Originally Posted by Quint
Thanks Bruce, Reg and Ray
I appreciate the comments, and I am about to go through the little blue sonbitch with a fine tooth comb. I'll start with the exhaust muffler and headers, and work my way through the lower cowl and fairing, until I get through the entire fairing. If the buzz is still present, I think I'll take it to Irv Seever in CA who is generally respected at doing a quality service job.
The overall smoothness is so good that it's a great shame to have this annoying buzz when accelerating and decelerating around the 2,000 rpm range. Overall, it feels like such a quality piece of engineering and precision machinery that it seems like a waste not having it run right.
I'll let you know whether I nail the little bugger...
I'm doing something similar on my '97 KRS after I rebuilt it. But my list needs more than a screwdriver:
Exhaust mount at rear: In contact with Givi rack mount to frame (fixed).
Exhaust header bolts all tight.
Oil cooler pipes: Some vibes still get carried up the steel pipes, despite the 'flexibles' at each end: Slipped a length of car heater hose over one - an improvement.
Check around all water hoses to make sure no clips are in contact with plastics, check routing of pump hose is not in contact with plastic.
Check underbelly cover is 'floating' on the 2 mounts and the mounts haven't dropped off, putting the cover in hard contact with the motor.
Check the rubber stops for the stand are still there and also the stand isn't in contact with the muffler can when the bike is loaded and ridden.
Bottom ABS engine cover front mount bracket touching radiator: Checked, close but ok.
Both front engine mounts checked with stethoscope: Right side OK, left side suspect. New mounts going in.
Big black wires from starter and alternator: Check routing and not in contact with frame.
Clutch balance: The oem paint marks don't put the clutch in static balance on my first attempt. Better balancer under construction. This is where I think my problem is - Fun job!
Take all the plastics off first and ride the bike naked. That lets you know if there's a 'plastic to motor couple'. If there is, more digging is needed. Mechanics stethoscope is quite useful to poke around the mounts with, make sure the bolts are tight.
There may be some more I've missed, but these will keep you busy. Good luck.
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