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82 gs650 driving me nuts. Smoke/backfires, only runs on choke

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    #31
    Blue can be oil
    valve stem seals - will sip some oil
    gas in oil- how's your oil level?
    1978 GS 1000 (since new)
    1979 GS 1000 (The Fridge, superbike replica project)
    1978 GS 1000 (parts)
    1981 GS 850 (anyone want a project?)
    1981 GPZ 550 (backroad screamer)
    1970 450 Mk IIID (THUMP!)
    2007 DRz 400S
    1999 ATK 490ES
    1994 DR 350SES

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      #32
      Some fuel did get into the oil when I was working on getting my carbs set up correctly. Had an issue with a couple float needles and ended up replacing them. I did completly drain the oil and replace with new oil and new oil filter.

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        #33
        Small update: Worked on the bike this weekend, just aesthetics, but did start the bike and let it warm up. I took some a couple videos (see below) of the smoke at idle and revving up to 1/4 throttle.



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          #34
          Usually if it smokes on acceleration or constant throttle, it's valve guide seals. If it smokes on decel it's rings.

          Mad
          Last edited by Maddevill; 01-11-2021, 02:08 PM. Reason: Wrong word
          83 GS750E
          2006 ZX14
          2004 KTM 450 EXC
          2001 Yamaha Big Bear

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