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Buell Forum » THUMPer Forum » Buell Blast Thumper Knowledge Vault » Engine - all topics related to the Motor » Power loss, speedometer goes dead « Previous Next »

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Brood
Posted on Tuesday, December 29, 2015 - 01:21 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Geez, it seems like if it isn't one thing it's another lately. I just did a shift pawl adjustment, clutch adjustment, replaced my primary shoe, adjust the primary and put in a new denso racing plug and now when I am driving from time to time I will get an intermittent sputter like I am running out of gas or the battery is losing connection and the speedometer drops to 0 mph and then turns back on, but I have a full gas tank and the battery terminals are on tight. Also I've been getting a little bit of a pulsing sensation as I hold it steady around 50 mph. Anyone know what could be causing all of these problems?
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Ezblast
Posted on Wednesday, December 30, 2015 - 02:58 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

How new is Das Boot?
EZ
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Brood
Posted on Thursday, December 31, 2015 - 12:19 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Well, I'm experiencing more of a pulsing sensations rather than a flat loss of power, also I haven't noticed any particular increase in gas mileage. The speedometer going dead leads me to believe its an electrical issue, but I'll spray a little bit of starter fluid around the boot tomorrow to see if that could be the culprit.
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Ezblast
Posted on Thursday, December 31, 2015 - 01:27 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The speedo going dead could mean a dead or dirty sensor - not related. Check that gas tank vent line is not kinked or clogged either. Das boot is a good bet though.
EZ
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Reepicheep
Posted on Thursday, December 31, 2015 - 09:42 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Does it backfire when it comes back online after a stutter?
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Brood
Posted on Thursday, December 31, 2015 - 02:35 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Nope, no backfire what so ever! idles really well and everything too. I have noticed a little bit of a clacking noise (not the primary, got that all fixed and worked out) but I think that is unrelated, seems to only happen while actually driving, and doesn't happen when I rev in neutral, it might be my caliper making noise actually. Also, the bike is never hard to start, even in 30 degree weather, starts right up. I have noticed the idle has been quite a bit faster since it got colder, could it be the autoenricher messing around with things?
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Ezblast
Posted on Friday, January 01, 2016 - 12:52 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

How new is das boot?
EZ
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Brood
Posted on Thursday, January 14, 2016 - 11:13 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

So, as it turns out, the denso plug I bought was the cause of all of this, I bought IXU01-27 with was apparently causing some pinging, I switched back to the old NGK spark plug and everything is normal. Then speedometer going dead was due to one of my battery terminals being loose, I had it tightened down, but it was still moving about. sanded it down until shiny and added a washer and everything is working just fine now
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Ezblast
Posted on Friday, January 15, 2016 - 12:25 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Then new das boot needed - it is too lean for an efficient plug - you are hiding symptoms - jetting should be 45 or 46 and 170 for stock 175 for other and shim needle with two #4 brass washers.
EZ
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Vicenzajay
Posted on Friday, January 15, 2016 - 11:23 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Or the plug could be defective. I got two defective denso racing plugs and finally punted to the Brisk plugs (with no issues after changing)
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Ezblast
Posted on Friday, January 15, 2016 - 09:10 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Betting I'm right - that he never replaced das boot.
EZ
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