[Closed] OK to use U turn whilst on the Fly ?

I wind mine up & down on the fly.....don't remember reading about it being a problem.
I have a feeling you shouldn't adjust it while locked out.....but could be wrong.

spring is harder to do (think it was up iirc) but air PIKE is fine either way. Though it would need to be VERY smooth to be able to take one hand off and do this on the fly.

Air U-turn, yes no problem.
Coil U-turn can only be wound down, you have to get off to let it up again.

You can wind the pike coil u-turns either way on the fly but PP's right, it's easy to wind it down and hard to wind it up. I move my bum to the back of the saddle to take weight off the fork and sometimes have to lift the front wheel a few times to get it back to full travel. Definitely possible though.

You have to be careful not to have the lock out on when you wind it either way though.

coil u turn here. wind in and out on the fly no problem. been doing it for 3 years and haven't died yet.

You have to be careful not to have the lock out on when you wind it either way though.

Why's this? I've done this in the past I think, although the forks have been serviced since. What's the risk?

You have to be careful not to have the lock out on when you wind it either way though.

That would only be the case if the lockout function locked in any of the set travel no.?

Please divulge.

If you have the lockout on, you'll force oil through the compression circuit by way of either lengthening or shortening the spring

I thought that you forced the oil through the damping circuit and ran the risk of blowing the seals. I've never sat down and thought about it, just took it as a fact!

Doug

Isn't the damping in the lower leg, the compression (i.e. motion control) in the upper? My thought was that you're pulling both ends of the fork together or pushing them apart when adjusting u-turn so the oil gets forced through the red motion control unit at the top of the right leg. This can be rationalised by the fact you have to adjust compression to maintain the same spring rate after adjusting u-turn.

Although I've only serviced my Pikes once, so may be completely wide of the mark.

al

Ok, bit of info - There's no issue with regards U-Turn adjustment on the fly as Trailmonkey said, it is designed to allow this function. Although the adjustment can be made easier by removing 1 of the ball bearings from under the U-Turn cap. You should clean under the U-Turn adjuster anyway to keep it free and clean from dirt, most problems usually arise from crap under there or the lube being washed out by jetwash / degreaser.

The compression and damping circuits are both in the top part of the fork, it's only the adjustment of the rebound which is at the bottom of the fork. The compression and rebound are isolated from the spring rate, and as such have no influence. If you are having to adjust compression with U-Turn wound down then you may have other issues.

The lockout function or Flood Gate is basically a pressure relief valve that restricts oil flow under noraml use but allows oil flow through the compression circuit under high fork compression, if the Flood Gate is closed too much then the pressure required to open the valve sometimes overcomes the O Ring resulting in an oil leak. Operating ther U-Turn will do little damage to this as it just increases the pre compression pressure required to over come the Flood Gate. Only if the Flood Gate threshold is too high damage may occur.

In short then, yes it's ok to use U-Turn on the fly!

Alastair, I'll go with what Konastoner says, sounds like he knows what he's talking about!

I've serviced my pikes a few times but I just follow the instructions and don't stop to think about what actually happens! I've always just avoided using u-turn when the forks locked out but then I hardly ever lock it out anyway so it hasn't been a big deal.