OS 46 AX engine with muffler
Product Description
- 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.
- Subtly tapered low-end needle eliminates surging at transition, ensuring exceptionally smooth, consistent throttle control from idle to top speed.
- Redesigned liner ports and a ball-milled inlet port minimize turbulence during fuel/air mixing, making combustion and power output more predictable.
- New high-speed needle bracket simplifies horizontal/vertical mounting – and can be replaced in just minutes.
- 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.
- Includes a new low-noise E-3070 muffler and 2-year limited warranty protection.
- Includes a lock nut and longer crankshaft with more thread length, for better prop nut engagement and greater pilot safety.
| ABL (Advanced Bimetallic Liner) uses two O.S.-developed alloys to provide durable barrier between the brass liner and piston. | Switching the needle from a horizontal to a vertical orientation requires only a couple of minutes. A composite needle housing insulates the brass sleeve and prevents heat-related changes to needle settings. | A generously sized chamber and larger sound baffle significantly reduce exhaust noise. Rotating the exhaust port provides easy finish protection – adding an exhaust deflector provides even more. |
SPECIFICATIONS:
Stock Number: OSMG0547
Displacement: 0.455 cu in (7.5 cc)
Bore: 0.866 in (22.0 mm)
Stroke: 0.772 in (19.6 mm)
Practical rpm: 2,000-17,000
Output: 1.65 hp @ 16,000 rpm
Weight w/muffler: 17.2 oz (489 g)
Includes: #A3 glow plug, E-3010 muffler
Requires: glow fuel, prop
Recommended Props: 10.5x6, 11x6-8, 12x6-7
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