Exactly Clarkie!

If you measure your offset (ooer), it is still 35mm. I don't know what the RVF offset is (perhaps fontyy can help) but the Jha yokes keep everything the same as the NSR. The RVF forks are also the same length from the top face to the centre of the wheel spindle as the NSR - 710mm.
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NSR300R - Why did i ever have a 250...