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2013 crf 450

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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

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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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