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Death wobble

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Old Mar 5, 2012 | 02:36 PM
  #11  
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KWC6
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Originally Posted by baust55
well check all the usual suspects . stearing head ajustment . tire preasure swing arm ect .
i only had a bad wobble once . the day i brought my FLHRC home .
as soon as i got home i found my tires only had 28psi and 29 psi .
and the shocks only 6 psi . that solved it. just put 38psi front tire 40psi rear and 25psi in my shocks.
Same with me on my 2011 Ultra. Just got on highway, hit the cruise set it at 75 mph, and tank slap real bad. Thought my life was over. Harley checked everything and told me only thing they found was front tire pressure 28 lbs. I had a slow leak replaced the tire, check pressure, everything seems fine. This was 3,000 miles ago.
 
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Old Mar 5, 2012 | 02:46 PM
  #12  
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I cant believe you guys take off on your bikes and don't check the tire pressure. I guess it's habit for me. If I ride every day they get checked every day. All it takes is one nail from the day before to show it's ugly head the next day. I rode a nice twisty road coming home from a PGR mission, parked the bike, went out the next morning, you got it, flat. I guess that's what has made me so conscious about it. We only have 2 tires, one goes out your screwed.
 

Last edited by KCFLHRC; Mar 5, 2012 at 02:49 PM.
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Old Mar 5, 2012 | 03:25 PM
  #13  
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Knock on wood...as many years and as many miles as I've rode, and many many on HD Tour bikes. I've never experieced death wobble or tank slapping....Actually only heard about it on the internet. Been doing this 40 years now and only trouble I've had has been self-induced, meaning doing stupid crap. That being said, my current FLHT does have progressive suspension front and rear and E-3s so maybe I fixed something before I knew there was a problem.

Those of us that are Helicopter Pilots know about a condition called Pilot Induced Oscillation. The long and short of it is the Pilot continues to react (over react)to a condition back and forth and continues to make it worst. There is a lot more to it but you get the idea. Not talking so much about the OP but often wonder if this condition is worsted by over reaction.
 

Last edited by AtkRWC; Mar 5, 2012 at 03:31 PM.
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Old Mar 5, 2012 | 03:34 PM
  #14  
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Originally Posted by toketee
Tires at 38, no braking or down shifting in the curve, shock pressure not as high, no snakes, apexing the curve. Wouldn't say I'm a pro rider, but have been riding for years, around lots of curves,with never a problem. Tires in excellent shape. Going to check the fall away and bearing before my next ride.
I had it happen once, BUT we were riding 2-up and had a heavy weekend bag strapped on the luggage rack. I'm sure in my situation had to do with weight distribution being out of whack. Luckily it was a long slow curve and backing off the throttle quieted it down. It definitely grabs your attention, though.

I guess that will teach you to stop trying to keep up with the Victories!
 
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Old Mar 5, 2012 | 03:52 PM
  #15  
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Our bikes can be made better in a variety of ways, that will reduce stress during the ride and increase confidence in them. In my experience and in this order: tyres, shocks, stabilizer. My 1990 FLHS has over 100 HP/TQ these days and will let us ride with modern bikes, thanks to those improvements.

Smokengun, I have a T-T Trackula kit on my ole lady. It's the only way to travel!
 
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Old Mar 5, 2012 | 07:19 PM
  #16  
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Originally Posted by Smokengun
The death wobble scares the hell out of me. It hasn't happened yet, but the fact that it might is not cool. I keep my tires in check, but I do have to check out my shock pressure. Haven't bottomed out but I gotta check. Then I'm going for one of the many stabilizers that are on the market. I'm lookin at the True-Track one myself. I know there are cheaper out there. But this is the one I think I'm settling on. Just my 2 cents.
Something that has never happened scares you? I am on my second touring harley totaling ove 100K miles and never had this, so I never worry about it.

Maybe I never take a 55 mph turn at 90 or always have the proper air in the tires and shocks...who knows.

Now, them tar snakes scare the begeezus out of me, been biten a few times. Never got me down, but those sure do wake you up. I wouldn't think Ohio would be home to this many snakes, but some of these roads are freakin nothing but.
 
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Old Mar 5, 2012 | 07:50 PM
  #17  
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A pre-ride inspection will keep your bike ready to ride, T-CLOCS.

Any change in speed other than maintaining or increasing throttle will unload the suspension and can cause a wobble. Even a slight letting off the throttle can do it.

Slow Look Press and Roll. Slow prior to the curve, to set a speed that allows you to roll on the throttle through the curve. Look all the way through the curve to smooth your curve out. Press on the handlebar in the direction of the curve to get the bike to lean and Roll on the throttle to load the suspension to stabilize the bike through the curve.
 

Last edited by Hog Yild; Mar 5, 2012 at 08:00 PM.
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Old Mar 5, 2012 | 08:00 PM
  #18  
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Listen to Shooter and live to ride another day. You got to finish the race to win it . Slow down and enjoy the ride. Sliding down the road on your butt isn't any fun, ask me how i know.
 
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Old Mar 5, 2012 | 08:03 PM
  #19  
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Originally Posted by toketee
Tires at 38, no braking or down shifting in the curve, shock pressure not as high, no snakes, apexing the curve. Wouldn't say I'm a pro rider, but have been riding for years, around lots of curves,with never a problem. Tires in excellent shape. Going to check the fall away and bearing before my next ride.
I understand the changed the frame in 09 because of that. There is some bracing you can have installed to reduce it. I have seen it on the RoadGlide Forum, (not this site). I 'll get back.
 
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Old Mar 5, 2012 | 08:15 PM
  #20  
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I got rid of the air shocks, put progressive shocks in the tubes, added a bagger brace,
watch air pressure in tires, hopefully I don't have this problem!
 
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