap should be .015 with the points arm on the high point of the cam. There is a chance the new condensor could be bad from the factory. Not very likely, but remounting the old condensor would eliminate that as the problem. Is there any chance the wires are disconnected or broken anywhere? Use a multi meter to check for power at the points. Have you checked the fuse box? Is the Kill switch on? Check the side stand kill switch also if your bike has one. Good battery? Install new spark plugs. Carbon buildup on the plugs can rob electricity needed for a spark. Please rate my answer. Thanks.

Posted on Aug 20, 2010

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