Specifications:

Displacement: 30.5 cc \(1.861 cu in\)
Bore: 1.42 in \(36 mm\)
Stroke: 1.18 in \(30 mm\)
Weight: 2.4 lb \(1.10 kg\)
RPM Range: 1,600-8,500
Output: 3.7 hp @ 8,500 rpm
Requires: unleaded gasoline, oil, ignition battery & propeller

Includes: electronic ignition, muffler, spark plug, gasket, bolts, machined aluminum standoffs, throttle arm extension & mounting template

Suggested Propellers: 18x8, 18x10, 19x8 & 20x8
Suggested Break-in Prop: 18x8

Technical Data:
Ignition Battery: 4.8-6.0V NiCd or NiMH, 6.6V LiFe or 7.4V LiPo pack \(LiPo or LiFe use requires voltage regulator.\)
Compression Ratio: 7.6:1
Gas/Oil Mix: 30:1
Replacement Spark Plug: NGK CM6 \(DLEG5510\) or equivalent
Weight Breakdown: Engine: 32.1 oz \(910 g\); Muffler: 2.1 oz \(60 g\); Ignition: 4.2 oz \(120g\)