As the replacement for the
high-performance 46FX, it's no wonder that the .46 AX shares many of its
features. The raw power. A remote needle valve. Mounting bolt patterns. A
balanced "D"-cut crankshaft supported by dual bearings. CNC-machining for the
piston and other parts. And the same exclusive ABL cylinder liner that has made
FX reliability a byword. But all the same, the 46AX is a different – and better
– engine. Why? Because times change and technology advances. And because O.S.
uses the best of both to make a good engine a better engine.
 Features
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Features the 46FX's durable
ABL (Advanced Bimetallic Liner) plating, as well as a new design that
automatically centers, levels and seats the head during re-replacement. Head
snugs down with only four screws – not six
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Subtly tapered low-end needle
eliminates surging at transition, ensuring exceptionally smooth, consistent
throttle control from idle to top speed
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Redesigned liner ports and a
ball-milled inlet port minimize turbulence during fuel/air mixing, making
combustion and power output more predictable
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New high-speed needle bracket
simplifies horizontal/vertical mounting – and can be replaced in just
minutes.
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Minimizes vibration-induced
"creep" and re-sets with a ratchet spring on the high-speed needle and
O-ring seals on both needles. A simple rotor guide screw replaces the
throttle stop screw – and eliminates spring-related movement
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Includes a new low-noise
E-3010 muffler and 2-year warranty protection
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Includes a lock nut and longer
crankshaft with more thread length, for better prop nut engagement and
greater pilot safety
Specifications
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Stock Number: OSMG0547
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Displacement: 0.455 cu in (7.5
cc)
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Bore: 0.866 in (22.0 mm)
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Stroke: 0.772 in (19.6 mm)
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Practical rpm: 2,000-17,000
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Output: 1.65 hp @ 16,000 rpm
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Weight w/muffler: 17.2 oz (489
g)
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Includes: #A3 glow plug,
E-3010 muffler
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Requires: glow fuel, prop
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Recommended Props: 10.5x6,
11x6-8, 12x6-7
Contents
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One O.S. Max .46AX ABL BB
model airplane engine with muffler
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A3 glow plug, 2¼" (57mm)
section of tubing for remote needle
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two 3mm x 35mm cap head
muffler screws
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warranty sheet, decal sheet,
and illustrated instruction manual
Requires
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