Author Topic: 450 forks 500 front wheel ??  (Read 6241 times)

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Offline Chrisgg90

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450 forks 500 front wheel ??
« on: August 03, 2016, 11:20:53 AM »
Hey guys,

I got a set of 2012 KXF front forks for my bike to fit the 1998 clamps I got. Will I be able to use the 500 front wheel along with the 450 wheel spacer or do I need to get a 450 front wheel ?

Thanks in advance

Offline alward25

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Re: 450 forks 500 front wheel ??
« Reply #1 on: August 03, 2016, 01:12:33 PM »
u will need the 450 wheel
"Let there be light"

Offline sandblaster

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Re: 450 forks 500 front wheel ??
« Reply #2 on: August 03, 2016, 06:14:58 PM »
mmmmm... I think at least one member is running the K5 wheel with his forks..
Ask Mojave...
The four stroke engine: That's one stroke for producing power and three for wearing the engine out.

Offline Chrisgg90

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Re: 450 forks 500 front wheel ??
« Reply #3 on: August 04, 2016, 03:18:09 AM »
I will do sandblaster. I've got the 450 axle and spacers they fit through the hub no bother with no play etc. Ill give it a go when fitting next week see how it goes and let you all know

Offline Chrisgg90

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Re: 450 forks 500 front wheel ??
« Reply #4 on: August 04, 2016, 03:18:55 AM »
u will need the 450 wheel

Did you do the convention what were the issues ?

Offline alward25

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Re: 450 forks 500 front wheel ??
« Reply #5 on: August 04, 2016, 05:17:14 AM »
custom spacers
"Let there be light"

Offline Mohave

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Re: 450 forks 500 front wheel ??
« Reply #6 on: August 14, 2016, 12:19:38 PM »
With 2008 KX450F forks and a 2008 KX450F front axle (with stock spacers and nut) you can use your stock wheel.  My wheel is from a 2002 KX500.  The forks bolt right up in the triples, and the axle fits the 2002 wheel fine.  Looking at the front of the bike you will take a stock 2008 spacer and put it on the axle on the right side.  It will put your 2002 wheel in perfect alignment.  When you install the stock 2008 spacer on the left side the axle will not come out enough on the right side to get very many threads on it with the stock axle nut.  You will end up machining the stock 2008 left side spacer (both 2008 spacers are the same length) and taking some off to get the axle to move to the right to pick up some threads. Make the nut flush with the axle bolt on the right side, you will be good.

You can also use your stock front brake caliper, but will need to take a little bit off where the caliper mounting points are.  Do not remove material from the fork side mounting points.  You can actually do this with a fine file and go slow.  Then your stock 2002 front rotor will sit right in the middle in your stock 2002 caliper.  If you do not remove some material the rotor is off too far to one side.  You will see what I mean when you bolt it all up.  I was actually going to have Sandblaster or a machine shop do my caliper, but it worked so good I just left it.  Have at least 20 engine hours on this setup, and it works great.

Normal disclaimers apply, and the years are different, Sandblaster may know if 2012 is the same as 2008 for triple, etc?  2012 probably has a better front brake, though I have never run out of front brake before.

Good luck, I will remember to check back if there are more questions.  PM me if you need help.

Offline Chrisgg90

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Re: 450 forks 500 front wheel ??
« Reply #7 on: August 30, 2016, 10:04:45 AM »
Thanks that's a great write up I'll give this a go