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  #1  
Old 07-11-2006, 07:42 PM
pealage's Avatar
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Default 96 or 98 yz forks

     

Does anyone know what the fork oil height and oil weight for a 96-98 yz 250. the rider is a beginner and weighs around 200 lbs.
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Old 07-11-2006, 07:59 PM
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Default Re: 96 or 98 yz forks

Try 90mm oil height, springs out and fork compressed. Use a 5 or maybe even a 7 wt fluid. Try starting with your compression adjuster at 14 out and rebound at 9 out.

Last edited by Shocknut; 07-11-2006 at 08:02 PM.
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Old 07-12-2006, 06:33 AM
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Default Re: 96 or 98 yz forks

thanks i will give that a try this weekend. the front forks seem to stick at the top of the stroke. Its not my bike any ideas besides the front wheel not being tighten right. I am going to check that also, was just curious if there is a internal problem?
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Old 07-12-2006, 10:25 AM
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Default Re: 96 or 98 yz forks

Cartridge rod could be corroded/rusty . I've seen this alot on the forks with the steel cartridge rods. They get corroded and "stick" and wear the bushing out.
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Old 07-12-2006, 03:03 PM
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Default Re: 96 or 98 yz forks

Also - the sticking could be from the lower clamp bolts being way too tight. Even at the factory reccomended torque (12 FtLbs?) the tube's inner diameter is reduced.

I tighten my lower clamp bolts to 10FtLbs with an inch pound torque wrench after noticing some resistance in the sliders during maintenance many years ago - probably in about 96.

It's also a good idea to rotate the top tubes maybe 1/4 of a turn each time you do any fork maintenance. This allows the tubes a chance to wear evenly. It can suck to get to the bleeders most of the time but I deal with it.

And like you mentioned - make sure the tubes are straight when the axle pinch bolts are tightened. I use calipers to set mine dimensionally, but most folks aren't quite as anal about stuff like this!

Scott
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