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FJR Motorcycle Forums
Technical & Mechanical Problems
Surging, Sputtering at 4,000-5,000 RPM
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<blockquote data-quote="BigOgre" data-source="post: 1442477" data-attributes="member: 8712"><p>I doubt it also. Still sticking by what I wrote earlier:</p><p></p><p>In your case you said it came on after a 100 mile ride and the miss was in the low RPM range which to me points to the TPS, especially after what you already checked for. The TPS will wear with every turn of the throttle and if you think about it the low RPM range gets the most use as you always have to go through that area no matter how you ride. (Sorta like the old data how you're most likely to get into an accident if you're closer to home. Well, yeah. Every time you leave home you have to travel the same roads over and over so odds are . . . .) Anyway, I'm not usually eager to throw parts or money at a problem but if that's the original TPS, for about a 100 bucks or so it might not be worth all the difficulty of trying to diagnose a bad one. Chances are it'll degrade some (or more) with time and, like several others have discovered, it might surprise you and solve the problem.</p></blockquote><p></p>
[QUOTE="BigOgre, post: 1442477, member: 8712"] I doubt it also. Still sticking by what I wrote earlier: In your case you said it came on after a 100 mile ride and the miss was in the low RPM range which to me points to the TPS, especially after what you already checked for. The TPS will wear with every turn of the throttle and if you think about it the low RPM range gets the most use as you always have to go through that area no matter how you ride. (Sorta like the old data how you're most likely to get into an accident if you're closer to home. Well, yeah. Every time you leave home you have to travel the same roads over and over so odds are . . . .) Anyway, I'm not usually eager to throw parts or money at a problem but if that's the original TPS, for about a 100 bucks or so it might not be worth all the difficulty of trying to diagnose a bad one. Chances are it'll degrade some (or more) with time and, like several others have discovered, it might surprise you and solve the problem. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Surging, Sputtering at 4,000-5,000 RPM
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