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Buell Forum » Old School Buell » Archive through August 04, 2008 » Speedo or Tach error « Previous Next »

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Eshardball
Posted on Tuesday, July 29, 2008 - 11:02 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I noticed on my commute into work today that my Tach was indicating 4400 RPM at just over 70mph. It has always indicated about 4100@70 since I got it. My usual cruise is between 70 - 80 mph.My clutch gives no indication of slipping when launching. Has anyone else observed the same condition?
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Wile_ecoyote
Posted on Tuesday, July 29, 2008 - 11:49 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Mine lives at 80mph and 4k rpm. Never noticed it change.
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Eshardball
Posted on Tuesday, July 29, 2008 - 11:59 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I have the stock front 27 tooth pulley. What are your pulley sizes? You're almost 10mph faster at the same RPM.
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Wile_ecoyote
Posted on Tuesday, July 29, 2008 - 11:52 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Thats because its a Carbon haha. No seriously I run the stock ratio 27/61. (everyone knows the carbon fiber is the fastest)
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Eshardball
Posted on Wednesday, July 30, 2008 - 08:37 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Rode home from work yesterday. Approx 80mph @4000RPM.I did not find any loose wires to the tach.I think I was full of *#%@#" on the first speed/RPM ratio but the revs were still noticeably higher to draw my attention to it. I had to keep myself from trying to diagnose the issue in rush hour traffic. Yea the carbon definately makes you faster. At least for jets and arrows.
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Wile_ecoyote
Posted on Wednesday, July 30, 2008 - 11:23 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Would be something to keep in the back of your mind. If it is that clutch, you'll see it again. I had a GSXR that would do it every now and then. Turned out to be two springs hanging up on the basket. Different clutch design though. I hope things dont develop for the worse...............Matt.
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Eshardball
Posted on Wednesday, July 30, 2008 - 12:20 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I live in the country and ride pretty hard when I'm not in traffic. I haven't noticed any clutch slipping. That is why I was leaning towards a loose connection to the tach.
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