Hey guys! So I just bought an '05 600RR with just under 10k miles. I got a good deal on it because it's got a loud ticking coming from the engine. I'm hoping you guys can help me diagnose what exactly is causing the ticking. Here's a video where you can hear it:
It's a pretty loud ticking, and it increases with revs. It's not 100% consistent though. When it's idling, sometimes it won't tick at all for a minute. When it is ticking, there doesn't seem to be a discernible pattern to it (at least not that I noticed). The sound itself seems to be coming from the top right of the engine, but I'm not 100% sure about that.
From my research, there are a few things that I've read it could be: valves, CCT, connecting rod bearing, or exhaust leak.
I don't think it's an exhaust leak, because the pipes are in good shape and I blew some smoke around it and the smoke wasn't disturbed. I also don't think it's the connecting rod bearing, because it seems to be coming from the top of the engine (though I could be wrong).
That leaves valves or CCT. But, I was under the impression those went bad after a number of miles, while this only has 9.5k miles. The guy I bought it from said it was running fine, and then this sound suddenly started happening. He also said he thinks there may have been a small loss in power when the sound started happening.
So, I'm hoping you guys can give me some advice on what the problem is and how to fix it! Any help is greatly appreciated!