Youthstream has released the 2006 FIM Motocross World Championship MX1 and MX2 riders' numbers list.
In the MX1 class the multi time World Champion Stefan Everts will keep his famous #72 plate.
In the MX2 class (125cc) the World Champion Antonio Cairoli will run the # 1 plate.
Stefan Everts
Antonio Cairoli
| M X1 | MX2 | | Number | Name | Number | Name |
| 72 | EVERTS Stefan | 1 | CAIROLI Antonio |
| 2 | COPPINS Joshua | 4 | CAPS Patrick |
| 4 | MELOTTE Cedric | 5 | CHIODI Alessio |
| 5 | PICHON Mickael | 6 | POURCEL Christophe |
| 6 | LEURET Pascal | 7 | SEGUY Luigi |
| 7 | BARRAGAN Jonathan | 8 | NUNN Carl |
| 8 | JRGENSSEN Brian | 9 | BOISSIERE Anthony |
| 9 | DE DIJCKER Ken | 10 | GONCALVES Rui |
| 10 | NOBLE James | 11 | TARROUX Jremy |
| 11 | RAMON Steve | 12 | GUNDERSEN Kenneth |
| 12 | LEOK Tanel | 14 | DE REUVER Marc |
| 13 | CROCKARD Gordon | 15 | NAGL Maximilian |
| 14 | THEYBERS Danny | 16 | RATTRAY Tyla |
| 15 | PYRHONEN Antii | 17 | LEOK Aigar |
| 16 | AVIS Wyatt | 18 | BONINI Matteo |
| 17 | BOBKOVS Aigars | 19 | PHILIPPAERTS David |
| 18 | SALVINI Alex | 20 | MONNI Manuel |
| 19 | LOZANO Alvaro | 21 | SWAENEPOEL Gareth |
| 20 | JELEN Roman | 22 | CHURCH Tom |
| 21 | DOBES Josef | 23 | SEISTOLA Matti |
| 22 | HUCKLEBRIDGE Mark | 24 | RENET Pierre Alexandre |
| 23 | MASCHIO Mickael | 25 | ANNELOT Rmy |
| 24 | STRIJBOS Kevin | 26 | POURCEL Sbastien |
| 25 | BILL Julien | 26 | SCHIFFER Marcus |
| 27 | GARCIA VICO Javier | 28 | AUBIN Nicolas |
| 30 | NORLEN Marcus | 29 | BOOG Xavier |
| 36 | PRIEM Manuel | 30 | LOIC Jean-Leonce |
| 40 | DOSTAL Jiri | 31 | MANUEL Estannis |
| 70 | LINDHE Jonny | 32 | CAMPANO Carlos |
| 74 | SWORD Stephen | 33 | MILLAN Francisco J. |
| 75 | VAN DAELE Marvin | 34 | SIMPSON Shaun |
| 77 | EGGENS Eric | 35 | PROBERT Scott |
| 78 | VERHOEVEN Bas | 36 | CARLSSON Johan |
| 103 | TORTELLI Sebastien | 37 | SMOLA Frantisec |
| | | 38 | MICHEK Martin |
| | | 39 | RICCI Simone |
| | | 40 | MOSSINI Fabio |
| | | 46 | DOUGAN Jason |
| | | 66 | VAN HOREBEEK Jeremy |
| | | 69 | WING Jonas |
| | | 74 | BANKS-BROUWNE Eliot |
| | | 77 | TERREBLANCHE Shannon |
| | | 99 | BOBRYSHEF Evgeny |
| | | 101 | SEARL Tommy |
| | | 211 | MACKENZIE Billy |
| | | 250 | GUARNERI Davide |