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KTM Duke 390 - Ownership Reviews and Experiences

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  • s1d
    replied
    Re: KTM Duke 390 - Ownership Reviews and Experiences

    Originally posted by raju22 View Post
    Thanks for the heads up VJ. I'll wait for the new gasket. The manual doesn't state any sealant for the head gasket and when I opened the engine there was no sealant residue on the head gasket either. The service manual recommends loctite 5910 for other gaskets but it's not available anywhere. So I've used Anabond 666T Max RTV silicone gasket maker on the paper gaskets.
    NEVER use any sealant on a head gasket.
    Loctite is a company that specializes in adhesives, sealants etc.. and folks here when referring to loctite generally refer to the thread locker compound that is used on the bolt threads (so they don't get loose due to vibrations).. you might have noticed some bolts having a blue or red coating on them (this is the thread locker stuff).
    you are ok using a bit of rtv sealant on the paper gaskets like for the engine cases and also a bit on the valve cover gasket (especially at the area of the gasket that has the round rubber part --O--O-- .. but never apply any sort of stuff on the head gasket.

    Leave a comment:


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

    Originally posted by B7ACKTHORN View Post
    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
    Thanks for the heads up VJ. I'll wait for the new gasket. The manual doesn't state any sealant for the head gasket and when I opened the engine there was no sealant residue on the head gasket either. The service manual recommends loctite 5910 for other gaskets but it's not available anywhere. So I've used Anabond 666T Max RTV silicone gasket maker on the paper gaskets.

    Originally posted by Gluk View Post
    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?
    Hi. I just checked the service manual and it says to install the seals with the open side facing inward. So from what I can see, you put one seal ring(3) from back and the other seal ring(2) from front. So your second diagram/point is the correct one as per the manual. Experts, please correct me if I'm wrong. Here's the manual pic.

    Click image for larger version

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    Here's an interesting video about the water pump seals: https://youtu.be/1El7Ww2wSFs
    Last edited by raju22; 01-26-2019, 01:42 PM.

    Leave a comment:


  • 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:

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