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Im 99% sure that i have either a worn out spring, or a weaker one. The bike just sinks down when i sit on it, im sure my shock is fine, but the spring is weak. Im only 170 lbs also. So i would like to stiffen it up. What would be the best way to do this? Could anybody direct me to a spring that is stock stiffness or mabey a little higher? I know these things are expensive so i want to make sure i getting the right spring. I need it to be under 150$. Also, its a 1992 DR 350S but i dont ride on the road, just woods, so a stiffer than stock spring might suit me better. But i would really appreiciate the help, i have never done this before

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if you haven't already done so, increase the preload before spending any money.

the stocker should support 170 lbs.

How do you adjust preload

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How do you adjust preload

Turn the threaded plate lower that goes around the shock and holds the spring. That will make the spring more compressed.

 

Did I tell him right?

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Turn the threaded plate lower that goes around the shock and holds the spring. That will make the spring more compressed.

Did I tell him right?

O ok. I see what your talking about. Mine is all the way up. Is there any way i could fit a spring compressor in there to make it easier to get that playe down?

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you must have the rear tire up in the air= rear suspension unloaded.

loosen the top lock nut and turn the bottom nut or turn the spring & it will most times turn the nut for you. turn until it compresses the spring 1/2 inch to start. test & repeat until the desired setting is met.

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FWIW I haven't tried it but the DR650 spring is said to work. It is a higher rate spring and many 650 owners replace them. Last time I was at Cogent Dynamics Rick had a box full of 'em going to the metal recyclers.

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