Key Features
- Ideal for use in any 50 class helicopter
- Head design offers improved combustion efficiency for stable hovering and aerobatic flight
- Large 0.39″ (10mm) diameter carburetor intake for greater running stability
- Two year limited warranty
$311.16 Original price was: $311.16.$92.99Current price is: $92.99.

| Manufacturer # | 15550 |
|---|---|
| Displacement | 0.49, cu, in, (8.17, cc) |
| Product Length | 3.4", (85.7mm), from, backplate, to, front, bearing |
| Crankshaft Threads | UNF1/4-28 |
| Engine (Only) Weight | 14.33, oz, (406, g) |
| Product Width | 2.0, in, (52, mm), at, mounting, tabs |
| Bore | 0.866, in, (22mm) |
| Crankshaft Type | Threaded |
| Power Type | Glow |
| Plug Type | O.S., #8 |
| Stroke | 0.847, in, (21.51, mm) |
| RPM Range | 2, 000, -, 20, 000, rpm |
| Cylinders | Single |
| Product Height | 3.6, in, (92.3, mm), bottom, of, crankcase, to, top, of, cylinder, head |
| Product Weight | 14.33oz, (405.4g) |
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