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I'm a bit too late to the party, but still would like to share my findings as of today. As per the user manual, the compression ratio for KTM 390 is 12.88:1 To convert this to PSI (pounds per square inch), the compression ratio has to be multiplied with atmospheric pressure. The atmospheric...

Hello everyone and hope everyone has a good year ahead. Can someone please assist me with expanding the color code on my Indian motorcycle registration card. Thank you in advance.

Hahahahaha.... What is the solution... User Last seen Oct 3, 2018 hahahahahahaha

Hi. Did you try any of these steps, mentioned by @ReidMcT https://www.rc390-forum.com/threads/glitchy-abs.3701/post-32730

I'm going to: NKS Sport Bikers Sdn, Bhd tomorrow

Hello fellow members. I've arrived in Malaysia, Kuala Lumpur to be exact. and planning to travel across the island. I wanted some help in learning about bike shops, bike parts, places to visit etc. I do have 3 KTM bikes, so any help/ suggestions would be appreciated. Regards.

Hi all, I'm trying to completely disable the PowerTronic rev extender. I contacted RD support, and they suggested, using the R-tune app, within the config tab, set the Standalone Mode Trigger RPM and Limiter at RPM to 13000 After I set that, while riding on 5th gear, when I went 100% to shift...

@blipNshift

@albatross_nlv Thanks for sharing your experience with this bike and brand and sorry to hear about it. But if you live in America, and if you want to ride this bike on the street, any dumb person would know that they should not go with a single cylinder, considering the speeds and roads...

@Admin I have a humble request to please ask the owner of the thread to remove my country's name from the thread, as it is found to be offensive and disrespectful. If there is any problem with a product or brand, please highlight the name of the brand or that product. There is no need to talk...

All I'm saying here is don't quote India. Rather this is a KTM forum, and KTM made products, so lets stick with the brand and the manufacturer. Don't disrespect the country.

If you don't like the welds, then don't buy Indian made bikes then... Your are not forced to buy them. If you don't like something then why buy it and disrespect the country? Welds are not made buy the country. It's by the manufacturers and their employees. Also FYI, it goes through quality...

@kostean I understand welding is an issue, and this is a small bike. High revs can cause damage. But why have a bigoted title? Why specifically quote "Indian welding quality"? That's disrespect man! You could've just said "Bad welding quality"

Hey Bro, May be I can assist a bit. Considering the fact that after you received your bike, you rode it, and it worked fine, you only experienced rough idling after riding it on highway speeds. Also, from what you mentioned, your bike has not stalled, and only idles rough. I doubt it is the...

@KTMasean I've sent you a direct message. Cheers

I'd rather not put a positive power source to the grey/yellow stock wire (power source) for the fan. Two reasons. - There would be a short circuit when the actual fan turns on at 96/97 degrees Celsius - Just leave the stock circuit as is, as it is connected to the ECU I'd rather remove the stock...

Awesome news as of right now!! The fan finally actuated. Since all connections were positive and since the fan motor was also spinning, I had suspected nothing less but water seepage in in the dash that might be causing failures. Here is what I did: I simply opened the console and let the bike...

@Formula390 So I spoke to an acquaintance who works that the KTM service center, and he suggested, from his experience, that it might be the water that must've sipped in to the dashboard console that might be causing malfunction. My dashboard is is screwed from the last time I checked it. The...

@Formula390 Link to my YouTube video

@Formula390 Thanks a lot of giving me the hint. I was able to search and download a service manual for the 390. This allowed me to look into this more. Firstly, the radiator fan relay was the third one as shown in the image attached. Secondly, I was able to figure out the wiring diagram from...