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RS250(NXA) forks


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atolldevil

 
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RS250(NXA) forks

Sat Sep 18, 2010 7:06 pm » Post: #1 » Download Post

is anyone know RS250(NXA) forks and triple clamp able to transplant on nsr250?
thanks
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Andy
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Sat Sep 18, 2010 7:16 pm » Post: #2 » Download Post

I have NX5 on my MC21... there is very little difference in the actual fitment between NX5 and NXA, though of course the brakes are different.

Tyga can supply a stem, top triple spacer, and top nut to swap for the RS items. You will need to machine off the lock-stops on the bottom triple and make new ones.

NX forks work incredibly well on the NSR. Even with my weight the NX5 forks needed no re-valving or oil weight change, and the adjustment is backed right off, so there's plenty of room to play with the settings.

The HRC forks weigh less than the NSR forks too.
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Hermit

 
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Sat Sep 18, 2010 9:56 pm » Post: #3 » Download Post

Andy wrote:The HRC forks weigh less than the NSR forks too.


Did you ever weigh the parts to see what the difference between standard and HRC was?

Do the HRC forks rob your steering lock like the RVF items?
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Andy
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Sat Sep 18, 2010 10:20 pm » Post: #4 » Download Post

Nope, never been that anal about how much weight something saves.

USD forks will always reduce the steering lock on the NSR, no matter what you use. Left lock isn't too bad, but right lock is seriously compromised by the radiator cap (unless you have an HRC rad!). A small price to pay though for vastly superior suspension.
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atolldevil

 
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Sun Sep 19, 2010 2:22 am » Post: #5 » Download Post

can i still use the NSR front wheel, brake disc and axle on NXA forks??
how about NXA rear shock?
i would like transplant RS front and rear shock, if they will fit on my NSR.
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Andy
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Sun Sep 19, 2010 3:26 am » Post: #6 » Download Post

I'm using an SP Magtek with my NX5 front-end, with NF5 cast iron disks, HRC calipers, NX5 axle, and MC18 spacers! It will all pretty much mix'n'match, but different wheels may need different spacers. Generally I've found you can fit the front's up with a mix standard parts (except for the stem etc.)

The NF/NX rear shock won't work on the NSR.
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atolldevil

 
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Sun Sep 19, 2010 5:33 am » Post: #7 » Download Post

Thanks Andy
I'm planning to have a NXA front end transplant on my NSR.
i have a MC21 SP and MC28 SE.
Which is the best one to have a NXA front end?
i feel my MC21 forks are very soft. i just have the forks oil(12.5wt) changed.
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Andy
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Sun Sep 19, 2010 9:57 am » Post: #8 » Download Post

Depends which bike you want to go fastest on!

There's nothing between the MC21SP and MC28SE forks except their age. It all depends on what you do with each bike. If you're racing, and your series allows it, then the HRC forks want to go on the race bike, but if you're just hanging out at the bike meet at Steak'n'Shake, then fit the forks to the bike you take there most often! Wink

Whichever you decide on, take the best conventional (RWU) SE/SP forks and use them on the other bike. Remember the calipers are different though!
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atolldevil

 
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Mon Sep 20, 2010 4:42 pm » Post: #9 » Download Post

Does anyone know if part# 41206-NXA-000 36T sprocket will it fit on either one of my NSR or both??

thanks
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