At 65-70 I’m hitting almost 5k rpm. Feels a bit too much vibration and as if it’s pushing to hard. It also does a little bucking at lower speeds as well. My speedometer isn’t solid. It bounces a little when crushing. Takes off after I get out of first like a bat out of hell. I have a 260 tire, Thundermax tuner and a true dual exhaust. I’m not sure what’s off but something is. Any advice is welcomed and appreciated.