Displacement: 1.10 ci (18.0 cc)
Bore: 1.20 in (30.4 mm)
Stroke: 0.98 in (24.8 mm)
Practical RPM: 2,000-11,000 rpm
Power Output: 1.77 hp @ 10,000 rpm
Engine Weight: 21.5 oz (610 g)
Muffler Weight: 2.5 oz (72 g)

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Bore: 1.20 in (30.4 mm)
Stroke: 0.98 in (24.8 mm)
Practical RPM: 2,000-11,000 rpm
Power Output: 1.77 hp @ 10,000 rpm
Engine Weight: 21.5 oz (610 g)
Muffler Weight: 2.5 oz (72 g)