engine noises

just picked up my first bike, 02 750, got a loud ticking when cold coming from what i can tell is the upper part of the head/valve area. once the engine is warm is gets alot quieter so thinking of just swapping in some 20w50 to quiet it down. the previous owner had put a Manuel cam tensioner in...

Hi, Can someone please watch this video of the engine running and tell me if the engine sounds normal or if you hear any knocking or rattling? Also, please pay special attention to the weird noise when the video pans up to the handlebars and brings the RPM and Speedometer gauges in to view...