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Buell Forum » Knowledge Vault (tech, parts, apparel, & accessories topics) » Electrical - Battery, Charg Sys, Lights, Switches, Sensors & Guages » 08 1125R check engine light and low fuell light « Previous Next »

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Newlife
Posted on Monday, April 22, 2013 - 09:11 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I have a '08 1125R and the low fuel light comes on along with the check engine light (it has a full tank). I have to set my bike up to ride one-armed (right side controls). In doing so I use a right sided clutch (aftermarket) so the side stand safety switch is disconnected seeing there is no place to plug the wires into. Also the the front brake line gets rerouted to the back brake pedal, which leaves the front brake switch disconnected and I also disconnect the back brake, and only use the front. I took it for a short ride this year and the lights seem to come on when I get on the throttle.
Will any of these open circuits, or disconnected back brake line set off these warning lights?
Or do you think the stock voltage regulator
could be the culprit?
If it is the voltage regulator is the CE605SB regulator the best option, and how would I test to see if the stator is still good?
Any Help is much appreciated!
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Youk
Posted on Friday, August 30, 2013 - 09:18 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Others will likely chime in, but there are known issues with the Check engine light, and the low fuel light. There are some good threads on here. My 1125R has an issue with this as well, but its the opposite. My Low fuel light does not come on reliably, I've run out of fuel more than once. Try to google 1125r fuel sensor, and see what pops. There was an instrument cluster update the fixed problems for some. I also personally believe that the sensors drift out of spec over time. I'm going to try to find a replacement thermistor, because in order to replace it from harley, you have to replace the fuel pump, which is ridiculous. I hope I haven't given you any bad info, But this is what I recall from my research a little over a year ago. You might check the 1125R board as well.
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