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Yamaha XJ 600 1985 - trouble starting it, high idle etc

Posted: Wed Jul 06, 2016 2:42 am
by YamahaXJ600
Hi, Im new here and I did some searching in the forums but couldnt really find my problem. I bought a Yamaha XJ 600 1985 model so that I could start practicing. I bought it really cheap so my hopes was not that high.

The thing is that the bike is hard to turn on. When I have charged the battery full, it started without at problem. But only with the choke on and fuel on "PRI". I left it alone for a few days and it was the same problem again with the ignition. I went and bought a new battery and it started without problem. Then after it got warm the idle went from 1000 rpm to 3000 rpm and stayed there. Also when I turned the throttle just a little and let it go, the rpm went really high (6000 rpm) and went down after 1-2 seconds. It was not easy to practice when the rpm goes that high at the begining.

I havent touched the bike for 2 days and now it wont start again. What could the problem be? Im gonna check the fuses today so that they are not wet but besides that I dont know what to do. I have zero mechanical skills so be gentle =)

Sorry for the bad english. Im swede! =P

Thanks in advance