I have one there and at 100 plus it does shake, one on the left side of my helmet, one behind the passenger seat and one right under the turn signal.
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2003 Yamaha R1 - CRG levers, Powers Race Railz, Puig wind screen, Proton Flushies, PC3, Yoshi r55 exhaust, graves velocity stacks and BMC race filter,spiegler ss lines, Rizoma grips and bar ends, ssr twist on gas cap and krypton 5000k HID's.
2003 Mercury Marauder - supercharged, Corbra exhast manifold, highstall TQ, 4.10 gear, SCT tune. 534 hp