Stock 2017 SuperDuke GT with fuel dongle review - KTM Forums: KTM Motorcycle Forum
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post #1 of 94 (permalink) Old 03-03-2019, 01:42 PM Thread Starter
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Stock 2017 SuperDuke GT with fuel dongle review

What happens when $50 buck Rottweiler fuel dongles get put on a stock bike? So many various reports of SAS removal, de-cat, mapping, commanders, this exhaust that exhaust ... it gets exhausting!
Having "been there - done that" to so many bikes in the past I decided to keep this bike as stock as possible, aside from a K&N air filter and lithium battery.

Goal was to improve low speed tractability and maybe keep the heat down some.
Used a well travelled loop for the test. 10 miles of 50-55 mph followed by 4 miles of super slow 24 mph slugging thru a pedestrian flush tourist zone. In 10 miles the bike has pretty much reached heat saturation, oil temp is normally 197-200F on an ambient 80F day. The 4 miles of slow going is done in 3rd gear with cruise set to 24 mph. The SDGT hates this, it behaves but oil temp climbs 10 degrees to 207F.

Today it is 80-81F. Install fuel dongles, disconnecting O2 sensors. The 10 mile ride gets oil temp to 181F ... considerably cooler. Slow 3rd gear slog and oil temp is 193F, better than 10F cooler.

Bike now has impossibly smooth throttle action - and I thot it couldn't be better. The 3rd gear C.C. slow-mo has gone so smooth that the mild chain snatch that you get at that speed has disappeared. Slow going in 2nd gear (walking speed) is so nice now in traffic it is not needed to go to 1st. Going home with CC at 55mph in 5th (below 4 grand) there was no bucking, very smooth.

Results are in and I would recommend it to everyone with a stock set up ... fuel consumption it presently 37 for me .. will be back with numbers when available. Seemed to be less heat at my leg but this can't be qualified as my shins have not been properly calibrated. Best $50 bucks spent.
Chip, cors187, AusPete and 4 others like this.

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post #2 of 94 (permalink) Old 03-04-2019, 03:46 AM
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Good report @Spartacus It's a nice feeling in your chest when something simple really works isn't it?

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post #3 of 94 (permalink) Old 03-04-2019, 05:59 AM
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The more I read about the fuel dongles, the better I like 'em. I'm not looking to make this thing faster, it's got plenty of ooomph. But smoothing out the low-speed fueling and lowering the oil temp? $50 is a bargain.
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post #4 of 94 (permalink) Old 03-04-2019, 06:19 AM
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Good on you for documenting the changes. I put the dongles on last year and your data matches my subjective impressions exactly.

Now, if you would be so kind as to evaluate this for us: https://www.boosterplug.com/shop/boo...1290-504p.html

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post #5 of 94 (permalink) Old 03-04-2019, 04:09 PM
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Quote:
Originally Posted by Spartacus View Post
What happens when $50 buck Rottweiler fuel dongles get put on a stock bike? So many various reports of SAS removal, de-cat, mapping, commanders, this exhaust that exhaust ... it gets exhausting!
Having "been there - done that" to so many bikes in the past I decided to keep this bike as stock as possible, aside from a K&N air filter and lithium battery.

Goal was to improve low speed tractability and maybe keep the heat down some.
Used a well travelled loop for the test. 10 miles of 50-55 mph followed by 4 miles of super slow 24 mph slugging thru a pedestrian flush tourist zone. In 10 miles the bike has pretty much reached heat saturation, oil temp is normally 197-200F on an ambient 80F day. The 4 miles of slow going is done in 3rd gear with cruise set to 24 mph. The SDGT hates this, it behaves but oil temp climbs 10 degrees to 207F.

Today it is 80-81F. Install fuel dongles, disconnecting O2 sensors. The 10 mile ride gets oil temp to 181F ... considerably cooler. Slow 3rd gear slog and oil temp is 193F, better than 10F cooler.

Bike now has impossibly smooth throttle action - and I thot it couldn't be better. The 3rd gear C.C. slow-mo has gone so smooth that the mild chain snatch that you get at that speed has disappeared. Slow going in 2nd gear (walking speed) is so nice now in traffic it is not needed to go to 1st. Going home with CC at 55mph in 5th (below 4 grand) there was no bucking, very smooth.

Results are in and I would recommend it to everyone with a stock set up ... fuel consumption it presently 37 for me .. will be back with numbers when available. Seemed to be less heat at my leg but this can't be qualified as my shins have not been properly calibrated. Best $50 bucks spent.
That's great news on the improved smoothness!!! Having also been through heavily modding my previous KTM (albeit KTM powerparts - full AKRA race kit), I'm going to be more selective on my new SDR.

Keep us posted on the temperature observations as your "shins become claibrated" - curious if it remains cooler with the dongles...

Last edited by 2cati; 03-04-2019 at 05:10 PM.
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post #6 of 94 (permalink) Old 03-04-2019, 05:05 PM
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I just ordered a pair. If I had them on there earlier, maybe the exhaust servo wouldn't have fried and I wouldn't have that dongle.
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post #7 of 94 (permalink) Old 03-04-2019, 05:09 PM
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Quote:
Originally Posted by Chip View Post
Good on you for documenting the changes. I put the dongles on last year and your data matches my subjective impressions exactly.

Now, if you would be so kind as to evaluate this for us: https://www.boosterplug.com/shop/boo...1290-504p.html
Hey @Chip there is a whole thread here - link below.

https://www.ktmforums.com/forums/duk...installed.html

My SDGT is standard other than a slip on for aesthetics. The booster plug made all the same changes @Spartacus mentioned to my bike when I added it last October. Quite a few reviews and comments here.

2016 Superduke GT - lucky #13
10 MV Agusta 1078 Brutale
13 BMW K1300S
10 Suzuki GSXR-750
11 Kawasaki Ninja 1000
07 Triumph Speed Triple
98 BMW R1100S
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Honda CB1100R
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post #8 of 94 (permalink) Old 03-04-2019, 05:15 PM
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Quote:
Originally Posted by AusPete View Post
Hey @Chip there is a whole thread here - link below.

https://www.ktmforums.com/forums/duk...installed.html

My SDGT is standard other than a slip on for aesthetics. The booster plug made all the same changes @Spartacus mentioned to my bike when I added it last October. Quite a few reviews and comments here.
Thanks for posting AusPete - I skimmed quickly but not the entire thread - did kevxtx test this or provide his feedback?

I've also reached out to booster plug to ask what makes their product superior to "dongles"...will share if I hear back..

Last edited by 2cati; 03-04-2019 at 05:22 PM.
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post #9 of 94 (permalink) Old 03-05-2019, 05:17 AM
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Quote:
Originally Posted by 2cati View Post
Thanks for posting AusPete - I skimmed quickly but not the entire thread - did kevxtx test this or provide his feedback?

I've also reached out to booster plug to ask what makes their product superior to "dongles"...will share if I hear back..
I'd be willing to bet that Rottweiler 02 "dongles" are the same thing as "booster plugs"
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post #10 of 94 (permalink) Old 03-05-2019, 08:33 AM Thread Starter
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Began to check out the booster plug thread, no expert here but it does seem to do the same as the dongle?
Absolutely certain that the heat blowing on your right shin is approximately cut in half. Oil temp now is mostly 185-191F ... with a low of 177F (previously never seen).
Lowering running temps can only increase the life of engine components - heat is the enemy. Oil is after all a coolant first and lubricant second.
With the dongle working to 5500 RPM (then the secondary takes over) this suggests that 85% of your time riding is with dongle. (maybe half the time for AusPete?)

If the next guy that gets his dongle would do us a favor before starting? Should have aimed my lazer temp thermometer at the exhaust headers and the fan exhaust of an already warmed up engine. Then do the dongle swap.
I'm wondering if lower header temps might help the lifespan of that rear shock a few inches down-wind from the heat stream? A small patch of header insulation exists there now so there must be a concern?

I have been taking Viagra for my terrible sunburn ... doesn't cure it or anything but it keeps the sheets off my legs at night!

Quit smoking weed cuz I thot it made me lazy and unmotivated ... turns out I'm just lazy and unmotivated.

This would have been the week that I'd have finished chewing thru the restraints, then they added new layers.

Diet Day #1 - I removed all the fattening food from my house. It was delicious.

Books are just TV for smart people
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