Maintenance & Technical > KX500 Original
Swapping RM Forks
motopunk:
one of my friends had installed the 98- suzuki rm250-forks in his 87 cr500 ..
and here waits my new project wp extreme 50 forks from a 99 husaberg 501 for my 87 kx ...
actually installed is the 89/90 41mm usd- fork, that the bike came with as i bought it in spring2013.
the upper clamps are fortunally same size like the husaberg clamps with 50mm so i need only bushings for the lower clamps.that minimize the problem with steering stem , bearings and so on.front axle is also same size like older kx-wheels before 1993. i have also the brembo caliper , so i only need some modified spacers and a 260mm oversize brake disc for the kx-wheel. (ktm and husaberg use 260mm discs since the mid 90´s)
is an easy thing...
but before i can do this is i have my hospital project. thats my actual look after nose surgery on friday 29 for clearing my breathing problems..
motopunk:
--- Quote from: Enginerd on April 06, 2012, 06:59:03 AM ---
--- Quote from: The Flyin Hawaiian on April 05, 2012, 11:41:51 AM ---All the guys running the 49s out here are using spacers. One of them is a AA enduro rider and ISDE vet. There is even one guy that swears buy 88 43mm CR forks and runs them on his 2010 KTM, also a ex AA and ISDE vet. His spacers are HUGE!
--- End quote ---
This is good to hear. It gives me a bit more confidence that the spacers will be plenty safe.
--- End quote ---
enginerd, whats up? i can remember that you wanted to swap the 46mm fork of your ´89kx250 into the kx500... thats very easy and made in only one hour, without removing the front wheels. bearings are same size, same brake frontwheel and so on... 8-)
sandblaster:
I love bike projects :-)
I hate hospital projects :x
Heal fast my friend...
Enginerd:
--- Quote from: motopunk on December 04, 2013, 04:00:03 PM ---Enginerd, whats up? I can remember that you wanted to swap the 46mm fork of your ´89 KX250 into the KX500... thats very easy and made in only one hour, without removing the front wheels. bearings are same size, same brake frontwheel and so on... 8-)
--- End quote ---
You have a good memory! I do have a complete 1989 KX250 front end with the 46mm KYB forks. This will be a direct swap, like you said. I like this idea because it would be so simple. However, I also have a complete 1996 RM125 front end with 49mm Showa forks as well. These would probably be better forks, but not as easy a swap. I just don't know which way to go. I've also been talking with Sandblaster about adapting a late model KX250F front end into the old K5. I have too many choices! :-D
motopunk:
--- Quote from: sandblaster on December 04, 2013, 05:18:02 PM ---I love bike projects :-)
I hate hospital projects :x
Heal fast my friend...
--- End quote ---
thanks mike :-D ..but now are my breathing problems gone forever. :mrgreen:
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