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Old 06-23-2012, 06:37 PM   #1
two guns
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Default Death wobble

Brother has 90 SE Goldwing. 55,000 miles. New Tires and Running balancing beads.
At 35 mph, bike goes into a bad death wobble, and will leave at about 40.

WHAT IN HELL IS CAUSING THIS ? It just started this.
Scared the devil out of him and his wife today.

......... thanks,
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Old 06-23-2012, 07:10 PM   #2
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There has been lots of discussion on this but mostly where the 1800 is concerned. When did this first start to occur...is it a new, recent event or what? Has he had tires replaced or any such thing done with the front end? It could be anything from improperly torqued or worn steering head bearings to improper tire inflation and/or suspension balance. Does it happen with both hands on the bars, accellerating or decellerating, in corners or straight...you see where this is a multi-faceted issue. There is likely no single cause but likely a combination of several. Honda themselves are at a loss as to why some of the 1800s are bad with this wobble and yet others will exhibit (like mine) almost no sypmtoms at all. I'd first check pressures, then suspension, and then tire tread condition. Wear pattern often indicates what corrective action is necessary, but it takes a trained eye to go from there usually. If nothing comes up there, then the head bearings need to be addressed and soon.
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Old 06-23-2012, 07:54 PM   #3
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I have a 94 with 48,000 miles. The wobble at 35 and stops at 40 is new on mine.... in the last 1,000 miles. My tire in the front is not down to the wear bars, but the tire is cupped and therefore I am replacing it on Monday.

I will report back to this thread what the results are on the new tire.

In the last 22,000 miles, I have had two high speed (over 70 mph) tank slapping wobbles that was caused by rapid deceleration with my bike loaded with camping gear. Fortunately, I accelerated and the wobble disappeared as quickly as it appeared.
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Old 06-23-2012, 08:32 PM   #4
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I will be waiting to see what you come up with ....

thanks all for the replies ..............
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Old 06-24-2012, 08:09 AM   #5
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The OP says new tires and beads, I would suggest that the tires are out of round or they are not seated properly or they are out of balance. Are they mounted in the right direction (look at the arrow on the side wall) Also check the air pressure.
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Old 06-24-2012, 10:14 AM   #6
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Quote:
Originally Posted by joe in calif View Post
The OP says new tires and beads, I would suggest that the tires are out of round or they are not seated properly or they are out of balance. Are they mounted in the right direction (look at the arrow on the side wall) Also check the air pressure.
When I said new tires, I should of said tires with 900-1100 miles.

When he told me of the situation, I told him it was prob a balance problem. We installed beads. Still not help. But I will check the direction.

Air pressure, he's running 41 lbs front, 44 back
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Old 06-24-2012, 11:08 AM   #7
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Quote:
Originally Posted by two guns View Post
When I said new tires, I should of said tires with 900-1100 miles.

When he told me of the situation, I told him it was prob a balance problem. We installed beads. Still not help. But I will check the direction.

Air pressure, he's running 41 lbs front, 44 back
Isn't that a bit excesive? I have a trike kit on mine and don't run my pressure that high - not that it is the cause of the wobble, though.
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Old 06-25-2012, 08:02 AM   #8
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Quote:
Originally Posted by GWTrike View Post
Isn't that a bit excesive? I have a trike kit on mine and don't run my pressure that high - not that it is the cause of the wobble, though.
What would you suggest running pressure on his bike should be.

He running E3's .....
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Old 06-25-2012, 08:08 AM   #9
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Quote:
Originally Posted by two guns View Post
What would you suggest running pressure on his bike should be.

He running E3's .....
41 on both is good. I have always run 41 on my front.
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Old 06-25-2012, 08:19 AM   #10
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When was the last time head bearings were checked? This is a very much OVERLOOKED maintenance that needs to be done!
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