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Buell Forum » 1125R Superbike Board » Speedo & gear indicator dropping out « Previous Next »

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Wombat
Posted on Sunday, March 14, 2021 - 01:45 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Gday all, just started riding my recently purchased 09 1125R & the speedo & gear position indicator are mysteriously dropping out, then returning ! Im not sure if its a result of bumpy roads & a bad connection somewhere, or if there is a Buell gremlin that others have come across? Anyone else had this issue before?
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Xbuell12s
Posted on Sunday, March 14, 2021 - 07:43 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Could be a ground issue. Check the ground that is on the front of the steering neck.
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Cupcake_mike
Posted on Sunday, March 14, 2021 - 08:27 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Could be a bad speedo sensor. Since the gear comes from a calculation the ECM does relating to speed and RPM. Unplug the sensor, Under the seat, left side (3 wire plug), see if the acts the same.

New sensor is about $90 from St. Paul HD

(Message edited by cupcake_mike on March 14, 2021)
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Bman12r
Posted on Monday, March 15, 2021 - 02:06 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

When I bought my 08 1125r, I had problems with bike on first ride home. Speedo cluster started flaking out. Took back to dealer. They diagnosed as bad connector from ECM to instrument cluster. If I remember correctly.
They put a new 09 cluster in and a reflash of computer. All under warranty. Been fine ever since. Hope this info helps.
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Cupcake_mike
Posted on Sunday, March 21, 2021 - 08:50 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Another idea, the speedo sensor gets its power from the horn/brake light fuse, might check that out.
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