SOHC.co.uk Forums > CB350/400

Front forks /wobbly steering

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ricardo:
Wow. Quite a job!  Sound advice though. I'll investigate

Rob62:
Removing the cables is a bit ott in my opinion... so long as there is no free play or notchyness and the steering moves freely it is ok.

K2-K6:
As above,  agree that cables although you can feel them at max turn have little effect when riding.

At most you're going to be 10degree each side of straight ahead,  unless manoeuvring at very low speed.

Although I took "wobbly " to mean the handlebars are shaking when you ride it,  rather than just staying straight if you take your hands off the bars. If that's the case then it is just the central range of bearing movement you need to inspect with the most scrutiny.

TrickyMicky:
Don't worry about the steering falling to one side or the other. If you look at the steering set-up, you will see that the forks are forward of the steering stem/axis point, so when you turn the bars the forks actually move round in an arc. Because the steering stem is at an angle, this means that the forks actually drop either side of centre. When it is all re-assembled, take bike off the stand so it is on its wheels, then turn the bars from lock to lock and you will see that the bike actually moves from side to side roughly at the point in line with the front of the tank. This set up is to give the optimum steering and handling response for a road bike. If you look at a speedway bike the forks are very close to the vertical, no good in a straight line but good for drifting, drag/sprint bikes are totally the opposite, acutely angled forks for straight line running.
   Just as an aside, if you've ever wondered what keeps your bike so stable, whilst you have your front wheel removed, using both hands hold it up by the wheel spindle and rock it about. Now get a mate to spin the wheel and then try to move it about and you will feel the gyroscopic effect. Be lucky, Michael.

ricardo:
Bikers thanks.
No the steering doesn't vibrate or shudder. It feels as if the steering is imprecise. I seem to have to always be turning the bars  to keep the bike on a straight line. Probably more noticeable while on a bend
On another bike I once had with excellent steering it behaved like this  when my front tyre was below pressure
Does that mean anything different.?

Ricardo.

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