About to perform a fork oil change (not Dt125)
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@Irongamer727 I would stick with the specified amount, if you want the forks to be a bit stiffer, then just use thicker oil like 15-20 grade.
SEDUCED BY THE DARK SIDE!!!
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@NINJA Did we discuss this on another thread??? And thicker oil doesn't affect stiffness. I distinctly remember @Jens-Eskildsen Saying something. Or someone like that.
I think, if you want stiffer suspension, then you need to change the springs.
Always Originate, Never Pirate!
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@NINJA I can't remember.
Genuinely, as bad as this might sound, sometimes I actually struggle to recognise dreams from real life.
I've sat there at times thinking of something as if it actually happened. Only to remember it was a dream. Mental mate.
Always Originate, Never Pirate!
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@Calum You gotta stay off them drugs dude, I keep telling ya that there no good for ya!!! :grinning_face_with_smiling_eyes: :smiling_face_with_open_mouth_closed_eyes: :smiling_face_with_open_mouth_cold_sweat: :face_with_tears_of_joy:
But back on topic; I believe that the thicker oil slows the compression down, as it is harder to compress through the valves? Which in turn makes the forks slightly stiffer? But I may be wrong? And you are correct - Ultimately stiffer or progressive springs are the sure way to stiffen or upgrade their damping qualities.
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This site has some good advice
https://advrider.com/f/threads/fork-oil-weight-change-whats-it-do.997592/@NINJA It looks like the general consensus is that you're changing the dampening and rebound rate, not the same as stiffness.
Resulting affects are, yes it'll be harder to compress, but the inverse is also true. It won't rebound as quick. Sounds a bit deadly if you ask me.
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@Calum said in About to perform a fork oil change (not Dt125):
@NINJA Did we discuss this on another thread??? And thicker oil doesn't affect stiffness. I distinctly remember @Jens-Eskildsen Saying something. Or someone like that.
I think, if you want stiffer suspension, then you need to change the springs.
If you want stiffer suspension with DT forks, you've got 2 choices. The better one, is to change the springs. The cheaper and alternative method is to fill the forks up more. Thicker oil will only affect the damping rate, I.E it would slow down your rebound rate. Afterall you cannot pressurise a liquid. What allows the fork to travel and suspend movement is the air inside. Increase the quantity of oil, you reduce the amount of air and therefore require more energy to move the extra density of oil.
Now I've never taken the DT forks apart so I genuinely don't know how much room you have to play with. But I can say if you're trying to get your suspension right for your bodyweight and leg height, it is a lengthy and arduous process! Took me a few days to get right on the GasGas.
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486ml + or - 2.5ml so just under 1/2 a litre of oil.
