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Friday, February 23, 2024

2016 F800GT: acceleration flat spot 4K-5K rpms. Couple of questions…


Briefly: bought the bike about 4 months in the past with 4,005 OTC. It is my 2nd F800GT, and the primary was a used ’13 with comparable miles, however no flat spot. This flat spot within the ’16 was current from the beginning for me–it’s not very unhealthy however simply not linear in that vary. So from 2k to 4K RPM pull is sweet and linear. From 4-5K pull flattens out, however as stated picks up once more after about 5K in the identical gears. A knowledgable good friend thought it is performing prefer it’s leaning out in that RPM vary. Did valve examine, compression examine, new plugs, new air filter and every little thing was high-quality. I had an occasion at about 350 miles of driving after getting the bike the place it was getting near empty (which means near the place it will change to order the place miles in reserve begin counting up), bike was midway warmed up, when it out of the blue died, and felt like no gasoline. I used to be solely 50y from a gasoline station, so began it up once more and it was sufficient to coast into the station then it died once more. After replenish, so this was the 2nd replenish for me, I have never had a problem w/ this stall out since that one time, and have one other 1250 miles on the bike since then. I assumed on the time possibly the gasoline pump was going out, or possibly water within the tank. I put some HEET in and as I say, no points with stall since then, but in addition the primary 350mi had no points with stall out so possibly that argues in opposition to water settling within the tank onerous to say.

Anyway, curious in case you have this particularly in a ’16 in case it is year-specific, however Euro 5 did not begin til ’17 at which level the went to ride-by-wire tech.

Some questions:

  • Have there been any firmware updates which may impression the Engine Management Module?
  • Have you ever skilled this, and if that’s the case what mounted it if something?
  • Every other ideas about what may be the perpetrator?

I’m now having the gasoline pump and filter changed because the bike is 8y/o and I plan to maintain it til accomplished driving and bought it for a superb worth. In all probability an extended shot it is concerned however I can think about completely different calls for on the pump associated to load/rpm may manifest in a gasoline pump headed for failure, or not.

Thanks upfront on your insights! I like this bike, #2 F800GT, modded good for me, downgrading from the brand new ’16 RT I have been driving for the previous 7.5y and 54K miles. I want to do away with this flat spot!

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