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zxr400 swinging arm

Posted: Wed Jul 16, 2008 11:38 am
Author: noelmcguinnessz900
has anybody out there in zedland tried fitting one of these to a z900/1000 will it fit ?how big a job is it? any information appriciated any pics? cheers

Posted: Wed Jul 16, 2008 1:46 pm
Author: chrisNI
It looks fairly similar to the bigger zrx arm but I'd imagine it's a bit smaller rather than being identical. If it is smaller it should go in easily, the big one needs a little encouragement but isn't too bad. You'll probably need to get sleeves/spacers made up for the pivot depending on the various sizes involved, and you'll most likely need to make new longer top shock mounts to let you move the shocks out. If you put the zrx wheel in you'll need to sort out chain alignment and have a matching front wheel.

Posted: Wed Jul 16, 2008 2:03 pm
Author: Pasc
I've got a zxr750 J (1992 I think, J reg) swingarm here with pivot spindle so if you need any measurements just shout. Or if you want the arm you can have it for £20 plus postage.

Posted: Wed Jul 16, 2008 4:46 pm
Author: chrisNI
Sorry I thought you said zrx not zxr... The zxr arms are generally wider across the spindle - anyone I've seen putting a 750 in has either widened the frame or had the arm taken down. I would have thought that the baby one would still be too wide but I don't know. The other stuff about shock mounts etc still applies assuming you're staying twin shock as oppoosed to going monoshock, which'd be a whole other ballgame.

zxr 400 swinging arm

Posted: Mon Jul 21, 2008 5:11 pm
Author: noelmcguinnessz900
cheers pasc can you tell me the measurements of the width of the arm at the pivot and the diameter of the spindle much appreciated cheers noel

Posted: Thu Jul 24, 2008 6:09 pm
Author: Pasc
Noel, sorry for the delay. Work keeps getting in the way of important stuff.
The width of the swingarm at the pivot casting is 256mm.
There are then two top hat style spacers, one at each side of the pivot that once fitted bring the total width of the arm at the pivot to 264mm.
The spindle itself is 25mm.
Hope this helps,
Pasc.

zxr400swinging arm

Posted: Sat Jul 26, 2008 8:52 am
Author: noelmcguinnessz900
thanks for that pasc its a bit big i got measurements from a 400 yesterday and i think it might just slot in [or fit with relatively little work ] but thanks forthinking of me cheers noel