Robin EC 10 Old Subaru Motor PARTS only Untested

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Robin EC10

It has been sitting for some time. The Robin EC10 is a small, air-cooled, two-stroke gasoline engine made by Robin (now part of Subaru Power Equipment). Here’s a detailed overview: 🔧 General Specifications & Design Engine Type: 2‑stroke, single-cylinder Displacement: ~50 cc (exact cc varies by model) Universidad Veracruzana +12 Sanki +12 Sciencing +12 Scribd Power Output: Max output: approximately 4 HP at 4,500 rpm Continuous rated output: about 3 HP at 4,000 rpm Universidad Veracruzana +1 Scribd +1 Scribd Maximum Speed: ~5,000 rpm Fuel System: Carbureted, with choke and throttle control, often oil injection in separate crankcase and carb Cooling: Air‑cooled with flywheel fan shroud 🛢️ Lubrication & Fuel Requirements “Dual‑oil” system: Requires gasoline-oil mix: 20:1 (gas:oil) during first 10 hours (break-in) 50:1 thereafter for normal operation NGK Spark Plugs Sciencing +1 Universidad Veracruzana +1 Plus crankcase oil: 1 oz SAE‑30 straight-weight oil Sciencing ⚙️ Notable Features Compact, lightweight, designed for handheld or mounted tools Robust and easy to maintain, thanks to simple construction with parts widely available (as seen in exploded parts diagrams) NGK Spark Plugs +11 Jacks Small Engines +11 Scribd +11 Throttle/governor control allows stable speeds even under changing loads Tilted operation up to ~30° without fuel flooding 🛠️ Common Applications The EC10 engine powers: Brush cutters / trimmers Jumping jacks (compactors) Post-hole diggers Small generators Vintage lawn equipment, especially older Wisconsin‑Robin models Sanki +11 Scribd +11 Sciencing +11 Jacks Small Engines +1 Sciencing +1 Sciencing +1 Universidad Veracruzana +1 🧰 Maintenance Tips Run‑in procedure: No-load for 10 min at 2,000–3,000 rpm, then loaded for 60 min at ~4,500 rpm Universidad Veracruzana Oil mixing must be precise—insufficient oil risks serious engine damage Ordering parts: Use service/parts manuals (available in PDF form) or exploded diagrams to find part numbers Sciencing Scribd 📄 Summary Feature Details Engine Type 2‑stroke, ~50 cc, air-cooled Power ~3 HP continuous, ~4 HP max Fuel/Oil Mix 20:1 (break‑in), 50:1 (normal); 1 oz SAE‑30 in crankcase Applications Trimmers, compactors, post-hole diggers, generators Maintenance Run-in required, simple rebuild, carburetor/gasket availability 🪛 Ideal For DIY mechanics restoring old small engine tools Users needing a reliable, portable power source for hobbyist or light-duty commercial equipment