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Are my forks/shocks worn out?

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Guest

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I'm getting ready to take my bike in for state inspection ('81 GS450L) and have a dumb question that I'm sure has a really obvious answer. How can I tell if my front forks and rear shocks are providing enough dampening or if they need to be serviced or replaced? The bike doesn't bottom out when I sit on it (I'm 6ft - 150 lbs), but I still wonder.
 
If the forks are not leaking that is a good sign. A failed seal can dangerously let go and that would be painful since the bike may dive unexpectedly and we all know what happens next. I would consider changing the oil if you have not already, and put new seals in at that time. Safety is important.

As for the rear, failure of a rear shock is not as dangerous but if you carry passengers or a cargo box it can be a little squirley. Rear shocks can usually be adjusted to compensate for a passenger or for being weak. Unfortuately the rear shocks cannot be rebuilt and they tend to be pricey.


I would be more concerned with brakes , tires, and lights for the inspection. What state are you in?
 
I'm in Pennsylvania. The seals are good and nothing is leaking. This is my first bike so I thought it would be a good idea to check everything over carefully before spring to make sure I have no surprises at inspection time. I've replaced the front tire, changed the brake fluid, and checked the pads. Everything seems to be checking out fine which makes me think I've missed something.
 
I live near philly, in wilmington. PA is a Pain in the A$$ when it comes to inspection. Delaware is easy, I drive in to a state inspection station, not a local garage where they make money fixing things. They might take it for a road test so make sure they can do it, what with all the snow and all that.

Friends in PA I have tell me that they are concerned with brake linings, especially the rear according to the indicators, and how loud the bike is.
 
Re: Are my forks/shocks worn out?

snark said:
I'm getting ready to take my bike in for state inspection ('81 GS450L) and have a dumb question that I'm sure has a really obvious answer. How can I tell if my front forks and rear shocks are providing enough dampening or if they need to be serviced or replaced? The bike doesn't bottom out when I sit on it (I'm 6ft - 150 lbs), but I still wonder.
Click to expand...

Quick way to tell if suspension is worn, front:Off centerstand, hold front brake push on handle bars, if you have the front going south there will be no damping front ent will bounce like there is nothing but spring action,all front forks over time will lose fluid(with a 1981 it could be due a service), so easy fix, get you manual and drain and service your front fork oil,
Back end same thing, if when you ride especially on a cement freeway, if your back end feels like your riding a hobby horse, bouncy bouncy, your back end could be worn, then its new rear shock time, not tooo pricey for a 450 but not exactly cheap. 180-250$
 
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