Hi "sand300", and welcome to NSR-WORLD.
The NS400 is very underrated, I think. Probably because it was never released as a 500 version here alongside the RD and RG, but I know the handling for the time was very good, and the motor extremely smooth.
Would love to see/hear more about the NS250. I've never actually seen on in real life.
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Andy.
NSR-WORLD.COM
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