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gs450l front wheel hopping

  • Thread starter Thread starter bubbarandi
  • Start date Start date
B

bubbarandi

Guest
My 1980 450l feels like the front tire is bouncing down the road at 30 to 45 mph . The tire was balanced by the dealer when it was mounted last fall .It has 1 1/4 onces of lead weights stuck on the rim in one spot. Seems like a lot, could this be the problem? The tire is seated on the rim properly and the air pressure is good . Tire is a duro . Any ideas?
 
check for cupping and uneven tread wear, and yeah, that seems like a lot of weight for a motorcycle tire. take it off and do a static balance test to see if the weighted part of the rim always ends up down after you spin it.
 
if you have that much weight on the wheel, then chances are the tire is not oriented correctly on the rim. Both rims and tires have light and heavy spots. if they line up correctly, only a small amount of weight needs to be added to balance them.

Also, it is possible that the balancing was done incorrectly, or that the wieght has shifted do to some sort of flaw.

If you cannot find any other cause, you may want to look into having it balanced again
 
gs450l tire hopping

gs450l tire hopping

Well I removed all the weights and now my bike rides as smooth as glass.
The dots on both wheels were lined up with the air valve. Go figure! Thanks to all that responded .
 
bubbarandi said:
Well I removed all the weights and now my bike rides as smooth as glass.
The dots on both wheels were lined up with the air valve. Go figure! Thanks to all that responded .
Click to expand...

As I've been told, the yellow dot represents the heaviest point on the tire. Therefore it should be place opposite of the valve stem. That could explain the overweighting with wheel weights.

Brad bt
 
bradleymaynar said:
As I've been told, the yellow dot represents the heaviest point on the tire. Therefore it should be place opposite of the valve stem. That could explain the overweighting with wheel weights.

Brad bt
Click to expand...

Brad,
I think this may be backwards....I always thought the yellow dot was the lightest point of the tire and the valve stem was the heaviest point of the wheel (but not always). Thus you line both these points together and then balance.

http://www.motorcyclistonline.com/howto/motorcycle_tire_balancing/
 
Last edited:
Indeed dot should be placed *with* the valve stem, not opposite.
 
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