DLE20 2 stroke model airplane engine

Specifications:
Displacement: 20 cc (1.22 cu in)
Bore: 1.3 in (32 mm)
Stroke: 1.0 in (25 mm)
Weight: 28.9 oz (820 g)
RPM Range: 1,750-9,000
Output: 2.5 hp @ 9,000 rpm
Requires: unleaded gasoline, 2-cycle oil, ignition battery & propeller
Includes: electronic ignition, muffler, spark plug, gasket, bolts, throttle arm extension & manual
Suggested Propellers: 14x10, 15x8, 16x6, 16x8, 17x6
Suggested Break-in Prop: n/a

Technical Data:
Ignition Battery: 4.8-6.0V NiCd or NiMH, 6.6V LiFe or 7.4V LiPo pack (LiPo use requires voltage regulator.)
Compression Ratio: 10.5:1
Gas/Oil Mix: 30:1
Replacement Spark Plug: NGK CM6 (DLEG5510) or equivalent
Weight Breakdown: Engine: 22.9 oz (650 g); Muffler: 1.8 oz (50 g); Ignition: 4.2 oz (120 g)