Fork oil questions.....

[chi kung]

Hi guys can someone asnwer these very simple question please.

Is it possible to remove the fork oil while still on the bike? I have a special sucky thing that would poke down the forks.

Also how much fork oil is required?

And what weight is the std fork oil?


Many thanks in advance. i will also accept smart butt replies.

Thanks

Adrian

[benny hedges]

take them off you lzy git!
you will never get it ll out with your sucky fky thing.
tip them out and leave them 1/2 hr to drain.
the old oil will be minging btw so put some rags down.

get 7.5 weight oil, from opie or somewhere...
you will need 1 litre - 450ml in each leg.
measure it into 2 separate containers though, dont try to guess out of the bottle.
you want an air gap 130 - 140mm from the top of the fork to the oil.

[tinysmall]

It's possible to empty the oil while they are on the bike but pointless because they need to come off for you to change it. They need to be perfectly vertical when you refill em so that you can accurately measure the air gap. And its worth checking bushes and seals whilst they are off. Pretty simple to strip em to the bare bones, just do one at a time so you don't mix bits up.

[lloydie]

you can do it with the forks still on the bike but you have to turn it upside down
you need to remove the forks and you will need 1l of 10w fork oil . 130mm air gap with springs removed and Stantons fully compressed measurement tahen from the top of the leg

[chi kung]

Im not lazy its because i have no arms or legs

[benny hedges]

simple answer.
get some oil.
get to tony's on saturday.

[steveb]

I've just stuck some hagons in mine - they recommend a 150mm air gap.

I used 10wt oil but I am 14st.

Bike rides much better now.

It's easy to do -

Remember to release the top caps before you undo the clamps.
Do one leg at a time - remove wheel and brake calipers.
Once the top clamp is unscrewed, use 2 x 14mm spanners to release the damping rod.
Pull out damping rod, 2 x washers, spacer and C shaped washer - then pull out the springs.
Turn forks upside down over a bucket or similar and watch the grey sludge formally known as oil, come out!

Hope this helps, Steve

[steveb]

Oh yeah, I removed the fairing too made it easy to access everything and I gave it a good clean whiles it was off.

[tony.mon]

I've just stuck some hagons in mine - they recommend a 150mm air gap.

I used 10wt oil but I am 14st.

Bike rides much better now.

It's easy to do -

Remember to release the top caps before you undo the clamps.
Do one leg at a time - remove wheel and brake calipers.
Once the top clamp is unscrewed, use 2 x 14mm spanners to release the damping rod.
Pull out damping rod, 2 x washers, spacer and C shaped washer - then pull out the springs.
Turn forks upside down over a bucket or similar and watch the grey sludge formally known as oil, come out!

Hope this helps, Steve

+1 on this, but remember to pump the stanchion in and out while upside down to get all of the oil out of the nooks and crannies of the damping mechanism.
Another 200ml of grey sludge.

if really grey and sludgy, sluice out with some fresh stuff and re-drain after pumping for a bit.

Lastly, pump stanchion once you have fresh oil in because it'll ge tthe bubbles out.