Magnum XLS-61A

Tower Stock# LXRLG7  •  Manufacturer Stock# 210770
Magnum XLS-61A (large view)
Notes from our tech department:
This is the .61 cu in (9.9cc) 2-Stroke XLS .61A
Aircraft Engine from Magnum Engines.


ABC cylinder construction, "A"luminum piston with a "B"rass liner
that is "C"hrome plated
Dual ball bearing-supported crankshaft
Dual needle valve carburetor with remote High Speed Needle Valve
Dual bushing-supported connecting rod
One year limited warranty


.61 cu in (9.9cc) 2-Stroke XLS .61A Magnum engine w/ high flow
muffler, carb with remote needle assembly, and instruction manual


Glow Fuel: break-in, 15% nitro with at least 18% lubricant content
after break-in, 15 - 30% nitro with at least 18% lubricant content
Glow Plug: Hot heat range plug designed for Two-Stroke engines
Propeller: 11x7 for break-in,
after break in, 11x8, 12x7, 12x6, 13x4
Misc Items: Plug wrench, starter and field equipment


Displacement: .607 cu in (9.94cc)
Bore: 24mm
Stroke: 22mm
Practical RPM: 2,000 - 16,000rpm
Weight with Muffler: 22.5oz (638g)
Distance Between Mounting Holes Same Side: 1.02" (26mm)
Distance Between Mounting Holes Opposite Side: 2" (51mm)
Width at Mounting Tabs: 2.4" (61mm)
Height/bottom of Mounting Tabs/top of Cylinder Head: 2.4" (60.5mm)
Height/bottom of Crankcase/top of Cylinder Head: 4" (101mm)
Distance/Backplate to outer edge of Drive Washer: 3.7" (93.4mm)
Distance/Backplate to end of Crankcase: 3.1" (80mm)

jxs 6/27/07

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