At various RPM's and gear loads I get rattling and pinging noise from the engine. Never at idle. It is not the traditional klacker's noise and my Indian sales man since 2017 rode it and decided it probably is warn rockers. After researching I'm hoping it is only a warn and loose chain tension-er. Think I might replace/upgrade the chain tension-er first. I have the 2016 Chieftain with stage 2 cams. Over 40 K on engine. Info on weather that might do it and also when I take off the cover over the cam and gears to inspect it. I suppose I will need a new cover gasket before putting it all back together after the inspection. Also any feed back on replacing the rockers only or do the full Big Bore kit. Nearly the same amount of shop hours but $6K is lots of money in I don't need it.