Lowered the bike, Now....... - TwoWheelForum: Motorcycle and Sportbike forums
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post #1 of 24 (permalink) Old 09-22-2006, 08:03 PM Thread Starter
 
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Lowered the bike, Now.......

OK so I lowered my zx9r 1/2 inch, no big deal. The problem I have is now my chain strikes the plastic chain guide at the front of the swing arm. I have tightened the chain and the only way I can get it to stop hitting is with the chain tight, to tight. I have it adjusted with about 1/2 inch slop now which I feel good about but the noise it makes drives me NUTS. It only makes the slapping noise when I coast. Any thoughts? Can I take it off? No?
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post #2 of 24 (permalink) Old 09-23-2006, 08:46 AM
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Do not take it off... instead of that piece of plastic would be your chain smacking the swingarm then!

How did you lower the bike a 1/2?

Dog bones? If so did you pull the fork tubes up thru the tripples as well?

You have to be carefull with the bike's geometry...




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post #3 of 24 (permalink) Old 09-23-2006, 10:03 AM Thread Starter
 
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Yes, Dog Bones I CNC'd out a set that are adjustable. I know from center to center of each hole it's a 1\2inch.

Yes I pulled the fork tubes up as well 1/2 inch. I took off the guide last night to have a look see and from what I can see I have lost of room between the chain and the swing arm but with what you have to say I may throw it back on but before I do maybe shave some of the plastic off.
Thanks for your thoughts.

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You have to be carefull with the bike's geometry...
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post #4 of 24 (permalink) Old 09-23-2006, 10:36 AM
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You might have to lower the front more...




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post #5 of 24 (permalink) Old 09-23-2006, 10:42 AM
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I cant imagine 1/2" lower being enough to cause this. Your suspension moves more than that during normal ridding.

Is the chain still good? If it has tight spots, it will slap more. Clean, lube it well and re-inspect it. Then report back to us.

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post #6 of 24 (permalink) Old 09-23-2006, 10:43 AM
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Good Call Jeeps...REP!




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post #7 of 24 (permalink) Old 09-23-2006, 10:51 AM Thread Starter
 
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I have not replaced or peformed a good inspection of the chain, I have lubed it up but it does look to me that I could use a new one it has some surface rust on the links but the rollers<- ? don't look bad. I'll go home after work and soak it real good go for a spin and report back. As far as inspecting it off the bike I don't think I can get it off with out a special tool, something to drive out the pin.
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post #8 of 24 (permalink) Old 09-23-2006, 11:56 AM
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If its stock its a endless chain... you can't remove it without cutting it. Then you might as well get a new one... but we aren't sure that is the problem either...

Where do you live? Near 1badcbr?

Further... if you are looking at doing a chain job I suggest what I did to my 9R... clicky (I guess I need to edit the pics due to the gallery screw up a few upgrades ago) I PROMISE YOU'LL LOVE IT!! You have my word!




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post #9 of 24 (permalink) Old 09-23-2006, 02:43 PM Thread Starter
 
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Ya it looks like it's stock. The guy who had it before me put a new Vortex (452-44) on the rear 2+ he had not installed the front yet. So if I go 1 down in the front what all do I need to do to complete this 520 you speak of? I was/am going to put off a new chain till the winter I've see some with green links that's the way I would like to go. So back to this 520 conversion.

Not sure where 1bad is, I think he is in Georga. I'm in Indy North of.

Before I forget I think I found the problem. The problem was the chain guard on the fender, I got out a flash light and looked under the guard and could see where it had made contact. I got out the dremo and made the mounting holes a little longer in the fiber glass guard so I moved it up a little and now all should be well. Thanks to all for the suggestions. 520?520?520?
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post #10 of 24 (permalink) Old 09-24-2006, 12:24 PM
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520 or 525 or 530

The is the size in width/girth of the chain. The bigger the number the bigger the chain and therefor the more heavy duty... but the important part is that the bigger it is... the more it weights and the more power you are loosing from the motor to the rear wheel.

Especially on a 600cc bike there is no reason for anything larger than the 520.

What do you need to do to change it? You need to swap out the chain and the sprockets AGAIN!




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post #11 of 24 (permalink) Old 09-24-2006, 12:56 PM Thread Starter
 
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I'll keep the Vortex for now.

With that said you suggested it really helps on the 600's, is it safe to say the 520 on my bike wouldn't really help.

Thanks Gas man I'll catch on soon
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post #12 of 24 (permalink) Old 09-24-2006, 01:12 PM
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Quote:
Originally Posted by wingnut View Post
I'll keep the Vortex for now.

With that said you suggested it really helps on the 600's, is it safe to say the 520 on my bike wouldn't really help.

Thanks Gas man I'll catch on soon
It helps on all bikes. The smaller ones just show more benefit on a dyno.

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post #13 of 24 (permalink) Old 09-24-2006, 01:34 PM Thread Starter
 
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OK good to know jeeps
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post #14 of 24 (permalink) Old 09-24-2006, 01:48 PM
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Quote:
Originally Posted by wingnut View Post
I'll keep the Vortex for now.

With that said you suggested it really helps on the 600's, is it safe to say the 520 on my bike wouldn't really help.

Thanks Gas man I'll catch on soon
Yep... I did it on my 9R... old non-working pics thread




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post #15 of 24 (permalink) Old 09-24-2006, 01:51 PM
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Its always on the top of my mod list for I never like the stock gearing. Make the change when changing the gearing.

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post #16 of 24 (permalink) Old 09-24-2006, 03:30 PM Thread Starter
 
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With what I have (Vortex+2) in the rear when I drop one in the front what can I expect?
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post #17 of 24 (permalink) Old 09-24-2006, 04:17 PM
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That will be slightly more than what the change was from stock to the +2 in the rear.

-1 front = +3 in the rear




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post #18 of 24 (permalink) Old 09-25-2006, 06:45 AM Thread Starter
 
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so 3 up in the rear is what you guys do?
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post #19 of 24 (permalink) Old 09-25-2006, 06:51 AM
 
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Most guys drop 1 in the front...and 2 in the rear.



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post #20 of 24 (permalink) Old 09-25-2006, 11:49 AM Thread Starter
 
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Cool I'm good then.
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