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FJR Motorcycle Forums
Technical & Mechanical Problems
2014 Stumble on accel.
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<blockquote data-quote="Bill Lumberg" data-source="post: 1306488" data-attributes="member: 87479"><p>Yesterday, I noticed a flat spot, or stumble, rolling on the throttle. It was so subtle that at first, I thought it was a blast of wind, or a pavement imperfection. The bike idles smoothly, and is behaving normally except for this one spot shortly into the throttle. it doesn't happen at a specific RPM, rather around the same place as I'm rolling on from a closed throttle. It is reliably reproducible. I know it sounds crazy, but the best way I can describe it is that it feels like hitting a very brief wind gust head-on, due to the momentary loss of acceleration. Bike has 27,000+ miles on it. No error codes, no other anomalies that I can detect. I'm going to check the airbox and plugs, but thought I'd see if those smarter and with more time on FJR's than me had a recommendation or diagnosis. Thanks.</p></blockquote><p></p>
[QUOTE="Bill Lumberg, post: 1306488, member: 87479"] Yesterday, I noticed a flat spot, or stumble, rolling on the throttle. It was so subtle that at first, I thought it was a blast of wind, or a pavement imperfection. The bike idles smoothly, and is behaving normally except for this one spot shortly into the throttle. it doesn't happen at a specific RPM, rather around the same place as I'm rolling on from a closed throttle. It is reliably reproducible. I know it sounds crazy, but the best way I can describe it is that it feels like hitting a very brief wind gust head-on, due to the momentary loss of acceleration. Bike has 27,000+ miles on it. No error codes, no other anomalies that I can detect. I'm going to check the airbox and plugs, but thought I'd see if those smarter and with more time on FJR's than me had a recommendation or diagnosis. Thanks. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
2014 Stumble on accel.
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