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2002 Yamaha r6
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Okay so I have a 2002 r6 with 28k miles. I just replaced coils, plugs, timing chain tensioner with a manual tensioner, checked my valve clearance (they were just a hair tighter than spec) and put a 170 jet kit In the carbs. Everything is running good on stock carb adjustments though and I don’t get it. Full rpm. A good bit more power both on top end and acceleration and even on mid range. No stutters or dead zones. I haven’t got to pull the plugs to check if it’s lean or rich but it runs great as is and it just doesn’t seem right. It also has had a rattle at idle ever since I’ve had it and I’m not sure what it could be. Any thoughts? The rattle seems to be heard on both sides of the bike but not necessarily in the valve cover. Almost in the trans mission. But unlike a lot of 02 it doesn’t have the second gear slip or anything. I’m just concerned because I feel like I did something wrong or like I just don’t notice what’s wrong if something is.
 
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