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FJR Motorcycle Forums
Technical & Mechanical Problems
RPM's at 75-80 mph?
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<blockquote data-quote="mcatrophy" data-source="post: 204706" data-attributes="member: 3187"><p>Stepper motor = Good. Can be as accurate as Yamaha wants it to be, but my experience also is that it's about 3 mph fast at 70 (going by my GPS), and seems to be about 5 mph fast at 90. Difficult to say whether it's linear, I find it hard to look at speedo, GPS and the road for speed cameras and hold the speed constant.</p><p></p><p>Ratios: I did my own (so totally independent) Excel spreadsheet, the results can be seen <a href="https://atrophy.lock.net/atrophy/do/transfjr.php" target="_blank">here</a> (sorry it's not very profesional, I only did it for my own edification). This was done before I got my FJR to compare with my Trophy's mph/1000 rpm.</p><p></p><p>Mine shows about 75.4 mph for 4000 in 5th.</p></blockquote><p></p>
[QUOTE="mcatrophy, post: 204706, member: 3187"] Stepper motor = Good. Can be as accurate as Yamaha wants it to be, but my experience also is that it's about 3 mph fast at 70 (going by my GPS), and seems to be about 5 mph fast at 90. Difficult to say whether it's linear, I find it hard to look at speedo, GPS and the road for speed cameras and hold the speed constant. Ratios: I did my own (so totally independent) Excel spreadsheet, the results can be seen [URL="https://atrophy.lock.net/atrophy/do/transfjr.php"]here[/URL] (sorry it's not very profesional, I only did it for my own edification). This was done before I got my FJR to compare with my Trophy's mph/1000 rpm. Mine shows about 75.4 mph for 4000 in 5th. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
RPM's at 75-80 mph?
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