{"product_id":"o-s-ft-120-gemini-20cc-twin-cylinder-four-stroke-glow-r-c-aircraft-engine-japan-second-hand-copy","title":"O.S. FS-120 20cc Four-Stroke Glow Engine R\/C Aircraft Engine – Japan Second hand (Box 161)","description":"\u003cul data-start=\"722\" data-end=\"1001\"\u003e\n\u003cli data-section-id=\"1rfzdhs\" data-start=\"722\" data-end=\"739\"\u003eSingle cylinder\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"18b41o3\" data-start=\"740\" data-end=\"782\"\u003eO.S. \u003cstrong data-start=\"747\" data-end=\"757\"\u003eFS-120\u003c\/strong\u003e marking on the crankcase\u003c\/li\u003e\n\u003cli data-section-id=\"1edv9g9\" data-start=\"783\" data-end=\"806\"\u003eLarge finned cylinder\u003c\/li\u003e\n\u003cli data-section-id=\"ylk8kz\" data-start=\"807\" data-end=\"833\"\u003eTwin exposed rocker arms\u003c\/li\u003e\n\u003cli data-section-id=\"1d44986\" data-start=\"834\" data-end=\"867\"\u003ePushrod-operated OHV valve gear\u003c\/li\u003e\n\u003cli data-section-id=\"1jt6z1b\" data-start=\"868\" data-end=\"894\"\u003eSide-mounted carburettor\u003c\/li\u003e\n\u003cli data-section-id=\"89h8o8\" data-start=\"895\" data-end=\"930\"\u003eLarge four-stroke exhaust\/muffler\u003c\/li\u003e\n\u003cli data-section-id=\"7ciyiy\" data-start=\"931\" data-end=\"953\"\u003eJapanese manufacture\u003c\/li\u003e\n\u003cli data-section-id=\"14elssd\" data-start=\"954\" data-end=\"1001\"\u003eVintage early-generation FS-120 configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" data-start=\"1003\" data-end=\"1279\"\u003eThe published specifications for the original FS-120 are \u003cstrong data-start=\"1060\" data-end=\"1071\"\u003e19.96cc\u003c\/strong\u003e, 30.4mm bore × 27.5mm stroke, approximately \u003cstrong data-start=\"1116\" data-end=\"1124\"\u003e770g\u003c\/strong\u003e, with two ball-bearing crankshaft and two ball-bearing camshaft. Period testing recorded \u003cstrong data-start=\"1214\" data-end=\"1240\"\u003e1.76 bhp at 11,000 rpm\u003c\/strong\u003e\u003c\/p\u003e","brand":"OS","offers":[{"title":"Default Title","offer_id":57608288698748,"sku":"SMC-SH-E-OS120fs","price":114.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0432\/8584\/0033\/files\/IMG_5793-2.jpg?v=1791408718","url":"https:\/\/sussex-model-centre.co.uk\/products\/o-s-ft-120-gemini-20cc-twin-cylinder-four-stroke-glow-r-c-aircraft-engine-japan-second-hand-copy","provider":"Sussex Model Centre","version":"1.0","type":"link"}