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#7388
♠️ M77
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  • Topics: 40
  • Replies: 2,986
  • Country: UK
  • Bike Model: GT

i have efi gv 250 when it gets hot starts stuttering backfireing . and loses power but i can keep it running but got so hot when i made it home muffler turned color. im thinking maybe oxygen sensor . but want to see codes before tring to buy stuff i may not need.. manual says i need dealer mode selector tool . but must be a way to do it without it?

The plug where the manual asks you to use the dealer tool,   use a paper clip to bridge across the pins, it is a bad suggestion i know but personally i would be careful doing that as not to short anything but it will do the job  ,    the dealers usually have a “rocker on/off” switch that just plugs in that same port.