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Lots of mc18 rk5 questions


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Phatmc28

 
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Joined: 09 Jan 2005

Location: Australia
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Lots of mc18 rk5 questions

Tue Oct 03, 2006 4:08 am » Post: #1 » Download Post

I previously had an mc28, but now i got an mc18 rk5 for a steal, my questions are

1)how do i fit a mc21 17" rear wheel is it a straight fit, do i need to make the hrc link for the rear suspension
2)mc21/28 front suspension does it fit
3)if not does the front wheel


4)just to clarify, i do the wire splice as per the mc21
5)do mc21 reed assembles fit straight in ,ie hrc/tyga reeds and stuffer's
6)how do i fit a mc21 dry clucth gearbox, is it just remove the gearbox cassete and fit the 21 in

i tried searching but got no definant answer
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Andy
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1991 Honda NSR250 MC21
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Tue Oct 03, 2006 10:27 pm » Post: #2 » Download Post

1) I seem to recall the MC21 wheel is a direct replacement. You will lose 1/2" of ride height though, and the MC18 is a bit low to start with, so the F3 link plates are a very good idea. Not only do they raise the suspension, but they also increase the suspension's "rising rate".

2) Forks are a direct replacement. All MC18, 21, and 28 forks are 41mm. Just slide the forks in. Use the corresponding axle and spacers. If using MC28 forks, use the MC28 calipers too. Don't understand why you want to change them though, unless it's for SE/SP stuff of course!

3) Front wheels are effictively all the same from R2J onwards.

4) Yes!

5) MC21 reed assemblies will go, but you will either need to very carefully trim the MC18 manifold or fit an MC21 inlet manifold. You'll understand why as soon as you take it off!

6) Pretty much! It's pretty self apparent when you have all the bits ready to go!
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