{"product_id":"o-s-speed-b2105-dlc-buggy-motor-21-3-5-ccm-1-8-combo-set","title":"OS SPEED B2105 DLC Buggy Engine .21 (3.5 cc) 1:8 – COMBO Set","description":"\u003cp data-start=\"67\" data-end=\"424\"\u003eWith the \u003cstrong data-start=\"75\" data-end=\"99\"\u003eOS SPEED B2105 DLC,\u003c\/strong\u003e OS SPEED once again presents an off-road racing engine of absolute world-class caliber. As the \u003cstrong data-start=\"196\" data-end=\"241\"\u003efifth generation of the proven B21 series,\u003c\/strong\u003e the B2105 has been specifically further developed to offer a clear performance advantage under the toughest 1:8 off-road racing conditions – consistent, controllable, and powerful.\u003c\/p\u003e\n\u003cp data-start=\"426\" data-end=\"824\"\u003e Thanks to a \u003cstrong data-start=\"437\" data-end=\"496\"\u003enewly designed cylinder liner with a 3-port layout\u003c\/strong\u003e and a revised port shape, the engine delivers noticeably \u003cstrong data-start=\"564\" data-end=\"626\"\u003ehigher torque in the mid to upper rev range\u003c\/strong\u003e , combined with very \u003cstrong data-start=\"654\" data-end=\"704\"\u003esmooth and linear power delivery\u003c\/strong\u003e . The result is an engine that can be precisely controlled in every driving situation and consistently delivers power.\u003c\/p\u003e\n\u003cp data-start=\"826\" data-end=\"1148\"\u003e The \u003cstrong data-start=\"830\" data-end=\"890\"\u003emodified crankshaft with OS SPEED DLC coating\u003c\/strong\u003e not only ensures increased durability but also improves throttle response and overall responsiveness. At the same time, the internal geometry has been optimized to make the engine \u003cstrong data-start=\"1068\" data-end=\"1116\"\u003emore user-friendly and easier to tune\u003c\/strong\u003e than its predecessor.\u003c\/p\u003e\n\u003cp data-start=\"1150\" data-end=\"1367\"\u003e Another focus was on driving behavior: The \u003cstrong data-start=\"1206\" data-end=\"1229\"\u003elighter cooling head\u003c\/strong\u003e makes the vehicle more agile, which is particularly noticeable in rapid changes of direction and demanding off-road sections.\u003c\/p\u003e\n\u003cp data-start=\"1369\" data-end=\"1537\"\u003e This \u003cstrong data-start=\"1376\" data-end=\"1389\"\u003eCOMBO set\u003c\/strong\u003e comes complete with a matched exhaust system, providing an immediately usable high-end solution for ambitious 1:8 buggy drivers.\u003c\/p\u003e\n\u003chr data-start=\"1539\" data-end=\"1542\"\u003e\n\u003ch3 data-start=\"1544\" data-end=\"1558\"\u003e Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli data-start=\"1564\" data-end=\"1616\"\u003e 5th generation of the successful B21 off-road racing engines\u003c\/li\u003e\n\n\u003cli data-start=\"1619\" data-end=\"1672\"\u003e Newly developed 3-channel cylinder for more torque\u003c\/li\u003e\n\n\u003cli data-start=\"1675\" data-end=\"1746\"\u003e Uniform, linear power output across the entire speed range\u003c\/li\u003e\n\n\u003cli data-start=\"1749\" data-end=\"1809\"\u003e DLC-coated crankshaft for performance and durability\u003c\/li\u003e\n\n\u003cli data-start=\"1812\" data-end=\"1877\"\u003e Reduced weight of the cooling head for improved driving performance\u003c\/li\u003e\n\n\u003cli data-start=\"1880\" data-end=\"1929\"\u003e Ideal for demanding 1:8 buggy off-road races \u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003chr data-start=\"1931\" data-end=\"1934\"\u003e\n\u003ch3 data-start=\"1936\" data-end=\"1956\"\u003e Technical data\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli data-start=\"1959\" data-end=\"1988\"\u003e\n\n \u003cstrong data-start=\"1959\" data-end=\"1971\"\u003eEngine displacement:\u003c\/strong\u003e 3.49 cm³ \/ .21\u003c\/li\u003e\n\n\u003cli data-start=\"1991\" data-end=\"2014\"\u003e\n\n \u003cstrong data-start=\"1991\" data-end=\"2003\"\u003eBore:\u003c\/strong\u003e 16.27 mm\u003c\/li\u003e\n\n\u003cli data-start=\"2017\" data-end=\"2036\"\u003e\n\n \u003cstrong data-start=\"2017\" data-end=\"2025\"\u003eStroke:\u003c\/strong\u003e 16.80 mm\u003c\/li\u003e\n\n\u003cli data-start=\"2039\" data-end=\"2083\"\u003e\n\n \u003cstrong data-start=\"2039\" data-end=\"2052\"\u003ePower output:\u003c\/strong\u003e approx. 2.68 hp at 34,000 rpm\u003c\/li\u003e\n\n\u003cli data-start=\"2086\" data-end=\"2141\"\u003e\n\n \u003cstrong data-start=\"2086\" data-end=\"2118\"\u003ePractical speed range:\u003c\/strong\u003e 4,000 – 42,000 rpm\u003c\/li\u003e\n\n\u003cli data-start=\"2144\" data-end=\"2173\"\u003e\n\n \u003cstrong data-start=\"2144\" data-end=\"2161\"\u003eMotor weight:\u003c\/strong\u003e approx. 348 g \u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003chr data-start=\"2175\" data-end=\"2178\"\u003e\n\u003ch3 data-start=\"2180\" data-end=\"2196\"\u003e Scope of delivery\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli data-start=\"2199\" data-end=\"2233\"\u003e OS SPEED B2105 DLC Buggy Motor\u003c\/li\u003e\n\n\u003cli data-start=\"2236\" data-end=\"2268\"\u003e TB02 exhaust system (EFRA 2089)\u003c\/li\u003e\n\n\u003cli data-start=\"2271\" data-end=\"2288\"\u003e MB01-75 Manifold\u003c\/li\u003e\n\n\u003cli data-start=\"2291\" data-end=\"2307\"\u003e Glow plug T-P3\u003c\/li\u003e\n\n\u003cli data-start=\"2310\" data-end=\"2336\"\u003e Reducers Ø6 \/ Ø6.5\u003c\/li\u003e\n\n\u003cli data-start=\"2339\" data-end=\"2357\"\u003e Exhaust sealing ring\u003c\/li\u003e\n\n\u003cli data-start=\"2360\" data-end=\"2394\"\u003e Dust cap set (Ø3 \/ Ø16 \/ Ø18)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"O.S.","offers":[{"title":"Default Title","offer_id":52545683226962,"sku":"OS-1EK01","price":459.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/0277\/3586\/files\/os-engines-combo-os-speed-b2105-echappement-tb02-efra-2089.png?v=1769164026","url":"https:\/\/checkout.rcxx.us\/en\/products\/o-s-speed-b2105-dlc-buggy-motor-21-3-5-ccm-1-8-combo-set","provider":"RCXX - Shop for RC Models, DieCast \u0026 Plastic Models","version":"1.0","type":"link"}