Originally Posted by KSBEERHUNTER
Throttle bodies don't knock. They might click a little. Twist the throttle ever so slightly and you can hear the change in the clicking sound. My guess is that what you are hearing is from crankshaft end play. Loudest at idle under no load. Goes away or can't be heard while riding. Probably your knock is worse after engine is at operating temp. Mine sounds bad just before I shut it down after a ride. Have 162,000 miles on it. I quit fearing sounds from it a long time ago.
That's it. Exactly. Awesome. Thx.