So we just got back from 6 days of riding in the mountains and my M7 was pulling hard right until 7150 RPM and then it was just like someone pulled a plug wire off, I thought it was getting to much fuel being so high but then all of a sudden I had a brain wave and thought its like my intake is plugged so we stop and i check the snorkel part of the air intake, and what do you know about one third of it was pushed in so it wasn't getting enough air at full throttle. So keep that one in mind fellas it might save a trip for you.