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  1. #1
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    Hi Guys, im new to f800gt and look forward to your news and views. Can you please inform me if its worthwhile to fit a booster plug. I do notice on my bike it is slugish / jerky in slow traffic. Cheers.

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  3. #2
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    IMO a booster plug is not advisable. The F800GT likes revs, generally if you keep it above 5,000RPM it has descent response and acceleration. The more revs the more power it makes. What kind of bike did you come from? When i first got mine I felt like it was a bit sluggish but I was coming from a 2014 ZX6R 636 that weighed at least 50 pounds less and had 125HP versus 90HP for the F800GT.

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    I'd probably not mess with making changes until you're totally comfortable with the clutch, fuel mapping and engine behavior. How many miles are on your 800GT? My 2013 800GT freed up quiet a bit after it was broken in around 5k - 6k miles. PhotoAl is also correct, the rotax motor does just fine at higher revs so try not to lug it around town too much. My ear is always listening for about 4k rpm and I shift accordingly around town. It's not a sport bike, but with a little practice it seems do do fine.

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    Thanks . Photo Al and XR 1000. my bike has 8000 miles 2017. I have read some good reports about a booster plug. Can they damage my bike or interfer with the electronics.

  7. #5
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    My last bike was a cbr500r

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    i wouldn't bother, IMO. I've learned to ride the bike with it, and can now very smoothly apply the throttle from low revs in 1st/2nd. It takes a lot of learning and skill as you have to be very smooth with the throttle application, due to the very responsive nature of the engine.
    BMW F800ST, 2010, Black, Fuzeblock, Sat Nav, BMW Tank Bag, Givi Touring Screen, Spotlights, 50K Miles 

  9. #7
    Richard230's Avatar
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    In my experience, a Booster Plug can help, but it depends upon the motorcycle and what its fueling problem is. I installed one on my F650GS and while it made a big improvement under full throttle (which had noticeable lean-surge), it did nothing for off-idle response, part-throttle operation and did not alter fuel mileage. On the other hand, it made a big improvement on my 2020 KTM 390 Duke by eliminating surging under 4K RPM to the point where I was able to gear-up one tooth on the counter shaft sprocket, but did nothing above 4K and reduced fuel mileage slightly. My 2016 R1200RS has perfect fueling and doesn't need any modifications, but some people who own later models of the RS say that the Booster Plug helps their bikes. So it is a bit of a "crap shoot".
    Richard - Current bikes: 2016 BMW R1200RS, 2018 16.6 kWh Zero S, 2011 Royal Enfield Bullet 500 Classic, 2009 BMW F650GS, 2020 KTM 390 Duke, 2002 Yamaha FZ1 (FZS1000N) and a 1978 Honda Kick 'N Go Senior. 

  10. #8
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    What the heck is a "booster plug"?

  11. #9
    Ware, Herts, UK Pat H is offline F800Riders.org Supporter
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    Normally its a device that you install between the airbox temp sensor and the ECU. It tricks the ECU into thinking the air temp is different to what it is and that will change the fuel injection ratio. Its a poor mans ECU injection remapping.
    Flame red F800s as of Nov 2006. Watch for me around North London.


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    First, welcome to the forum, davdundrod. Do us all a favor and properly introduce yourself over at https://f800riders.org/forum/forumdi...-Introductions It would be great too if you could add a location, and maybe something a little friendlier for a name than davdundrod. Believe it or not, we're an international family and we like to know each other.

    I stalled a F800GT when I took it out for a test ride. The clutch engagement feels different than what my old Deauville felt like. But I also got used to it and haven't had an issue with it for over 60,000 miles. You could look at it as something you need a "fix" for...or something you can use your mental and physical talents to overcome.

    Chris
    Elnathan - 2014 BMW F800GT
    IBA# 49894 True Rounder = 0-20's - Rounder -- to -- 100's+ Red Hot Rounder

    John 14:6 

  13. #11
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    flyrider, a more familiar term might be power commander. They are sometimes helpful to fool the fuel mapping required for import emission standards or if you upgrade the pipe and air filter it can help the mapping to match. In the old days we changed jets....

  14. #12
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    In California products like the Power Commander are illegal to sell here. The Booster Plug seems to be the only product that you can purchase in this state that won't get the seller (and perhaps the installer ) a really big fine. Revzilla was recently fined $1.8 million by the state for selling items like the Power Commander and even slip-on mufflers to residents of California that were not approved by the CA EPA. One article said that they could have been fined up to $180 million for their transgressions, which is why they agreed to paying just 1% of the maximum fine.
    Richard - Current bikes: 2016 BMW R1200RS, 2018 16.6 kWh Zero S, 2011 Royal Enfield Bullet 500 Classic, 2009 BMW F650GS, 2020 KTM 390 Duke, 2002 Yamaha FZ1 (FZS1000N) and a 1978 Honda Kick 'N Go Senior. 

  15. #13
    Ware, Herts, UK Pat H is offline F800Riders.org Supporter
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    Quote Originally Posted by Richard230 View Post
    In California products like the Power Commander are illegal to sell here. The Booster Plug seems to be the only product that you can purchase in this state that won't get the seller (and perhaps the installer ) a really big fine. Revzilla was recently fined $1.8 million by the state for selling items like the Power Commander and even slip-on mufflers to residents of California that were not approved by the CA EPA. One article said that they could have been fined up to $180 million for their transgressions, which is why they agreed to paying just 1% of the maximum fine.
    Well in a world trying to manage emissions allowing users to alter the fueling that that the makers have ensured complies with regulations makes a mockery of trying to regulate.
    Rock on all electric bikes at a sensible price with charging points around!
    Flame red F800s as of Nov 2006. Watch for me around North London.


    Don't miss the F800 Garage Door Opener Video: http://www.youtube.com/watch?v=1C-Bxifv2Pk 

  16. #14
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    Electric bikes !!! Without the smell of fast burning fuel, grunt of the exhaust, sound of accelerating - deal me out of that doomsday for bikers.

  17. #15
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    I would love to have an electric motorcycle that cooks castor oil and sounds like a big British single while it is going down the road. But apparently enthusiasts like me are going the way of the dodo bird.
    Richard - Current bikes: 2016 BMW R1200RS, 2018 16.6 kWh Zero S, 2011 Royal Enfield Bullet 500 Classic, 2009 BMW F650GS, 2020 KTM 390 Duke, 2002 Yamaha FZ1 (FZS1000N) and a 1978 Honda Kick 'N Go Senior. 

  18. #16
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    Quote Originally Posted by Richard230 View Post
    I would love to have an electric motorcycle that cooks castor oil and sounds like a big British single while it is going down the road. But apparently enthusiasts like me are going the way of the dodo bird.

    Looking to be heading that way. In UK, if I've understood it correctly, the governments stated aim is to stop sales of non electric cars and vans by 2030. Already a big swing that way with corporate fleet sales :-

    https://www.fleetnews.co.uk/news/lat...illion-by-2030

    Hopefully I'll still be able to ride some of my old nails by then although it's looking increasingly more unlikely.


    Sent from my moto g(8) power lite using Tapatalk

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    Quote Originally Posted by Pat H View Post
    ...makes a mockery of trying to regulate...
    Unfortunately, I think the fires on the west coast made a mockery of emissions regulations. One of the sites I was checking for air quality, showed the smoke extending way out into the Pacific Ocean, and stretching east out to the Atlantic.

    Chris
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    IBA# 49894 True Rounder = 0-20's - Rounder -- to -- 100's+ Red Hot Rounder

    John 14:6 

  20. #18
    Ware, Herts, UK Pat H is offline F800Riders.org Supporter
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    Quote Originally Posted by Daboo View Post
    Unfortunately, I think the fires on the west coast made a mockery of emissions regulations. One of the sites I was checking for air quality, showed the smoke extending way out into the Pacific Ocean, and stretching east out to the Atlantic.

    Chris
    That's not a very smart way forward. We probably have to work even harder to counter the decades of emissions damage. Fires won't help but its no reason to give up. Granted not likely to be my problem but I have grandchildren and I'd prefer there is something of earth left for them.
    Flame red F800s as of Nov 2006. Watch for me around North London.


    Don't miss the F800 Garage Door Opener Video: http://www.youtube.com/watch?v=1C-Bxifv2Pk 

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  22. #19
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    Quote Originally Posted by Davdundrod View Post
    Hi Guys, im new to f800gt and look forward to your news and views. Can you please inform me if its worthwhile to fit a booster plug. I do notice on my bike it is slugish / jerky in slow traffic. Cheers.
    And now back to our regularly scheduled programming as they used to say on TV. Or in this case, booster plugs.

    Chris
    Elnathan - 2014 BMW F800GT
    IBA# 49894 True Rounder = 0-20's - Rounder -- to -- 100's+ Red Hot Rounder

    John 14:6 

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  24. #20
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    Quote Originally Posted by BoxerBits View Post
    Looking to be heading that way. In UK, if I've understood it correctly, the governments stated aim is to stop sales of non electric cars and vans by 2030. Already a big swing that way with corporate fleet sales :-

    https://www.fleetnews.co.uk/news/lat...illion-by-2030

    Hopefully I'll still be able to ride some of my old nails by then although it's looking increasingly more unlikely.


    Sent from my moto g(8) power lite using Tapatalk
    California's Governor just announced today that he is asking his regulators to formulate rules that would result in no new internal combustion powered cars or trucks being sold in the state after 2035. Naturally there was no mention about motorcycles, but I imagine they will be on the chopping block too. The major motorcycle brands has better start thinking about what they are going to do before then.
    Richard - Current bikes: 2016 BMW R1200RS, 2018 16.6 kWh Zero S, 2011 Royal Enfield Bullet 500 Classic, 2009 BMW F650GS, 2020 KTM 390 Duke, 2002 Yamaha FZ1 (FZS1000N) and a 1978 Honda Kick 'N Go Senior. 

  25. #21
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    Hi Guys,

    I've tried both the Booster Plug & the AF-XiED Sensor Manipulator. The Booster Plug worked well for a short time before the effect diminished but the AF-XiED has worked from day 1 and continues to do so. In my opinion it is a much better solution... although it costs a bit more.
    Regards,
    Phil. 

  26. #22
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    I installed a Booster Plug on my 2013 F800GT, and it made a huge improvement in driveability. The stock bike had an "either on or off" throttle at low RPMs, and was jerky. Unacceptable. The Booster Plug cured that. No difference observed at higher RPMs. Installation was easy, took about 30 minutes, since I was going slow and being careful. Others may be able to do it faster.

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  28. #23
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    +1 on what nevergiveup said. I had to commute through traffic regularly and the snatchy throttle was a pain. Keeping it above 4,000 revs in that situation is impractical. BoosterPlug fixed it for me. Not only makes the engine more tractable in town, but quietens a lot of the "Bag O' Nails" rattle too.

    I haven't noticed it makes any difference in the bikes performance on the open road, but I haven't lost any MPG on long trips either.

    Ian
    Last edited by Norfolk UK; 3 Weeks Ago at 04:25 AM. Reason: added text
    2014 GT Orange. Just the comfort pack and heated grips - not into gizmos.

    "Pity the man who wasn't born in the Highlands and hears the pipes"  

  29. #24
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    Is anyone able to make a comparison between the cable and fly by wire throttle control used on the GT? My 2013 was a bit jerky in traffic but my 2018 seems much smoother with its fly by wire throttle. Problem is, I'm not sure whether it's my imagination or not. The OP didn't say whether his bike was cable or fly by wire. 2017 was right on the changeover point.
    18 F800GT 

  30. #25
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    I agree with you Rich, my 2019 GT is much smoother at low revs with the fly by wire, compared to my old 2015 without.
    Kevin.
    F800GT '19 in blue, Lowered Pegs, Delkivic end can. 

  31. #26
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    Never thought of my 2016 as having a jerky throttle. Actually thought it was pretty good. My usual launch was just above idle with enough throttle to avoid stalling. I have done a lot of riding well below 4,000 RPM. Usually in small town kept revs down to get best gas mileage. Started doing it in areas where gas stations were not common and needed to get good mileage to make it to the next fueling point. I would avoid large throttle openings below 3,500 to 4,000 RPM.

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  33. #27
    Right Hand Drive's Avatar
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    Ah, great! Probably not my imagination after all then. My 2013 GT wasn't bad, it's just that the fly by wire seems to make it smoother. I also noticed less vibration through the bars at motorway speeds. Again, maybe the more accurate fuelling of the electronic throttle?
    18 F800GT 

  34. #28
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    I installed the AF-XiED on my GT. Seemed to help out with low end but did drop the fuel mileage. I recently removed it and I can say the biggest difference I have noticed is much better mileage.
    One AF-XiED for sale at a reasonable price!

  35. #29
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    A little late to this, but another vote for the booster plug. Fitted mine years ago after a very uncomfortable time touring in Europe without it - on/off throttle completely gone, and so much more tractable at low revs in higher gears too. Driveability improves 100%.
    And contrary to what some people claim, the effect hasn't diminished or changed at all, years later and it's still far smoother to ride.
    This is on a 2011 ST btw

  36. #30
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    Quote Originally Posted by Richard230 View Post
    I would love to have an electric motorcycle that cooks castor oil and sounds like a big British single while it is going down the road. But apparently enthusiasts like me are going the way of the dodo bird.
    Based on motorcycle sales don't think folks like you and I are going the way of the dodo bird for a while. I have a Chevy Volt that I love and love skipping the gas station and it is great around town. Only reason I bought the Volt was it was cheap (after all of you helped me buy it) and I had a motorcycle for fun. The places I took my F800GT where gas stations were far between and "what is a super charger" "is that a new credit card machine?" would be there response to an electric vehicle. IMO there is not a good solution to taking a long trip around the country to remote spots in a totally electric vehicle. With a real 300 mile range electric cars can go some amazing places but motorcycles are way down from that range and I don't see anything changing that in the near future. Will need higher energy density storage devices to come close to matching a conventional fueled vehicle.

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