{"product_id":"o-s-engine-1f401-o-s-max-r21-v-2-combo-set","title":"O.S.Engine 1F401 - O.S. MAX-R21 V.2 Combo Set","description":"\u003cdiv class=\"ProduktinfoText\"\u003e\n\u003ch2\u003eO.S.Engine MAX-R21 V.2 On-Road Racing Engine Combo Set\u003c\/h2\u003e\n\u003cstrong\u003eNew MAX-R21 VER.2 for 1\/8 on-road!\u003c\/strong\u003e\u003cbr\u003eIntroducing a new on-road engine for entry level and sports users!\u003cbr\u003e\u003cbr\u003eMAX-R21 VER.2 is developed for 1\/8 on-road racing with excellent cost performance that can be easily used in races for entry level to sports users. Crankshaft and carburetor have been revised from the previous model for more ease of use. Outer head is blue which is image color for Max series with a new laser engravement design.\u003cstrong\u003e\u003cbr\u003e\u003cbr\u003eWhats new on the Max-R21 Version 2?\u003c\/strong\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eCrankcase design is from R2106\u003c\/li\u003e\n\u003cli\u003eThe crankshaft has 3 bronze counterweights for better low\/mid range speed feel and easier to handle\u003c\/li\u003e\n\u003cli\u003eNew outer head has better cooling and also with a new laser engravement design\u003c\/li\u003e\n\u003cli\u003eThe inner head has similar O-ring type used in the R2106\u003c\/li\u003e\n\u003cli\u003eThe carburetor is 21M4 which is same design as with the R2106 engine for easier adjustment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\u003cstrong\u003eStandard accessories\u003c\/strong\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eRP7 glow plug\u003c\/li\u003e\n\u003cli\u003e8.5mm venturi (purple)\u003c\/li\u003e\n\u003cli\u003eExhaust seal ring\u003c\/li\u003e\n\u003cli\u003eDust cap set (f3\/f16\/f18)\u003c\/li\u003e\n\u003cli\u003eFlywheel cone\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\u003cstrong\u003eSpecs:\u003c\/strong\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eDisplacement: 3.49cc\u003c\/li\u003e\n\u003cli\u003eBore: 16.08mm\u003c\/li\u003e\n\u003cli\u003eStroke: 17.20mm\u003c\/li\u003e\n\u003cli\u003eOutput: 2.75ps \/ 2.71hp @ 32000RPM\u003c\/li\u003e\n\u003cli\u003ePractical RPM range: 4000-44000\u003c\/li\u003e\n\u003cli\u003eEngine Weight: 350g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cbr\u003eCombo set includes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTR02 EFRA2165 Pipe\u003c\/li\u003e\n\u003cli\u003eMR02 Exhaust Manifolder\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"O.S.Engine","offers":[{"title":"Default Title","offer_id":42336251871310,"sku":"OS1F401","price":3149.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0610\/9672\/2510\/files\/OS1F401.jpg?v=1742603819","url":"https:\/\/hobbyviking.se\/products\/o-s-engine-1f401-o-s-max-r21-v-2-combo-set","provider":"FjernstyretDK","version":"1.0","type":"link"}