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Buell Forum » Big, Bad & Dirty (Buell XB12X Ulysses Adventure Board) » Compensator troubleshooting « Previous Next »

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Fernus
Posted on Thursday, November 21, 2019 - 09:18 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Hey, Just about to pull the trigger on a new starter purchase when I learned about the compensator being a possible contributor to starting issues and starter failures.

Can anyone shed some light on how to troubleshoot a compensator?
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Tootal
Posted on Thursday, November 21, 2019 - 11:02 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

If your talking about a compensator sprocket on the crank, in the primary, then that's not your problem because Sportsters and Buells don't have one. Only the Big Twin engines use compensators.
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Fernus
Posted on Thursday, November 21, 2019 - 02:56 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Tootal - Thank you.
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Froggy
Posted on Thursday, November 21, 2019 - 03:40 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Thank you Tootal, I've not heard of that before. I though he meant the bike is compensating for something else!
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Tootal
Posted on Thursday, November 21, 2019 - 04:33 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The compensator takes out the surge from when the cylinder fires. It's basically a dampner. That's why the big twins can run at such low rpm's without feeling jerky and we Buell riders need to keep it up around 3000 rpm. There's been many big twin riders that switch to a Sportster or Buell and complain about the jerkyness at 2000 rpm.
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Ourdee
Posted on Thursday, November 21, 2019 - 09:24 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Thanks Tootal. That explains a lot.
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