{"product_id":"o-s-speed-max-r21-ver-2-combo-set-os-1f401","title":"OSSPEED MAX-R21 VER.2 Combo Set - OS-1F401","description":"\u003cp\u003e\u003cstrong\u003eOS Engine MAX-R21 V.2 On-Road Racing Engine Combo Set\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eNew MAX-R21 VER.2 for 1\/8 On-Road!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e A new on-road engine for beginners and sports users!\u003c\/p\u003e\n\u003cp\u003e Designed for 1\/8th scale on-road racing, the MAX-R21 VER.2 offers excellent value for money and is easily suitable for entry-level and sport racing. The crankshaft and carburetor have been redesigned compared to the previous model for improved usability. The outer head is blue, the Max series' signature color, and features a new laser-engraved design.\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eWhat’s new in the Max-R21 version 2?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e The crankcase design comes from the R2106\u003c\/li\u003e\n\n\u003cli\u003e The crankshaft has 3 bronze counterweights for a better feel in the low\/mid speed range and easier handling\u003c\/li\u003e\n\n\u003cli\u003e The new outer head offers better cooling and features a new laser engraving design\u003c\/li\u003e\n\n\u003cli\u003e The inner head uses a similar O-ring design as the R2106\u003c\/li\u003e\n\n\u003cli\u003e The carburetor is the 21M4, the same design as the R2106 engine, for easier adjustment\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003e \u003cstrong\u003eStandard accessories\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e RP7 glow plug\u003c\/li\u003e\n\n\u003cli\u003e 8.5mm Venturi (purple)\u003c\/li\u003e\n\n\u003cli\u003e Sealing ring for the exhaust\u003c\/li\u003e\n\n\u003cli\u003e Dust cap set (f3\/f16\/f18)\u003c\/li\u003e\n\n\u003cli\u003e flywheel cone\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003e \u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e Displacement: 3.49cc\u003c\/li\u003e\n\n\u003cli\u003e Bore: 16.08mm\u003c\/li\u003e\n\n\u003cli\u003e Stroke: 17.20mm\u003c\/li\u003e\n\n\u003cli\u003e Power: 2.75ps \/ 2.71hp @ 32000RPM\u003c\/li\u003e\n\n\u003cli\u003e Practical speed range: 4000-44000\u003c\/li\u003e\n\n\u003cli\u003e Motor weight: 350g\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003e \u003cstrong\u003eCombo set includes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e TR02 EFRA2165 exhaust\u003c\/li\u003e\n\n\u003cli\u003e MR02 exhaust manifold\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"O.S.","offers":[{"title":"Default Title","offer_id":50569907405138,"sku":"OS-1F401","price":338.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/0277\/3586\/files\/OS1F401.jpg?v=1744100483","url":"https:\/\/checkout.rcxx.co.uk\/en\/products\/o-s-speed-max-r21-ver-2-combo-set-os-1f401","provider":"RCXX - Shop for RC Models, DieCast \u0026 Plastic Models","version":"1.0","type":"link"}