What is the lower diameter fork difference. If it is 1mm out it would cause stiction in the fork. If you put a fork leg in a vice and slid the lower up and down with the springs out, you would know what I mean.
The KTM front brake rotor is smaller than the gasgas so putting the front wheel in will mean you have to sort out a caliper adaptor too.
I run twin chamber Showas in my gasgas. The front wheel fitted with some new bearings and spacers. I had to shim the sachs triple clamps to fit the forks.
The new CRF450R 09 onwards forks (48mm) are the same outer leg diametre as the sachs top and bottom triple clamp.
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EC300 2019 (11 Gassers owned, many more to go)
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