Izhevsk Machine-Building Plant in 1961 began producing motorcycles' IZH-Jupiter ", and in 1962 -" IZH-Planet ", which are modernized IL-56. In their place the plant began producing " IZH-Planet-2" with an engine capacity increase to 15.5 liters. s. and 'IZH-Jupiter-2. " Both models have an improved appearance and increased reliability.

Motorcycles' IZH-Planet-3 "and" IZH-Jupiter-3 "plant produces since 1970 They have a high-powered motor. The increase in engine power required to improve cooling, so the edges of the cylinder heads are arranged like a fan.

Both models are equipped with direction indicators motorcycles. The design and mounting direction indicators provide good visibility of signals from any direction.

Good looks give the bike a modern form of the fuel tank and wheel guards. Through the use of wheel and tire size 3,50-18 "(instead of the previous 3,25-19") motorcycle began to look less massive. Decorate bike and chrome parts.

The rear suspension is softer, it comes into play, even with little progress wheel, and the presence of a spring rebound significantly reduced the knock during the return wheel.

The modified form of steering and increased by 20 mm front fork stroke improves ride on a motorcycle.

In both models, standardized transmission.

The increased engine power allowed is 10 km / h to increase the maximum speed of vehicles, including at the "Jupiter" with a stroller - with the same fuel consumption.

By bike "IL-Jupiter-3" Vyatskie Polanski Plant developed side trailer PD-1, which is designed for one passenger and cargo weight of 30 kg. Side of the trailer is attached to a motorcycle push-hinge devices and two guys.

The distinctive look and feel of the device has a body of the trailer. Hood (upper front) frame moves forward under the action of springs mounted on three guide tubes. This is a convenience for the passenger. Closes the hood of a small force applied to the two handles. In the end position is automatically fixed hood with two claws and a snap.

For the convenience of passengers increased backrest height and wind flap, an adjustable footrest. Rear seat has a roomy interior, and a hanging racks.

Body is attached to the trailer frame on four rubber pads that prevent it swinging when driving on rough roads and absorb vibration from the engine.

Greatly improved on the side trailer BP-1 Arm. Swinging lever it mounted on needle bearings, as well as the rear wheel of a motorcycle has a spring-hydraulic shock absorber.

Wheel trailer has a brake, which is activated by the brake pedal through a cable. Adjustable actuator so that the wheels of the trailer braking started a little later than the rear wheel. Otherwise, it will drift a motorcycle and overturning.

Thanks to all the improvements permissible construction of the trailer is traveling at 105 km / h