You have a 2017 RT-S? With these type handlebars? If so, lots of RAM mount options:
Center bolt-on mount, don't remember where it came from.
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Ratchet-type X-RAM mount, just barely fits.
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Hose-clamp type RAM mount. Don't tighten the hose clamp too much as it can squeeze the throttle and it won't return automatically!
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JT's dash mount, you can fill it up with 5 RAM balls.
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I don't really see a need to go cutting up the handlebar covers.