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post #1 of 17 (permalink) Old 11-09-2012, 06:30 AM Thread Starter
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Fork oil question

About 3 months ago I replaced the fork oil and seals. I used the kit from traxxion and measured the fork oil from the top of the fork without the spring to what was in the service manual. I believe maybe I used the wrong fork oil. Since then even with the compression and rebound set to full soft the front is very very springy. I usually ride with the clutch covered and its so harsh it sometimes knocks my hand off the handlebar. At night when I'm riding I can see the beam of my headlights going up and down drastically on a car I'm following.

My sag settings are within the ballpark for my weight.

The fork oil listed below is what I used. I used the light viscosity which I believe is 5 wt even though their website shows it as 50wt

http://www.bikebandit.com/silkolene-fork-oil

Would that oil cause that much of a drastic change? Also using a zip tie I still have about 1 1/2 inch of travel that the fork is not using.

If the fork oil is the problem. Would this oil be a better choice.

http://www.bikebandit.com/silkolene-...spension-fluid
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post #2 of 17 (permalink) Old 11-09-2012, 03:32 PM
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Re: Fork oil question

Quote:
Originally Posted by Dow Jones View Post
About 3 months ago I replaced the fork oil and seals. I used the kit from traxxion and measured the fork oil from the top of the fork without the spring to what was in the service manual. I believe maybe I used the wrong fork oil. Since then even with the compression and rebound set to full soft the front is very very springy. I usually ride with the clutch covered and its so harsh it sometimes knocks my hand off the handlebar. At night when I'm riding I can see the beam of my headlights going up and down drastically on a car I'm following.

My sag settings are within the ballpark for my weight.

The fork oil listed below is what I used. I used the light viscosity which I believe is 5 wt even though their website shows it as 50wt

http://www.bikebandit.com/silkolene-fork-oil

Would that oil cause that much of a drastic change? Also using a zip tie I still have about 1 1/2 inch of travel that the fork is not using.

If the fork oil is the problem. Would this oil be a better choice.

http://www.bikebandit.com/silkolene-...spension-fluid
5wt fork oil is fine and is what is typically used.. the reason your forks feel "springy" is likely cause you set em to full soft.
Street riding, and having 1.5" of travel left, is not an issue either. it's not likely you are going to go fast enough, and brake hard enough, to use all the travel on the street.

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post #3 of 17 (permalink) Old 11-09-2012, 03:39 PM
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Re: Fork oil question

Settings are way off it sounds like. Much more than 5wt and the ride gets pretty stiff. I used maxima 10wt in my 08 when I had it and it was pretty stiff, but I also had it set up for the track so thats pretty normal.
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post #4 of 17 (permalink) Old 11-09-2012, 04:24 PM
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Re: Fork oil question

Quote:
Originally Posted by Dow Jones View Post
About 3 months ago I replaced the fork oil and seals. I used the kit from traxxion and measured the fork oil from the top of the fork without the spring to what was in the service manual. I believe maybe I used the wrong fork oil. Since then even with the compression and rebound set to full soft the front is very very springy. I usually ride with the clutch covered and its so harsh it sometimes knocks my hand off the handlebar. At night when I'm riding I can see the beam of my headlights going up and down drastically on a car I'm following.

My sag settings are within the ballpark for my weight.

The fork oil listed below is what I used. I used the light viscosity which I believe is 5 wt even though their website shows it as 50wt

http://www.bikebandit.com/silkolene-fork-oil

Would that oil cause that much of a drastic change? Also using a zip tie I still have about 1 1/2 inch of travel that the fork is not using.

If the fork oil is the problem. Would this oil be a better choice.

http://www.bikebandit.com/silkolene-...spension-fluid

2009 YZF-R6
2010 Ninja 250

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Quote:
Originally Posted by doctorv
I was wrong.
Quote taken 7-16-15 @ 0640CDT
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post #5 of 17 (permalink) Old 11-09-2012, 10:58 PM Thread Starter
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Re: Fork oil question

Quote:
Originally Posted by MELK-MAN View Post
5wt fork oil is fine and is what is typically used.. the reason your forks feel "springy" is likely cause you set em to full soft.
Street riding, and having 1.5" of travel left, is not an issue either. it's not likely you are going to go fast enough, and brake hard enough, to use all the travel on the street.
Well for the past month or so I have tried many different combinations and it never feels like how it felt before. It's like I'm riding jack hammer.
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post #6 of 17 (permalink) Old 11-09-2012, 11:02 PM Thread Starter
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Re: Fork oil question

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Originally Posted by redisdeadrideblue View Post
Settings are way off it sounds like. Much more than 5wt and the ride gets pretty stiff. I used maxima 10wt in my 08 when I had it and it was pretty stiff, but I also had it set up for the track so thats pretty normal.
I'm sure the settings are way off cause I can tell that just from riding. I tried using the settings posted on sportrider magazine site but no matter what I try the ride just feels like shit.

I started with all of the settings in the middle but can't get it back to the normal feel. I used to commute to work on the bike and put down almost 20K miles on this bike but after the fork service it's almost unrideable.
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post #7 of 17 (permalink) Old 11-09-2012, 11:04 PM Thread Starter
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Re: Fork oil question

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Glad I could assist you in adding to your postcount. If you would like to join the discussion with some substance other than a google image search of lulz I'm all ears.
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post #8 of 17 (permalink) Old 11-10-2012, 06:14 AM
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Re: Fork oil question

Quote:
Originally Posted by Dow Jones View Post
I'm sure the settings are way off cause I can tell that just from riding. I tried using the settings posted on sportrider magazine site but no matter what I try the ride just feels like shit.

I started with all of the settings in the middle but can't get it back to the normal feel. I used to commute to work on the bike and put down almost 20K miles on this bike but after the fork service it's almost unrideable.
so you had it serviced, and now no matter what something doesn't feel right regardless of settings? it's possible something wasn't put together correctly, or the fork oil level is way off. take it back, or .. if it were me.. have a suspension specialist check things out. get some photos or something in writing from the real suspension tech to get your money back from the first guy. (if something is in fact found to be wrong).

SILKOLENE makes awesome stuff.. either of those two fork oil choices you posted would be just fine. one is just more expensive and engineered for racing purposes.

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Last edited by MELK-MAN; 11-10-2012 at 06:19 AM.
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post #9 of 17 (permalink) Old 11-10-2012, 11:34 AM
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Re: Fork oil question

Quote:
Originally Posted by Dow Jones View Post
Glad I could assist you in adding to your postcount. If you would like to join the discussion with some substance other than a google image search of lulz I'm all ears.
I appreciate that, the fact that you expected to get awesome dampening out of turning the valves all the way open is astounding. What exactly did you expect by opening them all the way? Did you expect a refresh to allow you to use no dampening at all?

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Quote:
Originally Posted by doctorv
I was wrong.
Quote taken 7-16-15 @ 0640CDT
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post #10 of 17 (permalink) Old 11-10-2012, 01:44 PM
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Re: Fork oil question

What year bike?

How many clicks are on each of the damping adjusters right now (still full open (counterclockwise) or what?




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