Big Bore Kit - KTM Duke 390 Forum
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post #1 of 3 Old 11-26-2019, 06:21 AM Thread Starter
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Big Bore Kit

I have done some searching around but I cannot find a Big Bore Kit for the Duke/RC 390 anywhere which blows my mind as these bikes are sold in huge numbers all around the world. I'd think that whoever makes a decent big bore kit would be on to a good thing. I'd love to have a Duke 450!

Perhaps I have not been looking in the right places; does anyone know of any big bore kits for the 390?
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post #2 of 3 Old 11-26-2019, 04:05 PM
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Chad from KTM Performance was doing it to RC390 that is the same engine of our Duke.

I donīt know if gave up but you can contact him easily through telephone or email.

He made a performance kit but I do not have reference of it to use in our Duke in a day by day experiences.

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post #3 of 3 Old Today, 01:45 PM
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