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800 efi no compression

  1. 2011 big boss 800 EFI - no start, bad compression

    ATV Repair and Maintenance
    I think its about time i ask for some help. getting in over my comfort level. Bought used 2 yrs ago. Cant remember how man hours on it, but not many. invoice says 800km when i got it. maybe i have put several hundred more on it.very little use, easy trails. never sunk. stored under cover. mild...
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