[mastermax7777]

pawn Код:

public OnPlayerStateChange(playerid, newstate, oldstate)
{
    new playersVehicle = GetPlayerVehicleID(playerid), playersSkin = GetPlayerSkin(playerid);
    if(48 < playersVehicle < 70 && (playersSkin != 286 || playersSkin != 287))
    {
        SendClientMessage(playerid,COLOR_RED,"LEAVE THIS VEHICLE ALONE!");
        RemovePlayerFromVehicle(playerid);
    }
    return 1;
}

edit: opps, forgot something.. try it now