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    Bike stalls at idle

    My '78 xs650 special likes to keep me on my toes. Lately it will stall while I am sitting idle at a stop light, if I don't let it warm up long enough. I can get it started just fine, using the choke on a cold start. It will idle in my driveway for 5 mins without an issue, but sometimes it will...
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    78 XS650 Special - won't start with good spark

    After many suggestions to help get this bike up and running, I spent the weekend adjusting the valves, chain, ignition, and finally the carbs. I found that the last person to work on the valves had them set wrong. Instead of .004" (.10mm) clearance on the intake for example, they have 0.04mm of...
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    '78 xs650 SE - Rejetting for Altitude

    Last weekend I purchased a 1978 XS650 SE from a friend in Seattle. He trailered the bike up to me (Utah) and I've had trouble with getting the carbs right. After adjusting the idle and carbs, I got the bike to start better, but it feels sluggish. The top speed so far is 50mph. I've ordered some...
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