PRO-21M (Outboard)

Product code: TT 9568

Thunder Tiger

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327,12 €

PRO-21M (Outboard)

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Marine Engine

TT9568 Thunder Tiger - PRO-21M

A race-proven PRO-21M power head is mated to a lower unit that utilizes the best aspects of gear and flex-cable drive technology. A innovative design that is sure to increase the popularity of the 3.5cc Tunnel Hull class.

A special set of precision helical gears transfers power from the crankshaft to the flex-cable, resulting in substantially reduced cable wear and maintenance, while the integrated expasion chamber (muffler) reduces exhaust noise.

The Marine series are manufactured by automated computer-controlled machinery, resulting in a product that looks and performs better. The engine mount allows adjusment to both propeller depth and angle with a Prather S215 propeller which is included. Precision air bleed carburetor makes adjustments simple.


    *  Displacement: 14.78 cc. / 0.902 cu. in.

    *  Bore: 28 mm. / 1.102 in.

    *  Stroke: 24 mm. / 0.945 in.

    *  Crankshaft: UNC 5/16 - 24

    *  Practical RPM: 2,000 ~ 16,000

    *  Output: 2.75 BHP / 15,000 RPM

    *  Weight: 575 g. wo/muffler / 20.28 oz.


·  Top grade CNC  technology used

·  ISO9001 Certified

·  Gear drive / flex cable

·  Prather S215 propeller which is included

·  Adjustable prop depth and running angle

·  Air bleed carburetor makes adjustments simple

·  Economic marine engine for the serious boat racer






Additional Information

Manufacturer Thunder Tiger

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