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KTM Duke 390 - Ownership Reviews and Experiences

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  • Gluk
    replied
    Re: KTM Duke 390 - Ownership Reviews and Experiences

    Hello every one
    Could any help me?
    What the correct position of oil/coolant seals in water pump?
    In picture
    1) Left side: coolant---{{---oil = seals are duplicated ( --- the motor shaft , { - the seals position)
    2) Center: coolant ---{}--- oil = they look at each other
    3) Right coolant---}{---oil = they stand open side inside protected cavities

    I think in left side the coolant gets into the oil. But what the correct - 2 or 3?

    Leave a comment:


  • B7ACKTHORN
    replied
    Re: KTM Duke 390 - Ownership Reviews and Experiences

    Originally posted by raju22 View Post
    Yes, looks like they've changed something in the engine head(extra coolant slots?), hence the new gasket. I've not been able to find any engine disassembly video for MY18 Dukes yet. I'll stick to the recommended gasket. Can I reuse the old gasket. It's still in good shape. No visible damage.
    Don't use the old gasket Raju. Though a gasket can seem fine on the outside, structurally it could have taken a beating, right from the thickness of the coating on the leaves. I'd strongly recommend you replace the gasket. Make sure you use Loctite wherever necessary.

    Cheers!
    VJ

    Leave a comment:


  • raju22
    replied
    Re: KTM Duke 390 - Ownership Reviews and Experiences

    Originally posted by s1d View Post
    the head-gasket part nos. are as you mentioned.. i checked the spares catalogue. they might be interchangeable, but why the risk when clear information isn't available. better get hold of the correct part for the my13-my16 (these use the same gasket).
    It's been almost a month now and they're not able to source the MY13 gasket. They've got a bunch of the new ones. Hence I wondered if the new ones could be used or not.

    Originally posted by kiran2508 View Post
    I went through the parts catalouge of 2017 D390 (MY17-present) and all other Duke/RC 390 parts list, and all of them have the exact same head gasket part number as from the 2013 D390(MY13-MY16)/2017 RC390(MY15-present) i.e. JY511070 which is on the right side of your attached pic, not sure where you found the new part number, can you please verify the source?
    The guy at the service center checked the parts manual and confirmed that the part no. is different for MY18 and the other dukes . Here's the pic of the part no. on the cover.
    Click image for larger version

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    Originally posted by s1d View Post
    not sure if anything has changed in MY18. bajaj is know to improve/add/modify parts every year so i wont be surprised if the part no. is different for MY18 or MY19.
    Originally posted by B7ACKTHORN View Post
    Hi Raju.

    The stator coil for the 2015 and the newer 2017-2018 are different and so are a few nitty gritty components inside the engine. KTM, being a Bajaj over time, does keep on improvising parts and components et al. The two holes on the gasket can be for oil galleries. I'd suggest you stick to the preferred gasket for your model. As the hole in the newer gasket where it's not meant for the older Dukes can in fact ruin the gasket and cause coolant leak and worse blown gasket which can kill compression. Changing the stator to the newer 2018 one can be done by changing the rotor as you rightly said, and also the magneto cover is required to be changed if IIRC.
    VJ
    Yes, looks like they've changed something in the engine head(extra coolant slots?), hence the new gasket. I've not been able to find any engine disassembly video for MY18 Dukes yet. I'll stick to the recommended gasket. Can I reuse the old gasket. It's still in good shape. No visible damage.

    Leave a comment:


  • B7ACKTHORN
    replied
    Re: KTM Duke 390 - Ownership Reviews and Experiences

    Originally posted by raju22 View Post
    Ridges are present on the cam lobes but they're very very faint. I'll check them every 5000 km just to be sure.
    I've fixed new piston rings. Was waiting for a new head gasket but there's no stock. It's been almost a month now. They have a newer version but they're not clear if it can be used in MY13 Dukes. The latest ones have a different no. too. There are 2 extra holes on the gasket. Can someone please confirm if the latest gasket can be used on older dukes? The Mfg date for this gasket is April 18. Similar issue with the stator coil. They had trouble sourcing the older model and tried to convince me to use the newer one by changing the rotor. Got the MY13 stator coil after 2 weeks. Latest Gasket on the left. Old version on the right.
    Hi Raju.

    The stator coil for the 2015 and the newer 2017-2018 are different and so are a few nitty gritty components inside the engine. KTM, being a Bajaj over time, does keep on improvising parts and components et al. The two holes on the gasket can be for oil galleries. I'd suggest you stick to the preferred gasket for your model. As the hole in the newer gasket where it's not meant for the older Dukes can in fact ruin the gasket and cause coolant leak and worse blown gasket which can kill compression. Changing the stator to the newer 2018 one can be done by changing the rotor as you rightly said, and also the magneto cover is required to be changed if IIRC.

    Originally posted by raju22 View Post
    I've fixed all the valves with new seals after lapping with fine compound. Did a basic leak test by pouring petrol down both the ports and found no visible leaks. I'll show it to a professional if time permits. I guess I fell for the marketing bs as I already bought two cans of 300v² a month ago. No option but to use it. Will switch over to 7100 later. Last thing I want is an oil leak now. I've read that the decompression lever on the exhaust cam affects the values. I'll run a leak down test on the bench first then a compression test on the bike.
    Yes, the decompression valves will reduce the compression, and that's the compression to be taken into account. Unfortunately, the exact PSI isn't mentioned in the manual. The petrol leak down test is an excellent test to check for leaky valves, if they stay put, the valves are absolutely fine. Keep your observations posted.

    Originally posted by Viswar4 View Post
    Need some opinion i currently own a suzuki gixxer and am planning to upgrade. I have the budget for the duke 390 but coming from a 155cc bike will it be too much to handle? My usage will be like 70% daily commute and 30% touring. Is this bike good for that and how is the pillion comfort?.
    I am not worried about mileage/ownership cost etc.
    To add to what members have mentioned, pillion comfort isn't that great, and okay-ish for the most part. If you're mainly going to use it for city commutes, look for a cheaper alternate such as the D200 or the Apaches and FZ250s, they are cheap, have enough juice and comparatively frugal.

    Cheers!
    VJ

    Leave a comment:


  • Ashwiin Napster
    replied
    Re: KTM Duke 390 - Ownership Reviews and Experiences

    Originally posted by Viswar4 View Post
    Need some opinion i currently own a suzuki gixxer and am planning to upgrade. I have the budget for the duke 390 but coming from a 155cc bike will it be too much to handle? My usage will be like 70% daily commute and 30% touring. Is this bike good for that and how is the pillion comfort?.
    I am not worried about mileage/ownership cost etc.
    Not too much to handle if you know where to twist your wrist and where not to. D390 can be used for commutes but you have to bear with the heat initially in B2B traffic and isn't really mileage friendly. Pillion comfort isn't that great but again if it irks you at a longer interval, get an aftermarket gel seat or get some extra cushioning added to your existing seat. Since you're not worried about mileage/ownership cost, it should be a good upgrade. But ride responsibly, it will throw you surprises, especially when one is upgrading from a 150cc'ish kinda bikes. But in time, you'll get used to it.

    Leave a comment:

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