Galfer Wave Disc Upgrade for the KTM 390 125 200 250 Duke
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- Опубліковано 14 лют 2019
- Upgrade of the stock KTM Duke 390 front brake disk rotor to the fully floating Galfer Wave disc for improved braking performance. A quick and simple upgrade.
The Galfer disc being installed is fully floating so it is able to expand as it gets hot, and the wave pattern improves cooling compared to stock so the brake disc doesn't get as hot, and cools down faster which means if your riding style is aggressive then you will benefit from upgrading your front disc.
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2017 KTM Duke 390 Parts List:
Magura X-Line Handlebar - Rok Bagoros Edition: bit.ly/2Dgs5Oa
Rear Sprocket 50 Teeth - Out of Stock. 56 Teeth: bit.ly/2KzTKiZ
O-Ring Chain 520 SRO6 120 Links: bit.ly/2ZcBAqH
Galfer Wave Front Disk DF940CW
KTM Powerparts Engine Cage
KTM Powerparts Fork Slider
KTM Powerparts Bar Ends: ebay.to/2Xcfv9U
R&G Paddock Stand Slider: ebay.to/2UgX1Dp
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Great video once again :D
Thanks Rok, always appreciated. Got some more parts coming so will need to start putting “not sponsored by” tags on soon 😂. Skäl. David
Performance upgrade & looks kool too. Glad your healing mate be back on the road in no time 👍🏻
Thanks Dave. I’m looking forward to testing it out. Hope you and the guys had a great day today. 👍 Skäl. David
Wahey. followed your guide and got my wavey front disc on my 2015 Duke 390. It's still 300mm but looks cool. I stuck on some rim stickers at the same time and the front end looks sooo much better. Have some new sintered disc pads but will have a crack at those separately. Thanks for the torque numbers - first time I've used a torque wrench! Next up is the wavey rear rotor and rim stickers. Cheers. Weather is Sydney is *finally* clearing up for a decent ride (rained every day during my 2 weeks Xmas break :-| )
Sounds great, well done! I've considered upgrading the rear disk but never managed to convince myself of it's worth - but I might go there if I do more supermoto style riding and actually put some heat into the rear disc! Have fun with the better weather - it's cold here and forecast for a week of rain, even if we were allowed out to ride! Skäl David
Nice video David!!
Be carful with your arm m8
All the best Garry
Thanks Garry. It’s so easy to forget and then you get a twinge and think 🤔 ah... Skäl. David.
Nicely done, David.
Thanks very much Edward. Much appreciated. Skäl. David
enjoy all your videos thanks for taking the time to make them...
Glad you like them! Thanks!
390 since 2017 have sintered pad in front from factory and organic at the back. so this rotor with sintered pas is just great combination.
Thanks Jay. It works really well so I’m very pleased with it. Skäl. David
Nice upgrade David, looks trick :)
Thanks Dave. Now I just need to be able to ride it, but static testing looks promising. So looking forward to being able to go on a run with a bunch of idiots. Skäl. David
Good job 👍 keep going 🔥
Thanks. Much appreciated. Skäl. David
Invest in a 3/8 drive breaker bar it'll save your ratchet,I've got a signet one and it's surprising how handy it is
Thanks, I agree. I’ve misplaced mine, much to my irritation and hence the ratchet abuse. Guess I need to buy a better one! Skäl. David
Hey fellow patient !! I love the little 390 it looks like a scream to ride..and was thrown by the 125 decal even though i know it's a 390 , must be old age or the medication 😉 hope you are ok David peace and love brother 👍🏻☮❤
Hope you are getting better now. It’s a scream indeed 😂. Small bikes can be just fun. Even I refer to it as a 125 sometimes 🤣🤣. Here is to your health 🍺. Skäl. David
Thanks for the detailed video. Is it required to upgrade both the disc rotors with the gulf one or motomaster ones? If anyone wants to change only the front one? Or we can settle with changing the front only? Is there any abs calibration mismatch can be felt if we keep the rear disc as stock? As front ones become more superior in terms of progressive feel? Please advise.
You only need to upgrade rotors if you are getting brake fade and you'll normally get that first on the front unless you do a lot of trail braking. Typically only stunt and track riders really need to upgrade the rotors on gen 2 bikes (going to larger rotors on the gen 1 bikes is a different story) but I tend to ride supermoto style on this bike, so upgrading the front works for me. The motormaster ones have better cooling abilities, so your braking will only be improved compared to overheated stock discs. Braking and progressive feel before the discs overheat is down to your choice of pads and master cylinder. You won't get abs calibration issues unless you are changing the abs rings from stock.
Ive done this stuff a hundred times, but still enjoyed watching your video!
Couple things I noticed:
That spacer is going into that rubber seal way too easily. Good idea to replace that while youre at it.
7:20 You should use a longer ratchet for that. Pulling slowly with a small lever deforms the allen head (risk of rounding it) instead of loosing the screw. (Thats why you had a hard time to get the allen key out after you loosened the screws.) Better use a big lever (long ratchet) instead to loosen the bolts quickly with more force. :-) Then its a good idea to replace these soft allen head bolts every time. If you completely round off the head next time, youre in trouble.
Dont grease threads, thatll cause you to overtorque it, because the reading on the torque wrench is not correct. Use loctite to protect the threads from corrosion.
Superb video tho! Good job! That galfer disc looks way better than the original one.
Thanks Chris. Ah the old grease or not grease debate. Even bike manufacturers have different opinions. Skäl. David
@@MotoMirius Manufacturers only suggest to grease bolts inside the engine since theres oil inside the threads anyway. So you grease these screws to get a consistent amount of friction.
Ive never seen any shop manual telling you to grease any other threads on a bike.
Hi David ,
I have one question, some people complaining in the web about the rattling noise with the fully floating disc rostor installed in their bike ,
I have a ktm duke 390 2022 model and I want to upgrade to the full floating disc rotor in the front and also want to try the floating disc rotors.
I don't like much noise from the front also.
Your suggestion on this :
Thanks for the great video 👍🏻👍🏻
Wouldn't an impact wrench, or to be rather more gentle, an impact driver be more suitable to unscrew these disc bolts ?
You can use an impact driver. For me it's easier just to grab a socket and bar from the already open drawer.
I have scanned the internet and cannot come up with a galfer front disc for the 2017> 390 duke? I am guessing this must be as the
Mine is a pre 2017 disc, but Galfer make a disc for the post 2017 bikes - Part #: DF940CW which is the part number I've listed in the description for the video.
I have a 250 duke, doe I have to put radial spacers on the caliper? Because my disc is 300mm and I guess that one is 320mm
Yes, if you currently have a smaller disk, you will need spacers and longer bolts to move it out to the correct place.
Hey David! Could you please link the upgraded wheel sliders you will install on the bike instead of the powerparts sliders? Thanks a lot!
Hi Márk. I didn't like the powerparts sliders because they are too short, so I installed these bagorosperformance.com/front-foot-pegs?search=&make_id=16&model_id=8&engine_id=6&year_id=38. Skäl David
@@MotoMirius Thanks a lot!
500f to get red loctite loose. Get each bolt hot as quick as you can.
@moto mirius, was the weight difference noticeable between the two discs? Will rotating mass play a role in performance??
There isn’t a big weight difference and it isn’t something you’ll notice when riding. What you will always notice is improvement in braking. If you are interested in performance then you will want to be able to stop faster and later. Skäl. David
@@MotoMirius thank you for the reply.. I currently have the stock 320mm rotor. Assuming they have relatively similar performance for a weekend warrior.
If you can't brake fast, any weekend warrior is going to be slower than the other weekend warriors who maybe can't accelerate as quick but can brake later and heavier into the corners. If you rarely brake, you don't need to upgrade, if you hit a lot of corners these don't fade as quickly. If your brakes aren't fading you aren't a weekend warrior ;) Skäl David
Woooow excellent.
Thanks. Always appreciated. Skäl. David
Please what's the biggest, fattest tyres that can correctly fit on a KTM Duke 390 without any needs for mods done on the suspension?
The 390 uses an unusual wheel size so your choice is very limited. I can't answer your question as I have never had any interest in losing the handling abilities of the bike. Skäl David
ideally the racers down size to the 140 rear tyre, if your looking for a "fat" tyre your fit a 160 on there but your lose the handling, hence why the proper riders looking for best track times down size to the 140 most of the time.
Can 1290 super duke alloy wheels fit in duke 390 ???
I would be very surprised. The 1290 is a bigger and heavier bike. You would probably need a wider swinging arm specially modified. Skäl David
Moto Mirius thanq so much , but where i can buy that alloy wheels and wider swinging arms ...
Prabhjot Singh you would need to find an engineer who could make it for you. It would be cheaper to buy a bigger bike if that is what you want.
Moto Mirius hmmm, thanks 😊
I have seen the 1290 rear wheel conversion with single sided swinging arm. But unless you know someone who can do it for you it isn’t just an easy swap.
Where can I get the disc from please as everywhere I find only goes up to 2016
You need to search for the DF940CW I have a 2016 disk on my 2017.
@@MotoMirius OK thank u I will have a look
Does the front brake rotor cross over to any other bikes?
This is the list from Moto-Master (I just happen to have this website open) where the rotors are the same so will be the same for Galfer:
HUSQVARNA Svartpilen 125 (Cast wheels) 2021-and up
HUSQVARNA Svartpilen 200 (Cast wheels) 2020-and up
HUSQVARNA Svartpilen 250 (Cast wheels) 2020-and up
HUSQVARNA Svartpilen 401 (Cast wheels) 2018-and up
HUSQVARNA Vitpilen 401 (Cast wheels) 2018-and up
KTM 125 Duke 2021
KTM 390 Adventure 2020-2021
KTM 390 Duke 2017-2023
KTM RC 390 2017-2021
no spacer and longer bolts for the caliber?
It's the same fitting as the existing disk. You only need an adapter if you have an older bike with the smaller disk.
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Can this be done with the indian version of rc125
I believe that there are different versions of the RC so it depends. However, that disk is actually intended for the Gen 1 Dukes, but if you have a smaller disk currently you will need a spacer to move your brake caliper out so it fits on the larger disk. Skäl. David
@@MotoMirius in india the frame and body of rc 125 is taken from RC 390...so that the dimensions of the bikes are same although there is a difference of weight...so can I opt For disc plate made for RC 390 for my baby rc
I can’t speak for bikes in India. But the 2019 RC390 uses the same brake disc as the 2019 RC125. You can also check this by looking at the brake manufacturers website.
Can we install dual disc on front tyre of duke 200??
While I won’t say it’s impossible, the primary issue will be the lack of mounts on the right fork leg. Skäl. David
Moto Mirius :is it better to change the whole wheel ?which is compitable to the dual disc !
You are likely to need a new wheel, front fork and master cylinder as well as the new disks and brakes. I would suggest first upgrading the existing brake to something more aggressive such as the MotoMaster Flame disc with sintered pads. Is there a reason why you think you need so much braking power on the front?
@Moto Mirius , I want more break system as well as sporty look
Yes, but why do you need more break system. What are you doing that needs more break system? If it’s just for looks then that is a very expensive cosmetic upgrade. The normal approach is to swap a complete front end from a different bike.
What is the internal diameter of your front brake
You mean the disc? The same as the stock one - which is what you'd expect from a rotor designed to replace the stock disc and the same as the powerparts one.
@@MotoMirius yes as I’m having trouble getting one for my bike as in someone’s changed the front wheel on the bike before I got it as the internal diameter where the bolt holes are is 90mm but still 300mm on the external diameter
@@thomaswilliamfirby180 Do you know what the wheel was off?
@@MotoMirius no I don’t I phoned AMS motorcycles to ask as that is where the bike was purchased from by my insurance after mine was written off . But they just passed the buck
@@thomaswilliamfirby180 Must be some clues on the wheel - there will normally be a logo somewhere. Is it KTM?
How much mm is That disk...?
The same as stock. Disk upgrades improve cooling - the dimensions remain the same to ensure that they fit the stock setup. Skäl David
Mine 2019 Dominar its have same ktm disk size is 320mm so it will be suitable..?
As I say, it replaces the stock 320mm KTM disc. If you want to be sure I recommend that you check the Galfer website and if necessary ask them.
KTM for some reason have a mixture of metric and imperial nuts, bolts and Alan screws. By the look of the flex in removing the bolts, I’m pretty sure you rounded the caps screws when you fought the locktite
Purely metric but since these are Indian made they use some low quality fastenings which aren't exactly accurately made or made out of of appropriate quality steel. As a rule of thumb it's always best to replace the fastenings on these bikes. Skäl David
Moto Mirius assembled in India, the Philippines and Argentina. All the parts are are actually manufactured by KTM in Austria
@@shaneparfitt77 Sadly that isn't true for these bikes, and if you had ever bought mechanical parts for the bike you will see that they are marked 'made in India.' KTM have already had to intervene at the Indian factory on at least one occasion that I'm aware of to correct quality control issues in engine components
Moto Mirius 100% correct, that is why some of the 390 Dukes have a mixture of imperial and metric bits. Bajaj India tried to save some money and sourced some of their own assembly parts and screwed up, hence why KTM Austria had to step in. But they never recalled the ones already assembled. At least thats the version of the story from the KTM Master craftsman mechanic that I take my bike to for all its services
@@shaneparfitt77 I would agree with that - except I suspect a misunderstanding on the imperial part - imperial tools fit some fasteners better than metric - that is true because of poor manufacturing, but the threads are still metric which wouldn't be true if it were an imperial fastener.
Never ever spray paint or decals with brake cleaner! I bet there is some resulting damage.
Cheers for the concern Scott. In this case you’d be losing that bet. Skäl. David