Key Features
- Incredible power—2.5 horsepower
- APC 16 X 8 over 9,000 rpm
- Same dimensions and weight as 1.20-size engines
- Stronger and more modern crankcase than the previous version
Overview
The 1.50S is actually a bored-out 1.20S for an incredible power-to-weight ratio. With over 20% greater displacement, the 1.50S will happily swing an APC 16×8 prop at 8,800 rpm with 15% fuel.
- Incredible power—2.5 horsepower
- APC 16 X 8 over 9,000 rpm
- Same dimensions and weight as 1.20-size engines
- Stronger and more modern crankcase than the previous version
Product Specifications
| Bore | 1.33 in (34.00 mm) |
| Crankshaft Type | Ball Bearing |
| Power Type | Glow |
| Stroke | 1.08 in (27.60 mm) |
| Cylinders | Single |
| Cylinder Type | AAC |
| Engine (Only) Weight | 30 oz |
| Muffler Type | Cast |
| Crankshaft Threads | M8 x 1.25mm |
| Benchmark Prop | 16×8 APC @ 8800 |
| Displacement | 1.50 cu. in. (24.58 cc) |






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