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Old 04-14-2010, 05:32 PM   #1
cleatis t OP
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Bluhduh Vibration in 1200gsa

My 2006 GSA has developed a fine vibration . It seems to be in the engine at all rpms. If you run it up to around 60 mph and pull in the clutch and let off the gas it goes away. With the clutch pulled in and run the rpms up the vibration is there. I rebalanced the tires and they were right on. You feel it more in the footpegs and less in handle bars. Any ideas.
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Old 04-14-2010, 08:45 PM   #2
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Quote:
Originally Posted by cleatis t
My 2006 GSA has developed a fine vibration . It seems to be in the engine at all rpms. If you run it up to around 60 mph and pull in the clutch and let off the gas it goes away. With the clutch pulled in and run the rpms up the vibration is there. I rebalanced the tires and they were right on. You feel it more in the footpegs and less in handle bars. Any ideas.
Final drive? Had this problem once and it came form a broken drive. Take the wheel off and check if the brake disk moves or a has a play in it...
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Old 04-14-2010, 09:21 PM   #3
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By fine do you mean high frequency?
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Old 04-14-2010, 09:42 PM   #4
scooteraug02
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Loose skid plate, lights, valve cover protector, crash bars?
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Old 04-15-2010, 06:50 AM   #5
JimVonBaden
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Quote:
Originally Posted by scooteraug02
Loose skid plate, lights, valve cover protector, crash bars?


That, or your rockerarm endplay is getting on the loose side. A quality endplay adjustment, valve adjustment, and throttle body sync should reduce it. Keep in mind you do have a boxer motor, two 600cc pistons battling it out.

Jim
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Old 04-15-2010, 05:40 PM   #6
cleatis t OP
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I did a valve adjustment about 1500 mile ago, but not end play . I look at that this weekend. The only thing I have changed is I put pivot pegs on and might have a different harmonics so this weekend so i'm going to put stock footpeg back on. I check final drive when I balance rear wheel. It has a very small amount of play that has not changed in the last 35000 miles.
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Old 04-15-2010, 06:15 PM   #7
atdrs
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If the pegs, then it should vary noticeable when you put your feet on them, I be thinkin.
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Old 05-02-2010, 02:27 PM   #8
cleatis t OP
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Quote:
Originally Posted by cleatis t
My 2006 GSA has developed a fine vibration . It seems to be in the engine at all rpms. If you run it up to around 60 mph and pull in the clutch and let off the gas it goes away. With the clutch pulled in and run the rpms up the vibration is there. I rebalanced the tires and they were right on. You feel it more in the footpegs and less in handle bars. Any ideas.
I
I checked the drive shaft and everthing is nice and tight. Then I checked the final drive and the pinion shaft has about 0.010" side play. Is this excessive amount of movement.
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Old 05-02-2010, 03:14 PM   #9
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Check all engine mount fasteners.
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Old 05-03-2010, 05:14 PM   #10
jonny cash
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I was having the same type vibration, mostly in the foot pegs. I had recently changed the alternater belt, so I went back over the mounts on the crash bars, and found a few that could be snugged. I also re-tourqued the rear frame bolts at the engine attachment, and they were also a little out of spec. It did not make the vibes go away completely, but did make quite a difference. ymmv
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Old 05-05-2010, 08:41 PM   #11
wanocksett
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I know the vibration issue is a bit of a PIA for most of us.

Some of the gals, however, don't seem to mind it at all.
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Old 05-07-2010, 01:42 PM   #12
biggziff
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Unfortunately, it's a boxer and they vibrate like a tractor motor. Some of us are much more sensitive to it. Others don't seem to even feel it.
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Old 05-07-2010, 01:45 PM   #13
ricohman
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Quote:
Originally Posted by cleatis t
I did a valve adjustment about 1500 mile ago, but not end play . I look at that this weekend. The only thing I have changed is I put pivot pegs on and might have a different harmonics so this weekend so i'm going to put stock footpeg back on. I check final drive when I balance rear wheel. It has a very small amount of play that has not changed in the last 35000 miles.
You answered your own question.
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Old 05-09-2010, 05:17 PM   #14
Gone-Native
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Quote:
Originally Posted by cleatis t
I
I checked the drive shaft and everthing is nice and tight. Then I checked the final drive and the pinion shaft has about 0.010" side play. Is this excessive amount of movement.
I would think..... have your dealer check it.... you would not want it to seize-up while riding
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Old 05-10-2010, 08:53 AM   #15
ausfahrt
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Quote:
Originally Posted by JimVonBaden
Keep in mind you do have a boxer motor, two 600cc pistons battling it out.
+1
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