Thunder Tiger - PRO-28BX-R

IN STOCK click to enlarge	Product No. TTR9477 MSRP: $147.99   Thunder Tiger's PRO series engines are equipped with dual-ball bearings, Schnuerle porting, piston and cylinder and mixture control carburetor.   Specification:  Displacement: 4.63 cc. / 0.282 cu. in.  Bore: 18.30 mm. / 0.720 in.  Stroke: 17.6 mm. / 0.693 in.  Practical RPM: 3,000 ~ 35,000  Output: 2.40 BHP / 30,000 RPM  Weight: 460 g. wo/muffler / 16.23 oz.

Designed to achieve the easiest operation and max performance again and again. The PRO .21/.28 Series have the most raw power & durability simultaneously! Of course, the new webbed reinforced compact crankcase is made for added wearing resistance and provides effective heat dispersion to meet the demands of long term usage.

The PRO series are manufactured by automated computer-controlled machinery, using the highest quality materials. State-of-the-art CNC manufacturing techniques produce not only high performance and reliability but a product that looks and performs better. Precision mixture control carburetor makes adjustments simple. The crankshaft is lightened, and balanced to get a fuel mixture more smoothly. The .21/.28 engines fits in the same mounting space as the original .21/.28 engines, with no additional weight - but delivers greater output and higher practical rpm.