March 10th, 2014, 03:43 PM | #1 |
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Name: Tom
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Problem after front suspension change
So I just got done buttoning up the front of the bike. Did Springs and Emulators. Put everything back together and then set the forks 12mm above the triple. Problem is the front end is WAY too high off the ground now. Like the forks are too long. I mean it's so high that I can't even attach the speedo cable and my front stand that I have won't even lift it from the triple tree now.
WTF did I do? |
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March 10th, 2014, 04:02 PM | #2 |
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When you did your springs did you cut your spacers to the proper height? Also, is your front suspension super stiff? Can you bounce the forks?
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March 10th, 2014, 04:08 PM | #3 |
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I cut the spacers to make the new springs + spacers the same length as the stock springs + spacers.
I can compress the forks after I put them together on the ground, but it's pretty stiff on the bike. |
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March 10th, 2014, 04:10 PM | #4 |
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March 10th, 2014, 04:11 PM | #5 | |
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Quote:
http://faq.ninja250.org/wiki/How_do_...he_fork_oil%3F http://faq.ninja250.org/wiki/Removin...stalling_forks Otherwise, reduce the length of the spacers. That is what Keith Code is doing when adjusting the pre-load of the springs in this video; only that your bike has not an easy regulation: test and cut, test and cut, test and cut. Your springs should compress certain sag under the weight of the bike+rider.
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March 10th, 2014, 04:14 PM | #6 |
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What he said ^^^
Sounds like spacers are too big |
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March 10th, 2014, 04:15 PM | #7 |
Blind 250 Loving Whore
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Alrighty, back to more trial and error hah.
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March 10th, 2014, 04:15 PM | #8 |
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I had forks that would not compress once. Turned out that the shop had overfilled them during "service".
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March 10th, 2014, 04:16 PM | #9 |
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March 10th, 2014, 04:17 PM | #10 |
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Also did you drill the dampening rods?
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March 10th, 2014, 04:18 PM | #11 |
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March 10th, 2014, 04:18 PM | #12 |
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Please, re-read my above post; I just edited it and added two links.
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March 10th, 2014, 04:22 PM | #13 |
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March 10th, 2014, 04:42 PM | #14 |
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March 10th, 2014, 06:04 PM | #15 |
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I was just going to ask if you took into account the emulators and washers.
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March 10th, 2014, 06:17 PM | #16 |
Blind 250 Loving Whore
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So I cut the spacers down and there's no preload now. They're barely touching the bottom of cap after installed. Still the same crap. Its like the forks are too long or something. I can compress them both fully and they feel smooth.
Does anyone know how high the front should be stock? The forks stock were extremely soft, like I could just hold the front end to the ground before. And when I took them out and drained them there was hardly any oil in them both. So maybe what I think is stock height is actually really low? I'm calling it for a night, pissing me off. |
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March 10th, 2014, 06:18 PM | #17 | |
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Quote:
The only way I could imagine this happening would be if you didn't put the damper rod through the upper fork. That is the upper fork is hitting the top of the damper rod.
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March 10th, 2014, 06:21 PM | #18 | |
Blind 250 Loving Whore
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Quote:
This is why you need to do one mod at a time. I took the front apart then moved on and did the whole rear. By the time i started the front again the next day I totally gapped it. |
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March 11th, 2014, 01:46 PM | #19 |
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Just so everyone can see how much an idiot I am and so no one else does it. This is what the difference between putting the damper rod under or over the top fork does.
Thanks again Dino, lol. |
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March 11th, 2014, 04:53 PM | #20 |
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March 19th, 2014, 10:04 AM | #21 |
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@ForceofWill how much fork oil did you end up putting in?
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March 19th, 2014, 02:06 PM | #22 |
Blind 250 Loving Whore
Name: Tom
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I ended up going with 130mm 15wt. That's what racetech recommended with the GVE.
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