Yes sir, time for some lubrication !!! thats your bushings sayin "help me !!!"
I took mine apart and greased all the bolts and bushings on the a-arms, shocks, sway bar, exhaust mounts, levers, my wheel nuts and steering 2 months ago and zero squeaks yet...
Powerwash the living heck out of it, (I do mine standing on the grab bar to make sure it's nice and "squeaky" clean, haha) just take stuff apart, wipe the bushings and bolts and grease the snot out of them then assemble and wipe off the excess (or not if you want your quad to look like an old leakypiece of farm equipment), actually, wipe it good, excess grease attracts krud and krud is no good for bushings...
Regular automotive grease is ok, CV joint grease is better, but i'll tell you a secret, I have worked in manufacturing, tooling and molding for most of my life and, well, get yourself some "OLD BULL" mold grease..i tried lithium, molybednum and more and this stuff PERFORMS awesome, even if you put it on and wipe it off it leaves a nice film on there, water wont budge it and it's meant to go on and stay on in harsh environments withsatnding temperatures and pressures normal lubricants cant...
Specifications:•Forms Adherent Yet Slippery Film -told ya !•Won't Wipe Off Through Tight Bushings -hmmm where have i seen tight bushings before ?•Superior Lubricity from -22 to +500 deg F -wow !•Waterproof -water ? none of us ever get our quads wet, do we ?•Anti-Corrosive -oh yes, corrosion bad !•Non-Melting -stays thick, i've seen it on platen bars that were 180 degrees still super thick and working as it should !•Non-Silicone -dont know if that matters really•Homogenized at 6000 psi -very consistant from the top of the jar to the bottom !!!•USDA H-1 -clean stuff !!!
I think , yup just checked, a 4oz jar that will grease your bushings about a million times and even fun to put under your nosy neighbors door handles is only like 5 bucks...
http://www.imscompany.com/Public/ItemDetailsPage.aspx?ProdCodeTitle=Grease&item=105998
i'm sure you can use other stuff, but this grease is SERIOUS stuff...and no matter what you use here's another tip, use a solder brush or small paint brush to apply it, saves you a big mess !!!