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Discussion Starter · #1 ·
'14 MTS1200S with full Termi and factory Up Map.

On more than one occasion now, it seems like it's losing the race map and starts running bad with lots of popping on decel and generally poor fueling. I reload the map, which seems to only work sometimes and it runs great for a while. Any ideas?
 

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Discussion Starter · #2 ·
Update. It’s not the map. Bike runs like crap at steady throttle and anything around near closed throttle. Ideas?
 

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1.What are you using to change maps? Rexxer? Tuneboy?
2. How do you know it's not the map? There is a/f ratio for the entire powerband.
3. Did this just start happening? Is there anything different that you've done with the bike, like getting wet? Perhaps, it could be bad fuel, clogged injectors, fuel filter, etc.
it sounds like some sort of fueling issue. I'd change the fuel filter then run a bottle of Techron through it to see if it helps. It's the easiest (and cheapest) thing to try first then start eliminating
 
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