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FJR Motorcycle Forums
Technical & Mechanical Problems
Lost idle
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<blockquote data-quote="Fred W" data-source="post: 1378684" data-attributes="member: 3828"><p>What is the warm idle speed set to? Are you able to set it to 1100 rpm with the idle adjuster? 2nd Gens are very sensitive to the warm idle speed setting. If you cannot get at least 1100 rpm at warm idle the bike will run crappy and stall. This was true on even brand new 2nd Gens when they would come from the factory with idles set to 1000 rpm.</p><p></p><p>Unlike the 1st Gens, which have an adjustable throttle stop to open the throttle butterfies slightly, the 2nd Gens have a small bypass air manifold to allow extra air into each of the throttle bores.</p><p></p><p>If you cannot get 1100 rpm from the idle adjuster, set the idle adjuster to mid range and then open all four air screws the same amount, a small amount at a time, to bring the idle up to 1100. Then re-do your sync bringing the highest and lowest to match the median cylinders.</p></blockquote><p></p>
[QUOTE="Fred W, post: 1378684, member: 3828"] What is the warm idle speed set to? Are you able to set it to 1100 rpm with the idle adjuster? 2nd Gens are very sensitive to the warm idle speed setting. If you cannot get at least 1100 rpm at warm idle the bike will run crappy and stall. This was true on even brand new 2nd Gens when they would come from the factory with idles set to 1000 rpm. Unlike the 1st Gens, which have an adjustable throttle stop to open the throttle butterfies slightly, the 2nd Gens have a small bypass air manifold to allow extra air into each of the throttle bores. If you cannot get 1100 rpm from the idle adjuster, set the idle adjuster to mid range and then open all four air screws the same amount, a small amount at a time, to bring the idle up to 1100. Then re-do your sync bringing the highest and lowest to match the median cylinders. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Lost idle
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