2013 crf 450

I had the roller bearing on the top end of my 2013 crf 450 fail, have repalce the cam and rocker arm with a hot cams stage 1 , valve clearance is set ok , TDC is fin and all is installed correctly, have spark, have fuel, but bike will nto run, help

It's often mistaken to have the bike at the opposite of top dead center , when viewing the marks through the inspection holes they all line up , but the engine is on the wrong stroke, so the piston will be at the bottom not the top

Just double check that you haven't done that

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