small question
 

do companies still make parts for older bikes(lt230 1985)

You can find a good selection of OEM parts at:

www.bikebandit.com

and

www.motosport.com

And if you don't want to go broke buying OEM, search around on eBay. There's almost always and entire 230 being parted out.

Hope that helps.

what kind of parts? if you want exhaust and such go to denniskirk.com

i've had pretty good luck getting OEM parts at the local dealer. BikeBandit is good too but remember that OEM parts are all the same price no matter where you get them.
the Man. sets the price and dealers generally can't discount them.

if you want oem go to www.yamahaoftroy.com. they are considerably cheaper than bikebandit.