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Help Me Fix It A great place to post any problems you may be having while working on your motorcycle. Most of us are do-it-yourselfers so this is a great way to share any information pertaining to fixing something or adding something on.


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Old 10-25-2006, 10:42 PM   #1 (permalink)
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Default zx7r suspension setup

hi all
looking for good suspension setup for my 98 zx7r 750p. i weight about 90 kg and have been plaing with the setup but the rear never seems to be right. any ideas.
also thinking about installing dynojet kit but not sure if it is worth it. Any ideas on mods for my bike.
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Old 10-25-2006, 11:51 PM   #2 (permalink)
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They don't seem to list suggested settings for your bike in the last section, but this may prove useful:

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Old 10-26-2006, 12:41 AM   #3 (permalink)
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first off, set your sag for your riding weight ie how much you weight with your helmet, gloves, suit, boots on. 30-35mm sag up front and 25-30mm sag in rear is a good place to start. some chassis, like mine, like to ride a little deeper in the suspension travel than others. just something you learn. A general idea of preload is that if you press down on the bike in the middle (like at the back of the tank) both ends should compress equally and together.

Follow the above posted guide to how to set sag and then go from there. There's a lot of test and tune on rebound and compression. You generally want rebound set so that when you compress on either end it rebounds to the original position but doesn't go any higher and then sink back down. If that happens, you need to up the damping some. If it takes forever to nudge back up to the original postion, take out some damping. Compression is half a comfort feel and other half traction, but again they both take a bit of test and tuning.
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Old 10-26-2006, 01:38 PM   #4 (permalink)
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When I built that bike into a superbike on the factory team.........we had the 96 frames with the adjustable swingarm pivot but Ill give you this much........ours were set so the axle was roughly 450mm off the ground if I remember correctly..........so somewhere around that. Take a couple shims and put them inbetween your shock clevis and your frame.....to raise the ass up.

Drop the front so you have about 10mm of fork showing out the top of the clamps.............If its too much the bike is going to spin the back tire a bit easily.

Next you need .95 kilo springs for your weight...........

Id get the shock replaced the stocker is shit.........seriously its garbage.

Dont get the dyno jet kit use the FACTORY BRAND TUNING KIT with new emulsion tubes.

Get rid of that boat anchor you call an exhaust while your at it.

Keep the stock airfilter, there is no performance one that works better.
cause rascus said I had to.........
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