Thunder Tiger - GP-61

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Product No. TTR9060 MSRP: $178.99   The GP series engines are equipped with maintenance-free bronze bushings, Schnuerle porting, a non-ring piston, an easily adjusted air bleed carburetor, and a safe angular needle valve.   Specification:  Displacement: 10.58 cc. / 0.646 cu. in.  Bore: 24.2 mm. / 0.953 in.  Stroke: 23.0 mm. / 0.906 in.  Crankshaft: UNC 5/16 / 24  Practical RPM: 2,000 ~ 16,000  Output: 2.00 BHP / 15,000 RPM  Weight: 693.4 g. w/muffler / 24.46 oz.

All Thunder Tiger engines have been designed to combine high performance with easy handling and maintenance using CAD computer technology, resulting in consistent high quality and reliability. The GP-61 produces a whopping 2 HP for larger models.

The GP series are manufactured by automated computer-controlled machinery, resulting in a product that performs as well as it looks. Ultra-dense aluminum alloy castings, one-piece machined crankshafts and high silicone-content pistons are produced to exacting tolerances for more power and easier starts. Precision air bleed carburetor makes adjustments simple, and efficient mufflers keep things quiet at the field.