| Yamaha WR 450 F | 5TJ6 | CJ04W | CJ04W-007153 | - | 2004 | 1 | 52,5/40,8 BHP, 38,6/30 kw |
| Yamaha WR 450 F | 5TJ9 | CJ07W | CJ07W-000101 | - | 2005 | 1 | 52,5/40,8 BHP, 38,6/30 kw |
| Yamaha WR 450 F | 5TJC | CJ09W | CJ09W-000101 | - | 2006 | 1 | 52,5/40,8 BHP, 38,6/30 kw |
| Yamaha YFZ 450 | 5D3P | AJ20W | AJ20W-008669 | - | 2009 | 1 | 49 BHP, 36 kw |
| Yamaha YFZ 450 | 5D3R | AJ20W | AJ20W-008839 | - | 2009 | 1 | 49 BHP, 36 kw |
| Yamaha YFZ 450 | 5D3P | AJ20W | AJ20W-008669 | - | 2010 | 1 | 49 BHP, 36 kw |
| Yamaha YFZ 450 | 5D3R | AJ20W | AJ20W-008839 | - | 2010 | 1 | 49 BHP, 36 kw |
| Yamaha YFZ 450 | 5D3P | AJ20W | AJ20W-008669 | - | 2011 | 1 | 49 BHP, 36 kw |
| Yamaha YFZ 450 | 5D3R | AJ20W | AJ20W-008839 | - | 2011 | 1 | 49 BHP, 36 kw |
| Yamaha YFZ 450 SE Special Edition | 5D36 | AJ20W | AJ20W-004316 | - | 2007 | 1 | 49 BHP, 36 kw |
| Yamaha YFZ 450 SE Special Edition | 5D3A | AJ20W | AJ20W-006178 | - | 2007 | 1 | 49 BHP, 36 kw |
| Yamaha YFZ 450 SP Special Edition | 5D3G | AJ20W | AJ20W-007248 | - | 2008 | 1 | 49 BHP, 36 kw |
| Yamaha YFZ 450 SP Special Edition | 5D3L | AJ20W | AJ20W-008146 | - | 2008 | 1 | 49 BHP, 36 kw |
| Yamaha YZ 450 F | 5XD2 | CJ05C | CJ05C-000112 | - | 2004 | 1 | 60 BHP, 44 kw |
| Yamaha YZ 450 F | 5XD6 | CJ06C | CJ06C-000101 | - | 2005 | 1 | 60 BHP, 44 kw |