new 450r crank, side to side movement?

hey, im in the middle of a rebuild with my 2005; i just put the two halves together and i noticed that my new crank slides from side to side about 1mm. i dont remember if the crank that i took out moved like this. is this play taken out when i tighten on the primary drive gear?

Moving is normal but 02-03 manual says side clearance 0.30-0.55mm (0.01-0.02) and service limit 0.7mm (0.03).

Tighten up and measure it.

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