TWO-STROKE ENGINE

The Model 690 L-70 is a three-cylinder, two-stroke engine that could find use on light aircraft. The engine has a displacement of 684 cc. It can produce up to 70 bhp. at 6,250 rpm. and peak torque output of 68 ft.-lb. at 5,250 rpm. The engine develops more than 60 ft.-lb. of torque over a range of 4...

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