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'84 XJ750RL Issue

Discussion in 'XJ Technical Chat' started by Matt Biller, Nov 13, 2020.

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  1. Matt Biller

    Matt Biller New Member

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    Hello everyone, I regularly ride my '84 XJ750, but have started having an intermittent issue where the bike suddenly loses power, and then snaps back again, repeating this several times before smoothing out again. When the episode happens, the tach goes nuts, up and down and all over. Has anyone else experienced symptoms like this? I also seem to get poorer mileage than I would expect (35mpg) but this has been the case ever since owning the bike, even with carb adjustment.

    Cheers
     
    Matt Biller, Nov 13, 2020
    #1
  2. Yammaat

    Yammaat Active Member

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    Check your ignitioncoils under the gastank and or sparkplugcaps/leads.
     
    Yammaat, Nov 13, 2020
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  3. jayrodoh

    jayrodoh YimYam

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    If the tach goes nuts it is most likely electrical. With bikes this old and full of unsealed connectors, taking apart the connections and giving them a good clean is ideal.

    Does that bike have the kickstand safety switch? If so, I would inspect that. I've had more than one bike sputter/die while riding due to a dirty switch. They get hammered by the elements because of their location.
     
    jayrodoh, Nov 13, 2020
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