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Handlebar vibration when hand removed momentarily tire pressure & balance good ready to replace steering bearings next ******.bike is 1982 KAWASAKI KZ 440 D !!!!!!!!!!! MODEL DID NOT APPEAR ON SITE LIST !!! IT IS not A Z 650 . 82 kawa kz 440 d .THANKS!
Check if there's any play within the bearings..top and bottom of the triple tree. Put your bike on the center stand and ask someone to sit onthe bike seat and tht way it will raise in the front, try to shake the triple tree into forward and backward motion, if you do find some play thn try to adjust them(bearing)...careful not to keep em tight or else you wont get a good balance on the steering whiles riding!
Check the bushing at the handle bar too!
Hope this helps!
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The first thing I'd check would be my tires. Then if it isn't the tires it would be in the front end. Tie Rods, Ball joints. steering linkage. or if at worst The Rack and pinion.
A likely cause is the front tires are out of round or out of balance or both.
Tires are the most common cause of excessive vibration at highway speed assuming the hubs are good and the bearings are tight, and the front end parts are all tight and in good condition.
I just replaced 4 tires on my 1997 Cadillac Deville Limousine and it made a great difference in the ride and control, and got rid of a tire that had a 1/4" bump in it as seen by the tech that spin balanced it for me.
Try to have it balanced first, and check for out of roundness, and also inflate the tires to the max. pressure allowed by the specification as indicated by a placard on the inside of the driver's side door.
Good luck on getting rid of this vibration problem at 50 mph.
Hello, I see you may a lot of changes and replaced a lot of parts. We leased an Explorer the same Year as yours. In our case there was a slight noise as well as vibration. The problem was the Front Hub bearings, They were bad at 18000 miles.
There are a few things I want to suggest. The spinning of the wheels on the lift will not load the bearings. A Dyno table can get everything turning with a load on it. As your vehicle is a 4x4, most Dyno's were 2 wheelers. You would have to call to find one for a 4x4.
Next, if the new Hubs do not help, have a look at the rotors. They are also balanced. You can spin balance the Wheel and rotor as a unit with a floor motor. It's not the best way to Balance because tire rotation or even shifting the Wheel on the lugs will UNbalance it. But this method CAN pinpoint a problem if a Balanced tire does not spin true when bolted to the vehicle. You will know the Rotor is off-balance and which axle is causing the problem.
Would be interested to see a Post of what you found.
Hi, Front end vibration can be caused by front rim/tire out of balance, worn wheel bearing(s), bent front rim, or fork misalignment. Since you recently had fork work done, I would first check the forks for proper alignment, then have the bike on a stand and spin the wheel to see if there is wobbling. To check for bearing wear, while the front is off the ground, try to rock the wheel from side to side. If you can feel or see movement, you will need new bearings. Hope this helps
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