hi there guys.

im wondering if i am bleeding my forks right , or if i really need to bleed them. i drained the oil out, because i had never done it before and it is now 10 years old. the oil looked good, and it was aft as far as i could tell. it has very little dirt or grime. my problem was that when the forks were compressed and released, it made a whooshing sound, kinda like rinsing your mouth lol.

i also play with rc cars, and they use simple dampers that work almost identical to most "old school" forks, and a whooshing sounds means air is in the shock.

so i figured that it was low on oil, and filled it back up, pumped it up and down to expel air bubbles, and it still persists.
is this normal? the front end seems to have pretty much no damping, and never really has. it is a little better, but not much after changing the oil. following the instructions from socalxr site, i filled it to 100mm below the top compressed, and the spring would fit in without spilling oil out, so fiy, don't fill it up that much lol. that helped a little.



also, im wondering about some other mods.

i want a little more hight and have heard that reducing the top out spring length lets it raise up a little more. who has done this, and have you experienced any damage from doing this?
has anyone tried using jb weld to plug the damper rod holes to increase damping? i have researched it and people weld the holes, but would jb weld just blow out from the pressure?

for the rear end there is the aussie lift, but i don't want to chop anything. i now have a mini milling machine, and i wonder if i could machine a shorter connecting linkage front he chassis to the triangular part to do a similar task as the lift.

Edited by MCRIPPPer, 10 July 2012 - 10:53 PM.

no one?

I'm really considering making a linkage to simulate the aussie lift. should i make it out of steel or aluminum???

so no one has EVER worked on an xr100 fork????

MCRIPPPer, on 13 July 2012 - 10:05 AM, said:

Correct, XR100R forks are lame.  Teeny tiny diameter, no adjustment etc.

There is no valve on the XR fork cap so, therefor it was never intended to be bled of air (the original intent of schrader valves being mounted in the cap).  Any chance your fork seals might be weak and the forks are sucking air past the seal?

Edited by theraymondguy, 13 July 2012 - 05:30 PM.

the seals seems good. the original oil was at near stock hight. i think a little oil was carried out by the spring when i took it apart.

not a drop of oil around the seals. it just seems like there is air going through the damper rod.