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I currently own 2020 Indian scout bobber
Upgrades I have:
Zipper intake
Vance hines slash cut 3 inch slip on
Pv3 tune

Used a preloaded tune from the pv3 and bike ramp pretty good just a little rich.. recorded data and sent back to Dyno jet and after about three days started to lose an immense amount of horsepower or torque.. not very bike savvy but I know enough to get by LOL.. I've tried to restore the flash to its normal setting and still with no avail nothing.. I've change my spark plugs check the battery etc etc.. I thought maybe my exhaust was loose and I tightened that to spec.. I'm actually completely lost now. I've also tried other presets on the pv3 that were very similar to my setup including the pre-tune that they have that stock exhaust and stock intake and it's just the upgraded version... Any help would be awesome right now
 

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I would look at an intake leak. Maybe there is a slight gap somewhere or one of the intake seals got pinched. I am not familiar with the Scout engine but with engines in general if there is a vacuum leak or intake leak the engine will not idle very good.
 
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