The sealed packet it came in listed 16+ so unless it was bagged incorrectly !
So far MSS have claimed,
1) The engine has moved in the frame (brand new bike)
2) Heat cycles of engine running have caused the difference
3) Running in the engine on a Dyno could cause it ( again it’s a new bike that’s not been on a dyno, yet)
4) They have sold thousands and never had a problem before.
Fortunately my mechanic is not willing to ‘Bodge’ it and is ‘guessing’ the welded section has not been welded in the correct position thus the misalignment. Hence a