Author Topic: KX 250 /450 fork size  (Read 2125 times)

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Offline William Doe

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KX 250 /450 fork size
« on: October 08, 2014, 04:42:10 PM »
Can anyone tell me what size the forks (diameter) should be in a 1974 KX 250 and a 1974 KX 450

Thanks
Its only old bike racing FFS get over yourselves





The Artist formerly known as TM Bill

Offline Ted

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Re: KX 250 /450 fork size
« Reply #1 on: October 08, 2014, 07:33:35 PM »
Would that be the " popular belief size " or the " only known by a select few, back room done deal, secret society size "

Either way I have N.F.I.
81 YZ 465 H   77 RM 125 B

Offline mick25

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Re: KX 250 /450 fork size
« Reply #2 on: October 08, 2014, 07:55:27 PM »
Shows 36mm for the 250 still looking for the 450 size I say they will be the same as the 250

oldfart

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Re: KX 250 /450 fork size
« Reply #3 on: October 08, 2014, 08:10:51 PM »
kx 250 .... 36mm below bottom triple with 34mm to top triple.

Offline JC

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Re: KX 250 /450 fork size
« Reply #4 on: October 08, 2014, 08:40:18 PM »
and 34mm for KX450, Bill

Offline William Doe

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Re: KX 250 /450 fork size
« Reply #5 on: October 09, 2014, 09:04:35 AM »
Thanks team  :) I have 36mm reducing to 34mm in my 250 as Stewy said .

I bought a couple of sets of 450 forks for projects and was surprised that they were only 34mm.

The bottoms are unique due to the small brake lug on both .

I was wondering if my 250 had the wrong forks , but it seems to be all good  :)
Its only old bike racing FFS get over yourselves





The Artist formerly known as TM Bill

Offline 211

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Re: KX 250 /450 fork size
« Reply #6 on: November 05, 2014, 09:01:33 PM »
74 250/450 are the same crap - that combined with a destruct at any moment backing plate makes them worth only a museum display.