DLE Engines DLE-55cc Gasoline w/EI & Muffler

Tower Stock# LXXWA3  •  Manufacturer Stock# DLE-55
Tech Notices:Notice 1
Notes from our tech department:
This is the DLE 55cc Gasoline Powered Engine with Electronic Ignition.


Two crankshaft bearings-simple design for lighter weight
Aluminum alloy crankcase
Four petal V-type reed valve bottom induction system
DLE carburetor
Fully automatic electronic ignition
Two year limited warranty through Hobby Services beginning at date
of purchase


Engine, spark plug, standoffs, ignition, muffler, instruction manual


87 octane gasoline
2-cycle oil, mix ratio for this engine is 30 parts gas to one part
oil and must be followed exactly for warranty consideration
and optimum performance
4.8 - 6V NiMH/NiCd, or 6.6V LiFe or 7.4V LiPo battery for ignition
(separate receiver style pack can be used) (LiPo & LiFe requires
voltage regulator)
Propeller and field equipment


Output Power: 5.5 HP at 7,500 RPM
Best Performance RPM Range: 1,350 - 8,500
Maximum RPM: 8,500
Static Thrust: 14.2kg Pulling Force/100 meters altitude
12.5kg Pulling Force/1,800 meters altitude
Displacement: 3.4cu in (55.6cc)
Bore: 45mm
Stroke: 35mm
Compression Ratio: 7.6:1
Weight: Engine, 2.9lbs (1310g)
Muffler, 3.5oz (100g)
Ignition, 3.9oz (110g)
Gasoline/Oil Mixture: 30:1
Gasoline Octane Rating: 87
Recommended Propellers: 22x8, 22x10, 23x8, 23x10
Spark Plug: CM6
Distance Between Mounting Hole Centers Same Side: 2.7" (68mm)
Distance Between Mounting Hole Centers Opposite Side: 3.1" (80mm)
Height from bottom/Crankcase to top of Cylinder Head: 6.4" (162mm)
Width of Cylinder Head: 3.1" (78.8mm)
Length from Carburetor to Prop Washer: 6.2" (157mm)
Length from Carburetor to Front Bearing: 5" (127mm)
Distance Between Muffler Mounting Hole Centers: 1.6" (40mm)
Crankshaft Thread: 5mm/.8 pitch course thread


To avoid permanent damage to the electronic ignition system, NEVER
turn your DLE engine over with the system switched on and the plug
not installed.
A running change was made to the ignition module. The unit now
includes a third lead to use with a tachometer.

jxs 9/08/09



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