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Noise!!!! 82 g/k

  • Thread starter Thread starter 5150/gs
  • Start date Start date
5

5150/gs

Guest
I always come looking for verification, sometimes my diagnosis is wrong but still.
Seems I'm burning oil, bout a quart every 150 miles, that doesn't bother me but this engine noise does, I checked the clutch, stator area, starter mechanisms, and below 1300 rpm I have a clanking kind of a knock noise now, when I open the oil cap i can hear what sounds like scraping, no marks on the clutch of any kind it all looks good.
Everything is tight!!
My G/K used to be happy idling at 1k rpm, now its noisy as hell, I took a screw driver n listened, the top end is quiet but the noise radiates to the clutch area and the stator area.
If it was a rod nock or a bearing knock, wouldn't is do it at all rpms?
Cause if the rpms are up there is no noise but even at 1300 rpm idle when I blip it , I can hear the noise faintly.
Glad I have an extra engine as this is my only transpo right now. I will ride it as little as possible but will take any ideas and check into them!!
 
Before you go jumping in feet first pull your clutch cover and your clutch . Then remove the clutch basket, on the back side of the basket there are 6 springs check and see if they are loose. If they are you need to either rebuild or get another basket. I am going through that exact same problem right now. Mine were so loose I could actually move the big gear back and forth by hand and make it rattle
 
If the valves are out of adjustment/carbs out of sync it can make some clatter. New here, and to GS's, but all of my CB's would behave this way.
 
3 of the springs were loose I repaired them, tightened em back up. It's coming from the bottom end tho, no clue, I'm gonna ride it while I do the valves on my spare enginge, but I want to pop the top and do the seals too, because, hey, it's old n they dry out, I think that's why this bike is burning oil because the compression test proves great.
 
How did you tighten them back up? If you just tried to spread them with a screw driver or pry bar it won't last
 
Yah I read they wont last long like that, doing it that way, but a momentary just to rule it out is cool, but it didn't work, still noisy.
 
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