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Everything Dirt Bike
General Dirt Bike
valves won't seal...ideas?
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<blockquote data-quote="benhonda" data-source="post: 224377" data-attributes="member: 5051"><p>so i just picked up a well-used '87 honda xl600r</p><p>I have cleaned the carbs, but it will not start.</p><p>It will pop every 5-6 kicks though.</p><p>If I open up the throttle, then it will push air back through the carbs.</p><p>I am fairly certain the valves are not sealing due to it having sat for a good long time.</p><p>The previous owner said it would start with starter fluid but then die...but that was a year ago.</p><p></p><p>Anyone have any tricks to help them seal? Like, could putting oil/pb blast or anything like that help clean the valve seat? I have worked on smaller OHV engines but nothing as big as this beast and it also says it has RFVC...radial valve. I don't know how that differs from other OHV engines I have worked on (briggs, gy6 and other small engines)</p></blockquote><p></p>
[QUOTE="benhonda, post: 224377, member: 5051"] so i just picked up a well-used '87 honda xl600r I have cleaned the carbs, but it will not start. It will pop every 5-6 kicks though. If I open up the throttle, then it will push air back through the carbs. I am fairly certain the valves are not sealing due to it having sat for a good long time. The previous owner said it would start with starter fluid but then die...but that was a year ago. Anyone have any tricks to help them seal? Like, could putting oil/pb blast or anything like that help clean the valve seat? I have worked on smaller OHV engines but nothing as big as this beast and it also says it has RFVC...radial valve. I don't know how that differs from other OHV engines I have worked on (briggs, gy6 and other small engines) [/QUOTE]
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valves won't seal...ideas?
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