What's the best season ever for an AMA rider?

2011: RV wins AMA SX, MX, MXoN and Monster Million 2101 votes - 24.8%

2010: Dungey wins AMA SX, AMA MX, MXoN 322 votes - 3.8%

2005: RC Wins AMA SX, AMA MX (and all 12 overalls), MXoN and US Open 5063 votes - 59.9%

1991: Jean-Michel Bayle becomes only rider to win AMA 250 SX, 250 MX and 500 MX titles in one season. Also wins Paris-Bercy SX 851 votes - 10.1%

1989: Jeff Stanton wins AMA 250 SX and MX, MXdN 22 votes - 0.3%

1986: Rick Johnson wins AMA 250 SX and 250 MX, MXdN 34 votes - 0.4%

1985: Jeff Ward wins AMA 250 SX and 250 MX, and MXdN 19 votes - 0.2%

1983: David Bailey wins AMA 250 SX and MX, MXdN 45 votes - 0.5%