Jeremy McGrath holds the coveted record of the most combined AMA Supercross and Motocross victories with 89 career wins.
The Honda CR 250 last year in production was 2007. It was considered the best bike it Supercross racing and won 15 championships in the Supercross series.
The Boston Celtics won the most NBA championships. They won 17 NBA Titles (
The Yankees have won the most championships in sports. They have won 27 World Series. The Lakers have won 16 NBA championships.
UCLA has won 11 NCAA mens championships. Tennessee has won 8 NCAA women's championships.
The Boston Celtics won the most NBA titles with 17 championships. The Lakers have the second most with 16 championships.
The UCLA Lady Bruins have won the most National Championships in Collegiate Fastpitch Softball...I believe they have won 25 or 26 National Championships.
Yogi Berra won the most championships as a New York Yankee with 10.
Yogi Berra won the most World Series championships as a player with 10.
Just about everything on a national level you can win on his way to capturing Lites Outdoor and Supercross championships. After moving to the big bikes he won seven AMA Motocross titles (2 perfect seasons 24-0) while collecting five AMA Supercross titles, one FIM World Supercross title, three US Open Supercross wins, three MX Des Nations championships and two X Games Gold Medals (one for MX and one for Step Up).
The Boston Celtics have won the most championships. They have won 17. And the Lakers come n 2nd with 16.
Total, they have won 21 National Championships and rank anywhere from #7 to #11 in the nation for the most Championships obtained.
Doug Henry won the first supercross event on a 4 stroke in 1997 at the Las Vegas Supercross. However, it was Ricky Carmichael won the first supercross title aboard a 4 stroke for Suzuki in 2006.