Motorcycle swing from left to right when driving straight.

[gold91]

After replacing the original feathers by progressive ones the riding behavior is stayed the same.
the bike is going from left to right and this for all different speeds.
I read that placing a superbrace can be an option to resolve this problem.
But there exist already one that hold the fenders (under the fender).
Is putting a second one neccesary tho improve the riding behavior ?
I think that i first replace the tyres.
But suppose this is not helping what can be checked more ?
can this fenomen be caused by a bad rear suspension ?
Or the wheels ?
Or still something else ?

[RBGERSON]

Try to reset the front forks stiction but loosen all the bolts axle, pinch bolts etc. and tighten per the manual bottom to top. see Randakk's how to in his site. http://www.randakksblog.com/removing-st ... #more-1173 this is for a GL1000 but it will give you a generally idea of what to do.

If you put the bike on the center stand and lift the front wheel off the ground put an item near the wheel and spin the wheel watch the spacing between the item and the wheel it should not change if it does you wheel is not running straight.

Also bad rear swig arm or wheel can cause this.

[Golfr]

Would broken swing-arm bracket cause this issue? Had a similar situation on my 97 GL1500 Motor Trike.
Newbie here learning the ropes