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  1. Tom

    Loud clacking from motor

    Looks like my woes continue. After a hard ride on the way to work yesterday, I noticed a the sound of baseball cards on a bicycle spoke coming from my motor. I have a full Yoshi exhaust, so for the noise to be loud enough to be heard over the exhaust, I knew there was an issue. Took the...
  2. Tom

    Did my clutch slip?

    On the way to work today, I had a bit of an issue that has me running through possible culprits in my head: The bike was at about 5 bars on the temp gauge. Going down a hill in 4th. RPM was about 9K. I had the gas pinned, and the bike was still accelerating, then randomly it bounced off the rev...
  3. Tom

    Stripped radiator bleed screw.

    I'm really not sure how this even happened. I stripped the radiator's bung for the bleed screw today... Worst part? I was only using a screw driver to tighten it back when it happened... I had to use a small ratchet wrench to loosen it while the engine was hot, then decided that in case more...
  4. Tom

    Upper radiator hose kink?

    Hello all, I decided to replace the green stuff with the factory suggested Motorex M3.0, I figured I may as well sleeve my radiator tubes while the bike is apart. I just finished putting heat sleeve on my radiator hoses, and I think I may have made a kink in the upper radiator hose during the...
  5. Tom

    KTM User Setting Tool?

    Anyone have any info on what this is for? I downloaded it from KTM's website, it looks like it has some capabilities for tuning EFI. Anyone ever use this before? Does it work on our bikes?
  6. Tom

    EVAP delete

    I installed the Rottweiler EVAP delete kit the other day. I had a quick question about closing off the small tube that goes from the charcoal canister to the gas tank. I noticed today, that when I went to fill my tank (it was still about 1/3 full) there was suction on the fuel cap when I opened...
  7. Tom

    Titanium valves straight from the horse's mouth (Ferrea)

    I though I would post this, to help wondering minds save some cash... https://www.youtube.com/watch?time_continue=334&v=8X7h6H2LSpU Cliff notes are that titanium valves don't perform well on the exhaust side for motors that run hot. Titanium can be used on the intake side, but unless an alcohol...
  8. Tom

    Base AFR map for intake/injector combo '17 RC390

    !!!! UPDATE 4/13/2019 !!!! After switching to the Rottweiler charcoal canister delete, I have noticed rich spots across the map. It appears as though I may have had a faulty evap system from the factory. The map below is still use able and safe. That being said, I will be working to upload a new...
  9. Tom

    what happened to headlight mods?

    It seems like on the 2015 and 2016 bikes, there were LED kits and lots of interest in getting our bikes to have both headlights on. Is there a reason why people aren't doing this anymore? Does running the high beam with the low kill the battery over time? I'm sick of having to hold the "pass"...
  10. Tom

    Tyga license plate holder on Yoshi dual?

    Does anyone know if the Tyga license plate holder will work with the Yoshi dual exhaust? I love the look of the dual carbon exhaust, but I'm not sure I like the Yoshi license plate holder. The Tyga plate holder looks to tuck the plate up nice and high. How are the guys with the dual exhausts...
  11. Tom

    Fuse taps for Wideband Commander 2

    I love the job HardRacing did with this kit. The videos, the closed loop tuning, this is really a must have for any Power Commander owner. That being said, the fuse taps you guys supply could use a little work. I just installed one of these...
  12. Tom

    Tuning without knock sensor

    I don't understand how people are tuning without a knock sensor. If knock is bad enough to cause you to feel it or see it on a dyno, then you are already pitting the combustion chamber. So my question is, how on earth are people tuning motors without a knock sensor? Tuning an AFR reaches...
  13. Tom

    Fully Modded RC390 VS 600?

    I see a few of the guys here have lighter wheels and rotors, major engine mods, the whole shebang. Out of curiosity, how close does this get you to the performance of say an R6 or similar 600cc? Does a super light RC390 making roughly 45 hp- 50hp at the wheel make up for the power difference...
  14. Tom

    rc 390 rekluse clutch

    Does anyone here have one of the rekluse clutches that are now a factory power part on the 2019's? It seems like being able to launch in 1st with a twist of the throttle, plus a no-lift up shifter would be the cat's meow.
  15. Tom

    RCX2 bodykit

    Dunno how I feel about it, but def. looks different. https://www.autologuedesign.com/body-kits/ktm-rcx2
  16. Tom

    Octane for Chad’s maps?

    After looking in the manual today, I saw they recommend 91 octane. I’ve been using 93 lately, and I know this will produce less power if timing isnt tuned for it. Seeing as how our bikes have no knock sensor, and thus doesnt pull timing on detonation, I was just wondering what the...
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