{"product_id":"o-s-speed-r2106-combo-set-tr03-efra2196-mr05","title":"O.S. Speed R2106 Combo Set Tr03 Efra2196 \u0026 Mr05","description":"\u003cdiv class=\"hidden-tabs-name\" data-tab-header=\"description\"\u003eDescription\u003c\/div\u003e                     \u003cdiv class=\"description\"\u003eO.S. SPEED R2106 is the factory tuned engine developed for 1\/8 on-road racing competition. The new engine 9 port cylinder liner with re-designed port for more power. Also for great power feel from low end, we have adopted crankshaft from R21 Euro II and well received ceramic ball bearing from offroad engines. Newly designed reinforced connecting rod is now stronger to withstand all the harsh on-road racing scenes.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpec---------------------------\u003c\/strong\u003e\u003cbr\u003eDisplacement： 3.49 cc \/ 0.213cu.in.\u003cbr\u003eBore: 16.08mm \/ 0.633 in.\u003cbr\u003eStroke: 17.20mm \/ 0.677 in.\u003cbr\u003eOutput :2.80 ps \/ 2.76 hp \/ 35,000 r.p.m.\u003cbr\u003epractical rpm range: 4,000-45,000 r.p.m.\u003cbr\u003eEngine Weight:345g \/ 12.17 oz.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eStandard accessories---------------------------\u003c\/strong\u003e\u003cbr\u003eGlow plug T-RP7\u003cbr\u003eReducer φ8.5(RED)\u003cbr\u003eExhaust seal ring\u003cbr\u003eDust cap set 12-30(φ3、φ16、φ18)\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cul\u003e \u003cli\u003e9 port with re-designed port for better air flow for more torque.\u003c\/li\u003e \u003cli\u003eNewly designed reinforced connecting rod is now stronger to withstand all the harsh on-road racing scenes. *For identification letter \"R\" is engraved on the connecting rod\u003c\/li\u003e \u003cli\u003eOuter head adopts O.S. SPEED image color black with laser engraving.\u003c\/li\u003e \u003cli\u003eRear bearing is ceramic ball bearing for better low end feeling.\u003c\/li\u003e \u003cli\u003eAdopts crankshaft from R21 Euro II for better mid end feel.\u003c\/li\u003e \u003cli\u003eBased on 21M from R2105, revised needle, slide valve and metering needle for easier adjustment and better low to mid end power delivery.\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e","brand":"OS Engines","offers":[{"title":"Default Title","offer_id":60444292350286,"sku":"SCH-OS1EY05","price":506.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/1741\/0894\/files\/97d263d5-65ce-4c41-9976-b01068f14bc0.jpg?v=1787133453","url":"https:\/\/www.makeitbuildit.co.uk\/products\/o-s-speed-r2106-combo-set-tr03-efra2196-mr05","provider":"Make It Build It","version":"1.0","type":"link"}