No problem Innist, I sit with the same situation. The previous owners never kept any form of history or log about the bike and parts being fitted and what not. This bike came into the country about 4-5 years ago.

Until now no one has ever ridden it properly, it's been to the track twice in the past 4-5 years and the rest of the time she was just standing in some bloke's garage getting full of dust. The first owner also mentioned that he never could get the bike to handle properly, when I looked at the bike now and measured the geometry I noticed that it was way way off from standard spec. E.g The rear ride height should be around 488mm, theirs was 540mm Same goes for the front...

I have no idea of how many miles the crank has done, but as the same in your case everything feels and looks fine. The pistons however have serious blow by and the rings are way way out of spec...0.63mm gap. I think if I would have just gone to the track with the bike as is then it would have most probably threw a ring or something.

Luckily I do have a new spare set of barrels and a very low mileage crank from an NXA.

I have also read about folks in the US who Teflon coat the pistons and TiNi the rings which then lasts almost triple the mileage compared to OEM with no incidents. They also don't run them in as per the norm/manual, I think they do something stupid like two warmup laps and then from there is full on.

Samba Pipes : Do you have any dyno graphs or something which you can show us how they compare to stock pipes ?