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**s1d** · 09-25-2016, 09:20 PM

Re: KTM RC 390 Ownership Experience

Originally posted by ananthu View Post

I experienced this during the last monsoon and mine was fixed by leaving the bike under the sun once.

Even i was going to get a can of wd40 and spray it into the switchgear, but i just wanted to see what the svc does and maybe get a new console

under warranty.
As long (another 3 weeks to go) as it's in warranty i don't mind running to the svc (since its around the corner for me) and it helps me learn something by watching them and they are nice enough to let me hang around and don't charge for such things. It's helped me learn how to correctly remove and put back stuff on the bike, and not mention a visit to the svc for me is like a kid going into a toy store

**nilesh9777** · 09-26-2016, 12:04 PM

Re: KTM RC 390 Ownership Experience

Originally posted by Rahul.g View Post

Bike breathes a lil easier now, as I use powertronic ecu it takes time to heat.
I mean it does heat up but takes a lot more time and bumper to bumper traffic to get to the point where stock bikes goes eaisly.
I get a bit more power but on a stock bike it wont do much good.

Thanks.
Actually bike is about to complete 2 years and I am thinking to change air filter to K & N, that will save on air filter cost for next 6-8 years and also bike will be more smooth.
but had some doubts.

1. I think I will keep RC for next 6-8 years so wanted to know if K & n filter will harm engine in long run?

2. Driving in moderate to heavy rain with K & N, will cause any problem?

3. Where can I get the K & N filter wrap that can be used for our dusty environment along with air filter?

I am positive about K & N, but worried little as I am thinking to keep bike for 6-8 years more.

mods, [MENTION=39214]B7ACKTHORN[/MENTION] can you clear on some doubts??

**Pawan Kajla** · 09-26-2016, 12:16 PM

Re: KTM RC 390 Ownership Experience

Originally posted by Sird View Post

Adon-P
Green little bottle, 25ml : 45₹ ??
(I lost the pic)

I've been using it from 2 refills, but notice yet, still gonna observe.

I was already not in mood for Extra-Premium, thanks for clearing. [emoji111]️️

Bro... See ur pm

**s1d** · 09-26-2016, 12:53 PM

Re: KTM RC 390 Ownership Experience

Originally posted by nilesh9777 View Post

Thanks.
Actually bike is about to complete 2 years and I am thinking to change air filter to K & N, that will save on air filter cost for next 6-8 years and also bike will be more smooth.
but had some doubts.

1. I think I will keep RC for next 6-8 years so wanted to know if K & n filter will harm engine in long run?

2. Driving in moderate to heavy rain with K & N, will cause any problem?

3. Where can I get the K & N filter wrap that can be used for our dusty environment along with air filter?

I am positive about K & N, but worried little as I am thinking to keep bike for 6-8 years more.

Save cost??
How many kms do you do in a year? 12k? 20k?
Assuming you do 12k a year, you will be spending on two stock air filters which cost around 300rs. So that's 600rs a year.
Over 8 years that's 4800rs. And you have a peace of mind that the filter is new at every change.
Now how much does the K&N cost ?
Do the math vs peace of mind (the math that k&n advertises, doesn't really apply to desi bikes considering their already low cost of ownership compared to a bike in the USA)
Now coming to other aspects of K&N, what is the point in using a wrap over a K&N? You are defeating the whole purpose of plonking in a K&N and probably restricting air flow.
Apart from the tall claims, I see no reason (apart from the sound and if you plan other mods such as ecu remap etc..) to switch to a K&N on a bike like the 390 which is already quick enough in its stock avatar and considering you want to keep it for around 8 years.

If you are still bent on plonking a K&N, you can go ahead.. after-all its your money, your ride

.

**nilesh9777** · 09-26-2016, 03:59 PM

Re: KTM RC 390 Ownership Experience

Originally posted by s1d View Post

Save cost??
How many kms do you do in a year? 12k? 20k?
Assuming you do 12k a year, you will be spending on two stock air filters which cost around 300rs. So that's 600rs a year.
Over 8 years that's 4800rs. And you have a peace of mind that the filter is new at every change.
Now how much does the K&N cost ?
Do the math vs peace of mind (the math that k&n advertises, doesn't really apply to desi bikes considering their already low cost of ownership compared to a bike in the USA)
Now coming to other aspects of K&N, what is the point in using a wrap over a K&N? You are defeating the whole purpose of plonking in a K&N and probably restricting air flow.
Apart from the tall claims, I see no reason (apart from the sound and if you plan other mods such as ecu remap etc..) to switch to a K&N on a bike like the 390 which is already quick enough in its stock avatar and considering you want to keep it for around 8 years.

If you are still bent on plonking a K&N, you can go ahead.. after-all its your money, your ride

.

Thanks for inputs. Yes planning to keep RC for few more years so taking all aspects into cosideration before putting K & N .

**prateek2210** · 09-26-2016, 04:56 PM

Re: KTM RC 390 Ownership Experience

K&N also known as lawn mower filter by other countries on RC390. You my friend need to do serious homework on how air filter works on single cylinder bikes

**B7ACKTHORN** · 09-26-2016, 05:56 PM

Re: KTM RC 390 Ownership Experience

Originally posted by nilesh9777 View Post

Thanks.

mods, @B7ACKTHORN can you clear on some doubts??

Though folks have chimed in really well. Just my two cents piece of advice from my side is, don't waste your money on a K&N. The stock bikes are horribly lean already, you don't want an air filter that is FF and lean the mixture even, that's one. Unless you have a FFE to compensate for the the extra air that's coming in, you're only going to make the bike run hotter and with an already hot putter, reliability only goes northbound.

Save that money get a piggyback ECU, in the future, your bike will thank you for that, plus keeping in mind your ownership years.

Cheers!
VJ

**AngadV** · 09-26-2016, 07:51 PM

Re: KTM RC 390 Ownership Experience

Originally posted by B7ACKTHORN View Post

Though folks have chimed in really well. Just my two cents piece of advice from my side is, don't waste your money on a K&N. The stock bikes are horribly lean already, you don't want an air filter that is FF and lean the mixture even, that's one. Unless you have a FFE to compensate for the the extra air that's coming in, you're only going to make the bike run hotter and with an already hot putter, reliability only goes northbound.

Save that money get a piggyback ECU, in the future, your bike will thank you for that, plus keeping in mind your ownership years.

Cheers!
VJ

I don't really know much about this, so if I may just ask, I've seen a general opinion that any ECU mapping, custom parts like air filters etc etc is all done to improve performance and power and so on, always at the cost of engine life. Is that true or just an assumption? I've already had a lot of minor niggles in just one year, would love to keep such options open in the near future, so would just like to know your opinions on this
Thanks!

**nilesh9777** · 09-26-2016, 08:10 PM

Re: KTM RC 390 Ownership Experience

Originally posted by B7ACKTHORN View Post

Unless you have a FFE to compensate for the the extra air that's coming in, you're only going to make the bike run hotter and with an already hot putter, reliability only goes northbound.

Cheers!
VJ

Thanks VJ for alerting in time. That was the point of my worry.

**motodreams** · 09-26-2016, 08:28 PM

Re: KTM RC 390 Ownership Experience

From what I know, the ktm lambda sensors are 'narrow band sensors' which are not capable of compensating for the FF air filter and will run continue running it lean harming the engine at prolonged high revs

**bikersdream** · 09-26-2016, 08:58 PM

Re: KTM RC 390 Ownership Experience

I think you can run with k & n without much problem for lesser period. But it will harm Engine in longer run.
More air means less filtration and more dust.

**B7ACKTHORN** · 09-27-2016, 07:12 PM

Re: KTM RC 390 Ownership Experience

Originally posted by AngadV View Post

I don't really know much about this, so if I may just ask, I've seen a general opinion that any ECU mapping, custom parts like air filters etc etc is all done to improve performance and power and so on, always at the cost of engine life. Is that true or just an assumption? I've already had a lot of minor niggles in just one year, would love to keep such options open in the near future, so would just like to know your opinions on this
Thanks!

A very good question. It's kind of a mixed bag actually. A modder who knows what he is doing, be it ECU tuning or overall upgradation of the bike, you can extract the max out of a given engine. Improper tuning, or pseudo performance upgradations, this is what harms the bike in the long run. When the work is done by a professional, say, for example, if a guy makes ECU boxes who knows what he is doing would suggest, what airfilter to use, does it require a FFE and what maps he's burned inside the box, there are so many things things that come into play to get every juice out of that engine. Fine tuning, the devil is in the details.

Let me reiterate, humbly, I ain't no expert in ECU tuning and maps, but I very well know what a badly specced setup can do to ones engine in the long run. The Duke has tremendous mod capability, and the engine can handle the stress, but only if he/she knows what goes inside, what it does, and WHY it does what it does, only then you'll know what you really require from the motorcycle.

Cheers!
VJ

**Rahul.g** · 09-28-2016, 12:14 PM

Re: KTM RC 390 Ownership Experience

Originally posted by B7ACKTHORN View Post

A very good question. It's kind of a mixed bag actually. A modder who knows what he is doing, be it ECU tuning or overall upgradation of the bike, you can extract the max out of a given engine. Improper tuning, or pseudo performance upgradations, this is what harms the bike in the long run. When the work is done by a professional, say, for example, if a guy makes ECU boxes who knows what he is doing would suggest, what airfilter to use, does it require a FFE and what maps he's burned inside the box, there are so many things things that come into play to get every juice out of that engine. Fine tuning, the devil is in the details.

Let me reiterate, humbly, I ain't no expert in ECU tuning and maps, but I very well know what a badly specced setup can do to ones engine in the long run. The Duke has tremendous mod capability, and the engine can handle the stress, but only if he/she knows what goes inside, what it does, and WHY it does what it does, only then you'll know what you really require from the motorcycle.

Cheers!
VJ

That is why I dont suggest everybody to get the k & n filter, I got one on mine along with a piggyback ecu.
I bought the ecu first and tried few maps that suits my bike but I always felt the bike choked post 8k rpm with the remap so I got the k & n filter and it was sorted out and in no way my bike overheats, It runs fine.
I even checked the plug, there was no sign of running lean.

Well all of this comes at cost too, my bike requires more attention now I get the oil(motul 300v 15w50)changed at 2500 - 3000 kms, I get the air filter cleaned every 2000 kms and injector gets cleaned every 5000 - 6000 kms.

But in the end its all worth it, the power generated and the way it is delivered is just too much fun and worth it all.

**SpeedyKol** · 09-30-2016, 08:18 AM

Re: KTM RC 390 Ownership Experience

Everytime I give blip the throttle in neutral, there is a 'phut' sound in the end. What might be the problem?

**bikersdream** · 09-30-2016, 08:27 AM

Re: KTM RC 390 Ownership Experience

Originally posted by SpeedyKol View Post

Everytime I give blip the throttle in neutral, there is a 'phut' sound in the end. What might be the problem?

If its recent then mostly Bad patrol.

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