Join Date: Apr 2014
Location: Central MA, USA
Mentioned: 2 Post(s)
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I have never heard any knocking. The transmission has an audible click when it shifts, but other than this, I can't say I've had any odd sounds.
2015 NM4. took delivery on Sept 13, 2014
Mods: homemade bracket for topcase, modified NC700S center stand, rear brake at left hand using Silver Wing master cylinder, Amps Rugged Mount 12v GPS charger/mount, USB power at handlebars, Hot Grips heated grips, Clearwater Glenda LED driving lights, SAE power port, Mo-Door hidden garage opener, Custom seat foam and gel pad with hot weather top pad.