air

  1. Y

    Making Andreani's Work

    I’m not a suspension expert by any means, nor do I have a degree in fluid dynamics. But I’ve been involved in motorcycles for a while, I’ve done forks swaps, had forks revalved, etc. I’m not writing this to provoke responses, but trying to pay it forward. I wished I’d had access to this...
  2. Y

    What's with all the rubber?

    It amazes me that a motorcycle with a marginal cooling system has so many obstructions to air passing through the radiator. I've disassembled my bike to make modifications, and there's rubber everywhere! I searched extensively, and the only thing could find was a suggestion by someone who...
  3. V

    De-cat pipe and air filter question

    I just ordered comp werks de cat pipe and k&n air filter. Will this setup be ok to run on stock ecu????? Thanks
  4. V

    New member

    Hi evryone, I'm a Vitpilen owner from France. I love this forum, this is where the best parts for this engine are ! So i hope, you will acept me. My bike is already equipt with a mivv pipe, gray area air intake mode and a PCV. I'm struggling with the PCV map, i'm here to find a solution ...
  5. Hafer

    Air box mod for sale

    Like new MNNTHBX air box cover. Too loud for me. I will take $35.00. Shipping shouldn’t be much. I might work with you on that.
  6. cjwell

    '17 on duke k&n air filter

    In a week or so I will have these available for the Duke crowd!
  7. Superpacman13

    First Gray Area KTM Custom Part made!

    Introducing our first designed and developed in house product! The simple and subtle rear tank mount! No its not much and won't make 15% gains like our air tube but it does make life easier. I was tired of having to pull the fuel tank to clean my air filter so I made a fix, this bracket is that...
  8. UMZenki

    DynoJet PCV and QS sensor for 2015 RC

    DynoJet PCV and QS sensor for 15/16 RC Looking to sell the kit to someone building up a winter race project... I converted the race bike to street trim and no longer have a need for them. PCV comes with map from Chad for production class (snorkel, exhaust, air filter). Looking for $400 for the...
  9. Z

    Used bike maintenance

    Bought a used rc390 with an unknown history. All signs point to a gentle life before my ownership but it's not known if the previous owner maintained it. So far I have changed the oil and replaced the filter & screens, flushed and replaced the coolant, cleaned/lubed and adjusted the chain...
  10. C

    Engine issue- MPG dropped by 10mi this year

    Hi, I have a 2016 RC390 with the following mods made last year. Current ODO = 2,250mi Yoshimura CF RS-9 exhaust / K&N Air Filter / MMNTBX Air box mod. / PC V with map from Chad (Commonweatlh) who also flashed ECU with "Akra" MPG is down this year to about 55 I don't feel any real power...
  11. C

    K&n Air Filter Question

    I have been looking into getting the k&n air filter. I only do street riding. My question is would I need a pcv with just the air filter upgrade? Because I know that it is going to run leaner but do I really have to spend that much money for something that small? Also is it worth getting it...
  12. C

    Air box mod

    Hey I’m new to the forum and new to motorcycles in general, so I’m tying to learn everything I can. I keep seeing post about an air box mod. What exactly is it and what are the advantages?
  13. C

    Air filter cover

    Hi has anyone used the MNNTHBX air filter cover on a 2017 RC? Looks like it would fit but just wondering if it does.
  14. R

    2017 RC390 K&N Air filter

    Hey guys, I'm wondering if the 2017 RC390 air filter differs from the 2016 one? I'm looking for the K&N oem replacement one, but seems there's no one specifically for the 2017 one? Thanks in advance for your help!
  15. C

    Not so smooth criminal. Knock it off with those negative waves....

    Hi so I succumbed to temptation and put a BMC air filter in and popped a slip on Ixil muffler on my 2017 RC. It goes like the clappers but I now notice an increase in vibes through the bars at around 70km/he that wasn't there before. It actually doesn't feel that good compared to how smooth...
  16. djwille88

    Air box lid.

    Hey fellas, I just installed a K&N filter and noticed that the air box lid isn't flush with the base. I have the rear tabs inserted correctly, I'm guessing the lid should be flush?
  17. K

    Air cover

    Made a quick AL cover looks better than plastic
  18. S

    Temps rise once bike is shut off, how to bleed the radiator?

    Hey all,So,here's the problem, When I run the bike for 20+ kms at high rpms continuously lets say in the twisties.it runs all fine but once i turn off the key,and turn it back on, themp bar goes all the way upto 11-12 bars and shows high coolant temp,but once I start the bike and let it run for...
  19. mdabyo

    RC390 Race build

    Hey Guys starting off a race bike build and i have been scouring the site for a week or so now and still have lots of questions :) 1) Exhaust for more power and weight loss.. Currently thinking about the werkes GP, but am having a hard time finding dyno info anywhere for all the exhausts.. any...
  20. S

    Drops of oil coming from breather hose

    I noticed after my last ride that I had a couple of drops of oil on the clamp that holds the breather hose on the air box that comes from the valve cover. The hose attaches to what appears to be a small box attached next to and part of air box. Any ideas on a fix? This is the only area that...
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