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10 - 50hp piston engine THOR 250 DUAL SPARK
10 - 50kgfor paramotor2-stroke

10 - 50hp piston engine
10 - 50hp piston engine
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Characteristics

Engine power
10 - 50hp
Dry weight
10 - 50kg
Applications
for paramotor
Cycle
2-stroke
Number of cylinders
single-cylinder

Description

Polini THOR 250 DUAL SPARK engine features 2 spark plugs and 2 independent ignitions to grant the maximum safety standard in every condition of flight. The liquid cooling system grants an extraordinary steady power output and better performance at every rpm. Many are the advanced technical solutions adopted. The die cast light-alloy aluminium cylinder grants a better thermal stability. The piston, gravity cast at high silicon content light alloy, reduces thermal expansion and the coupling slack. The piston top design is specific to optimize the compression ratio. It is provided with a balancing countershaft; this feature cancels the vibrations and guarantees such a comfort when driving never felt during a flight and a better engine lasting. The counter revolving rollers considerably decrease the upsetting torque-steer for a further flight comfort. The centrifugal clutch is entirely in oil bath, with a mechanical gear with helical teeth. The electric starter is standard but for higher safety level it is also equipped with manual starter, with easy-system thanks to the flash starter device, which speeds up and simplifies the movements. The comfortable closed circuit system for the fuel recovery during transportation and the 12V output for any eventual electrical use. Thor 250 DUAL SPARK engine is small and very compact with a great power/weigh ratio. The advanced technology and the great performance of this engine gives a better feeling when driving making the flight even more performing, dynamic, reactive, beside granting more stability.
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.