in this case, you do not need an OSAGO policy, because it is needed in order to pay money to the victim in case of your fault in an accident.

But the fact that the car is not insured (CASCO) is bad, because if you don’t have enough OSAGO limit to restore it, then the rest of the money will have to be won from him through the courts.

But you will still be punished:

Article 12.37. Failure to comply with the requirements for compulsory civil liability insurance of vehicle owners

(introduced by Federal Law No. 41-FZ of April 25, 2002)

1. Driving a vehicle during the period of its use, which is not provided for by an insurance policy of compulsory civil liability insurance of vehicle owners, as well as driving a vehicle in violation of the conditions provided for by this insurance policy for driving this vehicle only by the drivers specified in this insurance policy -
shall entail the imposition of an administrative fine in the amount of five hundred roubles.

2. Failure by the owner of a vehicle to fulfill the obligation established by federal law to insure his civil liability, as well as driving a vehicle, if such compulsory insurance is known to be absent -
shall entail the imposition of an administrative fine in the amount of eight hundred roubles.

(as amended by Federal Laws No. 116-FZ of 22.06.2007, No. 196-FZ of 23.07.2013)

And besides this punishment, there will also be this:

Article 27.13. Detention of the vehicle, prohibition of its operation

(as amended by Federal Law No. 69-FZ of April 21, 2011)

1. In case of violations of the rules for operating a vehicle and driving a vehicle of the corresponding type, provided for in part 1 of Article 11.8.1, Articles 11.9, 11.26, 11.29, part 1 of Article 12.3, part 2 of Article 12.5, parts 1 and 2 of Article 12.7, parts 1, 3 and 4 of article 12.8, parts 4 and 5 of article 12.16, parts 3-4, 6 of article 12.19, parts 1-3 of article 12.21.1, part 1 of article 12.21.2, article 12.26, part 3 of article 12.27, part 2 of article 14.38 of this Code, the detention of the vehicle is applied, that is, the exclusion of the vehicle from the process of transporting people and goods by moving it with the help of another vehicle and placing it in the nearest specially designated guarded place (to a specialized parking lot), and storing it in a specialized parking lot until the cause of detention is eliminated . If, due to the technical characteristics of the vehicle, it is impossible to move it and place it in a specialized parking lot in the event of an administrative offense provided for in part 1, 2 or 3 of article 12.21.1 or part 1 of article 12.21.2 of this Code, the detention is carried out by stopping the movement with the help of blocking devices . If the vehicle, in respect of which the decision on detention has been made, creates obstacles for the movement of other vehicles or pedestrians, it may be moved before the start of the detention by driving the vehicle by its driver or persons specified in part 3 of this article, in the nearest place where this vehicle will not create such obstacles.
(as amended by Federal Laws No. 31-FZ of 02.04.2012, No. 98-FZ of 07.05.2013)
2. In case of violations of the rules for operating a vehicle and driving a vehicle, provided for in Articles 8.23, 9.3, part 2 of Article 12.1, Article 12.4, parts 2-7 of Article 12.5, article 12.37 of this Code, the operation of the vehicle is prohibited, while state registration plates are subject to removal until the reason for prohibiting the operation of the vehicle is eliminated. It is allowed to move the vehicle, except for the cases provided for in Article 9.3 and Part 2 of Article 12.5 of this Code, to the place of elimination of the reason for the prohibition of operation of the vehicle, but not more than within a day from the moment of prohibition of operation of the vehicle. After the elimination of the reason for the prohibition of the operation of the vehicle, the state registration plates are returned to its owner, the representative of the owner or the person who has the documents necessary to drive this vehicle.
(as amended by Federal Laws No. 116-FZ of 10.07.2012, No. 252-FZ of 25.12.2012)
3. The decision to detain a vehicle of the appropriate type, to prohibit its operation or to terminate the said detention and prohibition shall be made by officials authorized to draw up protocols on relevant administrative offenses, and in relation to a vehicle of the Armed Forces of the Russian Federation, internal troops of the Ministry of Internal Affairs of the Russian Federation, engineering and technical, road construction military formations under the federal executive authorities or rescue military formations of the federal executive authority authorized to solve problems in the field of civil defense, as well as officials of the military automobile inspection. The said officials draw up a protocol on the application of an appropriate measure to ensure proceedings in a case of an administrative offense.
4. The protocol on the detention of the vehicle or the protocol on the prohibition of the operation of the vehicle shall indicate the date, time, place, grounds for the decision to detain the vehicle or prohibition of its operation, the position, surname and initials of the person who drew up the protocol, information about the vehicle and about the person in respect of which the appropriate measure for ensuring the proceedings in the case of an administrative offense has been applied. The protocol on the detention of the vehicle shall indicate the name of the body (institution, organization), position, surname, name and patronymic of the person who will execute the decision to detain the vehicle.
5. A report on the detention of a vehicle or a protocol on the prohibition of the operation of a vehicle is signed by the official who drew it up and the person in respect of whom the appropriate measure for securing proceedings in a case of an administrative offense was applied.
6. In case of refusal of the person in respect of whom the measure of securing proceedings in the case of an administrative offense is applied, from signing the protocol, an appropriate entry is made in it.
7. A copy of the protocol on the detention of a vehicle of the appropriate type or the protocol on the prohibition of the operation of the vehicle shall be handed over to the person in respect of whom the appropriate measure for securing proceedings in a case of an administrative offense has been applied.
8. The report on the detention of the vehicle in the absence of the driver is drawn up in the presence of two witnesses.
9. The movement of vehicles of the Armed Forces of the Russian Federation, internal troops of the Ministry of Internal Affairs of the Russian Federation, engineering, technical, road-building military units under federal executive bodies or rescue military units of the federal executive body authorized to solve problems in the field of civil defense, to a specialized parking lot, their storage, payment of expenses for transportation and storage, return of vehicles and ensuring the prohibition of the operation of the vehicle are carried out in the manner established by the Government of the Russian Federation.
10. Moving vehicles to a specialized parking lot, with the exception of vehicles specified in paragraph 9 of this article, their storage, payment of transportation and storage costs, return of vehicles to their owners, representatives of owners or persons who have documents necessary for driving by these vehicles are carried out in the manner established by the laws of the constituent entities of the Russian Federation.
(as amended by Federal Law No. 252-FZ of December 25, 2012)
11. The costs of moving and storing a detained vehicle, with the exception of the vehicles specified in paragraph 9 of this article, shall be reimbursed by the person who committed the administrative offense that caused the application of the detention of the vehicle.
12. In case of termination of proceedings in a case of an administrative offense on the grounds provided for in paragraph 1, paragraph 2 (except for the case when an individual at the time of committing unlawful actions (inaction) did not reach the age provided for by this Code for bringing to administrative responsibility), paragraphs 3, 7 of part 1 of article 24.5 of this Code, the costs of moving and storing the vehicle are reimbursed in the manner prescribed by the legislation of the Russian Federation, and the vehicle is immediately returned to its owner, representative of the owner or a person who has with him the documents necessary to drive this vehicle.
(as amended by the Federal Law of December 25, 2012 N 252-FZ