O.S. Engines

FS155-A P Ring 70R F6020 This is the FS155-a P Four Cycle Engine with Pump System from O.S. Engines. Features 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 warranty through Hobby Services beginning at date of purchase 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 Fuel: Glow fuel with 5-20% nitro content and no less than 18% lubricant content Propeller: 16x8-12 or 17x8-12 Glow Starter Field equipment Specifications Displacement: 1.548 cu in (25.36cc) Bore: 1.323" (33.6mm) Stroke: 1.126" (28.6mm) Practical RPM: 2,000 - 10,000 RPM Powe...