O.S. Engines, .25 LA-S C/L w/Muffler Natural

Hobbies R Us

OSMG1426     12361 .25 LA-S C/L w/Muffler Natural

TECH NOTES

This is the O.S. Max .25LA-S Natural Finish
Control Line Engine with Muffler.

FEATURES: LA-S series engines Control Line engines replace the carburetor with
a venturi that keeps the engine running at a constant speed
Remote needle valve reduces chance of injury from spinning props
Nylon backplate mount and ratchet spring help hold settings against
"creep" caused by vibration
An O-ring helps seal the needle from fuel and air leaks.
Heavy-duty webbing reinforces the one-piece crankcase in high stress
areas.
Two year warranty against manufacturing defects in parts and workman-
ship

INCLUDES: One .25LA-S Control Line Engine with #E-2030 Muffler
Two 2.5 x 24mm Phillips head muffler mounting screws
#A3 Glow Plug (OSMG2690)
Decal Sheet
Instruction Manual

REQUIRES: Fuel: 10% to 20% Nitro and 18% lubricant content is recommended
Prop: Break in: 9x6
Aerobatic and Sport:  9x6, 10x5

SPECS:    Displacement:  4.07cc (0.249cu in)
Bore:          18mm   (0.709")
Stroke:        16mm   (0.630")
Output:        0.6 bhp @ 15,000 RPM
Practical RPM: 2,000 - 16,000 RPM
Weight:        185.5g (6.54oz)
Crankshaft size: 1/4-28
Distance between mounting tabs: 1.89" (48mm)
Distance between mounting holes on opposite side: 1.46" (37mm)
Distance between mounting holes on same side: 0.59" (15mm)
Width of crankcase below mounting tabs: 1.10" (28.1mm)
Height from bottom of crankcase to top/cylinder head: 2.93" (74.4mm)
Length from end of crankshaft to backplate: 3.43" (87.1mm)

ACCESSORIES

THIS IS THE O.S. MAX .25LA-S CONTROL LINE ENGINE WITH MUFFLER.
FEATURES: REMOTE NEEDLE VALVE, VENTURI KEEPS ENGINE RUNNING AT A CONSTANT SPEED
A3 GLOW PLUG, MUFFLER
REQUIRES: FUEL: 10% TO 20% NITRO AND 18% LUBRICANT CONTENT, PROP, FIELD EQUIP.