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Thunder Tiger PRO .28BD-R Engine TTR9473


, Displacement:, 0.282 cu in (4.63cc), Bore:, 0.720" (18.3mm), Stroke:, 0.693" (17.6mm), Practical RPM:, 3,000 - 35,000, Output:, 2.40 HP @ 30,000 rpm, Carburetor Settings, Needle Valve:, 3 - 3-1/2 turns counterclockwise from closed, Mixture Metering Screw:, After setting needle valve, 1/8 turn clockwise if mixture is too rich or 1/8 turn counter-clockwise if mixture is too lean, Note:, carburetor is preset from the factory and requires only small adjustments, ,


Thunder Tiger PRO series engines are manufactured by automated computer-controlled machinery, using the highest quality materials and state-of-the-art CNC manufacturing techniques to deliver a powerplant that looks and performs better. Precision mixture control carburetor makes adjustments simple, the crankshaft is lightened, and balanced to achieve a smoother and more efficient fuel mixture.
The new 28 engine fits in the same mounting as the original .21/.28 engines, with no additional weight - but delivers greater output and higher practical RPM.

The Pro-28BD-R is equipped with a built-in dual hexagonal & recoil start ("D" type) for easy and quick start.
Features

Rear exhaust
ABC construction: Aluminum piston with Cr-plated brass cylinder liner
Hypereutectic machined Al-Si ringed piston
High-strength connecting rod with bushings pre-installed
SG crankshaft
One-piece crankcase with squared-off cooling fins
Dual ball bearing-supported crankshaft
Machined over-sized heat sink head
Built-in pull starting backplate
Three-needle valves slide valve carburetor
State-of-the-art CNC machined components


Check price and availability


Found 6 years, 6 months ago



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