DLE Engines DLE-61cc Gas w/Electronic Ignition

Tower Stock# LXEBGM  •  Manufacturer Stock# DLE-61
DLE Engines DLE-61cc Gas w/Electronic Ignition (large view)
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Notes from our tech department:
This is the DLE-61 Gasoline Engine with Electronic Ignition.


Electronic ignition delvers smooth idle, easy starting and
powerful throttle transition, spiral wire wrap eliminates
Muffler designed for optimized power delivery
Enlarged crankshaft ball bearings
Two petal reed valve induction system
Airplane specific carburetor with manual choke
Lightweight piston for fast acceleration, excellent compression and
low vibration


DLE-61 Gasoline Engine with Electronic Ignition, NGK CM6 Spark Plug,
Electronic Ignition, Muffler, four 2.7" (68mm) Standoffs
and 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: 22x10, 23x8, 23x10, 24x8
Field Equipment


Displacement: 3.7 cu in (61.0 cc)
Bore: 1.85" (47mm)
Stroke: 1.38" (35mm)
Compression Ratio: 10.5:1
Performance: 6 HP/7,500RPM
Idle Speed: 1,400 RPM
Overall Weight: 4 lbs (1814g)
Engine Weight: 3.02lbs (1370g)
Muffler Weight: 3.9oz (110g)
Ignition Module Weight: 3.9oz (110g)
Engine Mount Standoff Weight: 4.5oz (128g)
Distance between top Horizontal Mounting Hole Centers: 3.54" (90mm)
Distance between Vertical Mounting Hole Centers: 2.64" (67mm)
Distance/bottom Horizontal Mounting Hole Centers: 2.83" (72mm)
Height/Crankshaft center to top of Cylinder Head: 4.96" (126mm)
Backplate to outer edge of Prop Drive Hub: 6.77" (172mm)
Outer edge of Standoff to outer edge of Prop Drive Hub: 9.45" (240mm)
Standoff Length: 2.68" (68mm)
Spark Plug Gap: 0.018 - 0.020" (0.45mm - 0.51mm)

Carburetor Settings; (carb is preset at factory and should require
only small adjustments)
Idle Adjustment Screw: Turn clockwise to increase idle speed,
conterclockwise to decrease idle speed
Low Speed Needle: Turn needle to fully closed position, then open
1.25 turns
High Speed Needle: Turn needle to fully closed position, then open
1.5 turns-tachometer is recommended when setting high speed
needle to obtain maximum speed

jxs 03/11/14

See Tower Catalog page 172.
Easy RC: Engines
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