Motorcycle Repair: troubleshooting ignition on 81 yamaha xs 650, yamaha xs 650, test jim

Question
i was going down freway. No spit. No sputter. Just dead. No spark. How do i test coil? What about other ign. Component? And how 2 test

Answer
Jim, I am not a Yamaha expert, but found that there is lots of info elsewhere on the web...

http://reviews.ebay.com/How-to-test-the-ignition-coil-on-a-Yamaha-XS-650_W0QQugi...

http://www.650central.com/tech/tips.htm

http://xs650forum.proboards.com/index.cgi?board=Electrical

http://www.biker.net/650_service/650service%20main.html

Check your battery voltage first. Then, power to the coils. Might just be a loose/broken connection or something more...

Bill aka MrHonda Silver