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Dtmcnamara
Posted on Wednesday, June 11, 2008 - 09:03 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Ok. so my speed sensor stopped working after my motor build. when i finally took it out i noticed that it had a lot of metal shavings on it. would this make it not work? i also have a race ecm, not sure if this would affect anything. thanks
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Natexlh1000
Posted on Wednesday, June 11, 2008 - 09:08 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Yes.
Clean off the metal shavings and put it back in.
It's a hall-effect sensor with a magnet built in.
If it's covered in metal shavings, it can't "see" anything.
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Dtmcnamara
Posted on Wednesday, June 11, 2008 - 09:12 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

thanks. i still need oil lines but hopefully everything will be in working order once I start it back up again.
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Hootowl
Posted on Wednesday, June 11, 2008 - 10:02 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

If it still doesn't work after cleaning, it's dead. Not uncommon on the tubers. I've gone through several myself. Buell fixed this in 03 with an updated part.
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Dtmcnamara
Posted on Wednesday, June 11, 2008 - 10:04 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

i hope its not dead. it only has 7,000 miles on it...but then again I have been through worse in these 7,000 miles. wouldnt be anything new or surprising...
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Hootowl
Posted on Wednesday, June 11, 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 feel you. I had one last 300 miles. It shorted and blew my ignition fuse. I didn't know what the problem was, cost me $500 and a tow to find that out.

The power for the sensor is 12 volts unregulated. There's a member who spent quite a bit of time researching this (Reepicheep) and he came up with the fix. You put a 5 volt regulator in line with the sensor, and it'll live a long and happy life. The new replacement sensor incorporates a 5 volt regulator, and on the XB series the ECM feeds it regulated 5 volts from the get-go. (After mid 03 I believe.)

If your sensor works after cleaning it, you may want to install a regulator to keep it from blowing on you. Bill (reep) can provide you with the schematics, plus I'm pretty sure he posted them in the KV.
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Werewulf
Posted on Wednesday, June 11, 2008 - 05:42 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

http://www.badweatherbikers.com/buell/messages/476 23/367239.html?1213025231
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