DLE 55RA 55cc Gas Engine

This is the DLE 55-RA Gasoline Engine with Electronic Ignition.

FEATURES:
High performance in a compact package
Rear exhaust for the perfect tuned pipe setup
Pitts style aluminum muffler
Newly designed piston with re-engineered skirt for less piston
weight resulting in such advantages as awesome throttle response,
more power and longer engine life
Electronic ignition is the no-hassle answer to simpler starts,
higher performance and minimal RF noise
Producing 100 more rpm than the DLE50, the DLE 55-RA comes with
engine standoffs, electronic ignition, spark plug and muffler

INCLUDES:
DLE 55-RA Gasoline Engine
Electronic Ignition
Pitts Muffler
DLE CM6 Spark Plug
Four Engine Standoffs with Mounting Hardware
Integrated Choke Rod Guide
Rear-mounted Carb
Instruction Manual

REQUIREMENTS:
Gasoline with at least 87 octane rating
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 – 12V battery for ignition
(separate receiver style pack can be used) (LiPo & LiFe requires
voltage regulator)
Propeller and field equipment

SPECIFICATIONS:
Displacement: 55.6 cc (3.39 cu in)
Bore: 1.76 in (45 mm)
Stroke: 1.37″ (35mm)
Compression Ratio: 7.6:1
Static Thrust: 14.5kg Pulling Force/100 meters altitude
12.8kg Pulling Force/1,800 meters altitude
Gasoline/Oil Mixture: 30:1
Gasoline Octane Rating: 87
Recommended Propellers: 22×8, 22×10, 23×8, 23×10
Weight, engine: 3.74 lb (1.33kg)
Weight, muffler: 3.17 oz (90 g)
Weight, ignition module: 5.11 oz (145 g)
Output: 5.5 hp @ 8,500 RPM
Carburetor Adjustments;
Low Speed Needle: 1.5 turns out as a starting point, adjust for a
smooth idle and a reliable transition to high throttle
High Speed Needle: 1.5 turns out from closed, adjust needle to peak
RPM, if engine slows or dies at full throttle, the high-speed
mixture is likely too lean
Muffler Dimensions: 3.8 x 2.6 x 1.2″ (97 x 66 x 31mm)
Muffler Exhaust Outlet Diameter: 0.79″ (20mm)
Muffler Exhaust Outlet Length: 0.79″ (20mm)
Length from end of each Standoff to Prop Hub: 6.7″ (171mm)
Distance Between Mounting Hole Centers Same Side: 2.6″ (67mm)
Distance Between Mounting Hole Centers Opposite Side: 3.5″ (90mm)
Height from bottom/Crankcase to top of Cylinder Head: 5.9″ (150mm)
Width of Cylinder Head: 3.1″ (80mm)
Distance Between Muffler Mounting Hole Centers: 1.7″ (43mm)
Crankshaft Thread: 5mm/.8 pitch course thread

COMMENTS:
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.