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82 xj 650 plug/clyinder question

Discussion in 'XJ Technical Chat' started by FarSlayer, Jul 30, 2016.

  1. FarSlayer

    FarSlayer New Member

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    Getting my bike back on the road. I have rebuilt the clutch, cleaned the carbs (only thing I did not touch was the mixture screws), re shimmed valves (had to do three of them) and scyn'd the carbs. I think have a small vacuum leak as the rpms move up and down at idle by about 100 rpm. Here is the strange part, when at idle if I pull off the #4 spark plug boot the engine dies in less than a second. All other plugs the engine stays running but rough and at much lower rpm. Also noted that the rpm drop when #3 boot plug pulled is less than #1 or #2 which are the same. Any ideas as to why? Thanks for any help.
     
    FarSlayer, Jul 30, 2016
    #1
  2. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    You did not touch the mixture screws = You did not fully clean the carbs.
     
    k-moe, Jul 30, 2016
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    Yardawg likes this.
  3. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    k-moe, Jul 30, 2016
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