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Old 11-10-2014, 06:29 AM   #1
wiseblood OP
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How big is your front axle? (2002 400 EXC)

Does anyone know the diameter of the 2002 KTM 400 EXC OEM front axle?

I'm hoping the answer is "20 mm."

Here's the reason I'm asking: I had a 2002 400. I sold it and bought a 2003 525. For the 400 I had SM wheels, which I'm finally getting around to mounting on the 525. Rear goes on fine, but the FRONT wheel is set up for a 20mm axle, and my 525 has a 26 mm.

Two possibilities are:

1. KTM changed the diameter size from 2002 to 2003 to 26 mm (from 20).
2. Previous owner of my old 400 EXC changed the axle size.

I need to know because I want to convert the front to a 20 mm axle using the "AXLE REDUCTION KIT", and I can't tell from the fiche if the 2002 axle is 20mm.

Thanks!
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Old 11-10-2014, 08:23 AM   #2
wsmc831
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2003 and up are 26mm.
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Old 11-10-2014, 09:26 AM   #3
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Quote:
Originally Posted by wsmc831 View Post
2003 and up are 26mm.
Thanks!!

So, am I correct to assume 2002 EXC used a 20mm?
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Old 11-10-2014, 10:51 AM   #4
Navin
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Yep, a few back, before the 43mm inverted forks it was ...17mm I think. 2000-02 is 20mm.
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