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DT125R Forum -> FORKS -> Firming Up Front Suspension?
Post Info TOPIC: Firming Up Front Suspension?
delroy


DTR Newbie

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Firming Up Front Suspension?
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Finally got my 98 DTR rebuilt after it was stolen and dumped in the river. 
I've just ridden it for the first time in a couple of months and I forgot how soft the front suspension was. I hate the front of the bike dipping so much under braking.

I'm going to be doing the fork seals soon, and I was thinking I'd try to firm up the suspension while I was at it. I was thinking if I used a thicker fork oil this might help (the haynes manual says use 10W oil).

Has anyone else tried to do this? Does changing the fork oil work? Is there anything else I can try?

Any advice would be appreciated, cheers.



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Raw_Force


DTR Respected Member

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i've heard of filling more oil in there, under presure that is!
i don't see how a thicker oil would do you any good. but hey give it a try and let's hear how it goes.

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r0bsk1


DTR Senior Member

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Thicker oil will only slow the fork down on the extension stroke. You need a firmer spring to reduce the bob under breaking. Try puting some large washers on top of the spring and refit the cap. I added about 40mm which firmed it up a little

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mckenziedtx


DTR Member

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robski has the right idea, washers or spacers will harden up the front end!

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jayjay


DTR Senior Member

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yeah that seems like a good idea ive been looking for post like this as i wanna add a few mil to my front end as im gonna get a bones for rear end. what kind of washers will i need ??

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bkray


DTR Senior Member

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Well, For firming up when breaking a heavier weight oil should work... I asked my mechanic this same question and he said a heavier weight oil would do the trick. wethere too take his word or not i dont know. But just keep it in mind.

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1990 DT125R Sm'd

Piccys - http://dt125r.activeboard.com/t40415921/1990-dt125r-sm/

1989 DT125R (offroad)

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