155FS-a Alpha Series Pumped 4-Stroke Glow Single with Muffler, by OS Engines
- Ideal for 120 size scale and sport models and aerobatic models requiring stable power and linear throttle response
- PD-08 pump and 70R carburetor integrated with regulator ensures stable fuel delivery regardless of model attitude and fuel level
- F-6020 three piece design muffler with center heatsink
- New internal lubricating system eliminates breather tubing from the crankcase
- Two year limited warrant
INCLUDES: FS155-a P Four Cycle Engine with PD-08 Pump System, 70R Carburetor, F-6020 Muffler, Header Pipe, type F Glow Plug, Needle Valve, Extension Cable, Instruction Manual
REQUIRES: 5-20% nitro content and no less than 18% lubricant, Propeller: 16x8-12 or 17x8-12
- Displacement: 1.548 cu in (25.36cc)
- Bore: 1.323" (33.6mm)
- Stroke: 1.126" (28.6mm)
- Practical RPM: 2,000 - 10,000 RPM
- Power Output: 2.6 PS, 2.56 HP @ 10,000 RPM
- Engine Weight: 28.40 oz (805g)
- Muffler Weight: 3.35oz (95g)
- Width at Mounting Tabs: 2.6" 67mm)
- Crankcase Width below Mounting Tabs: 1.8" (47mm)
- Length from Drive Washer to rear of Carburetor: 5" (127.5mm)
- Height from Mounting Tab to Pushrod Cover: 4.5" (114mm)
- Height from bottom of Crankcase to Pushrod Cover: 5.4" (138.6mm)
- Distance between Mounting Hole Centers Same Side: 0.98" (25mm)
- Distance between Mounting Hole Centers Opposite Side: 2.3" (58mm)
- Distance/front Mounting Hole Center to Drive Washer: 2.5" (64.5mm)
- Distance/ Center of Engine to Drive Washer: 3.03" (77mm)
- Crankshaft Size: 5/16-24
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