Thunder Tiger GP .42 ABC Engine with Muffler TTR9041
TTR9041 Thunder Tiger GP 42 ABC w/Muffler

Thunder Tiger GP .42 ABC Engine with Muffler TTR9041

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Thunder Tiger engine phosphor-bronze bushings support the crankshaft. Schnuerle porting. ABC piston/cylinder assembly. Forged aluminum connecting rod with dual bushings. Precision air-bleed (single needle) carburetor makes needle valve adjustment simple. Large volume muffler for noise control with rotatable outlet.


Glow plug, prop, engine mount, fuel filter, and fuel (Thunder Tiger recommends fuel with castor oil).

Displacement: .396 cu in (6.49cc)
Bore: .835" (21.2mm)
Stroke: .724" (18.4mm)
Power Output: 1.1 HP @ 16,000 RPM
Practical RPM range: 2,000 - 16,000
Weight: (not given, contact mfg)
Crankshaft thread size: 1/4-28

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