{"product_id":"gy6s-jog50-030-100b-taida-41-2-stroker-crankshaft-for-50cc-2-stroke-jog-minarelli-yamaha-engines","title":"TAIDA 41.2 STROKER CRANKSHAFT FOR 50CC 2-STROKE JOG, MINARELLI, YAMAHA ENGINES","description":"\u003cstrong\u003eTAIDA 41.2mm Stroker Crankshaft Kit for Yamaha JOG50 \u0026amp; Minarelli 2-Stroke Engines\u003c\/strong\u003e \u003ch2\u003e\u003cstrong\u003eIncludes Bearings \u0026amp; Oil Seals | 10mm Wrist Pin | Premium Performance Upgrade\u003c\/strong\u003e\u003c\/h2\u003e \u003cp\u003eIncrease displacement, torque, and overall engine performance with the \u003cstrong\u003eTAIDA 41.2mm Stroker Crankshaft Kit\u003c\/strong\u003e, engineered specifically for \u003cstrong\u003e50cc liquid-cooled and air-cooled Minarelli-based 2-stroke engines\u003c\/strong\u003e. Precision manufactured from high-strength forged steel, this crankshaft increases stroke from the factory \u003cstrong\u003e39.2mm\u003c\/strong\u003e to \u003cstrong\u003e41.2mm\u003c\/strong\u003e, adding displacement while significantly improving low and mid-range torque.\u003c\/p\u003e \u003cp\u003eUnlike stock crankshafts, the TAIDA stroker crank is built for higher RPM, increased cylinder pressures, and performance engine builds. This complete kit includes \u003cstrong\u003epremium crankshaft bearings and oil seals\u003c\/strong\u003e, making it an excellent choice for engine rebuilds and big bore conversions.\u003c\/p\u003e Performance Benefits \u003cul\u003e \u003cli\u003eIncreases crankshaft stroke from \u003cstrong\u003e39.2mm to 41.2mm\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eAdds engine displacement when paired with big bore cylinders\u003c\/li\u003e \u003cli\u003eImproved low-end torque\u003c\/li\u003e \u003cli\u003eStronger mid-range acceleration\u003c\/li\u003e \u003cli\u003eIncreased horsepower potential\u003c\/li\u003e \u003cli\u003eFaster throttle response\u003c\/li\u003e \u003cli\u003eBuilt for higher RPM operation\u003c\/li\u003e \u003cli\u003ePrecision balanced for smooth engine performance\u003c\/li\u003e \u003cli\u003eHeavy-duty forged construction\u003c\/li\u003e \u003cli\u003eExcellent upgrade for performance and racing builds\u003c\/li\u003e \u003c\/ul\u003e Features \u003cp\u003e✔ Genuine TAIDA Performance\u003c\/p\u003e \u003cp\u003e✔ 41.2mm Stroker Crankshaft\u003c\/p\u003e \u003cp\u003e✔ Precision balanced assembly\u003c\/p\u003e \u003cp\u003e✔ Heavy-duty forged connecting rod\u003c\/p\u003e \u003cp\u003e✔ 10mm wrist pin\u003c\/p\u003e \u003cp\u003e✔ High-strength forged steel construction\u003c\/p\u003e \u003cp\u003e✔ Includes premium crankshaft bearings\u003c\/p\u003e \u003cp\u003e✔ Includes new crankshaft oil seals\u003c\/p\u003e \u003cp\u003e✔ Direct replacement for compatible Minarelli-based engines\u003c\/p\u003e \u003cp\u003e✔ Designed for high-performance engine builds\u003c\/p\u003e Specifications \u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e TAIDA\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eStroke:\u003c\/strong\u003e 41.2mm\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eStock Stroke:\u003c\/strong\u003e 39.2mm\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eStroke Increase:\u003c\/strong\u003e +2.0mm\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWrist Pin Size:\u003c\/strong\u003e 10mm\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eConnecting Rod:\u003c\/strong\u003e Heavy-Duty Forged Steel\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eCrankshaft Material:\u003c\/strong\u003e Precision Forged Steel\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eBalance:\u003c\/strong\u003e Factory Precision Balanced\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eEngine Type:\u003c\/strong\u003e 2-Stroke\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eInstallation:\u003c\/strong\u003e Complete Crankshaft Replacement\u003c\/p\u003e Package Includes \u003cul\u003e \u003cli\u003e1 × TAIDA 41.2mm Stroker Crankshaft\u003c\/li\u003e \u003cli\u003e2 × Premium Main Bearings\u003c\/li\u003e \u003cli\u003e2 × Crankshaft Oil Seals\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eReady for installation during engine rebuilds or performance upgrades.\u003c\/p\u003e Engine Compatibility \u003cp\u003eFits many Minarelli-based 50cc 2-stroke engines including:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eYamaha JOG50\u003c\/li\u003e \u003cli\u003eYamaha JOG LC\u003c\/li\u003e \u003cli\u003eYamaha Aerox 50\u003c\/li\u003e \u003cli\u003eYamaha BWS \/ Zuma 50 (Minarelli models)\u003c\/li\u003e \u003cli\u003eYamaha 1PE40QMB\u003c\/li\u003e \u003cli\u003eMinarelli Horizontal Engines\u003c\/li\u003e \u003cli\u003eJog-based 2-Stroke Engines\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eAlways verify your engine model before purchasing.\u003c\/p\u003e Perfect For \u003cul\u003e \u003cli\u003eBig Bore Cylinder Kits\u003c\/li\u003e \u003cli\u003ePerformance Engine Rebuilds\u003c\/li\u003e \u003cli\u003eRacing Engines\u003c\/li\u003e \u003cli\u003eHigh Compression Builds\u003c\/li\u003e \u003cli\u003ePorted Cylinders\u003c\/li\u003e \u003cli\u003eCeramic Cylinder Kits\u003c\/li\u003e \u003cli\u003eStreet Performance Scooters\u003c\/li\u003e \u003cli\u003eTrack Builds\u003c\/li\u003e \u003c\/ul\u003e Recommended Supporting Upgrades \u003cp\u003eFor maximum performance, pair this crankshaft with:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eTAIDA 47mm Big Bore Cylinder Kit\u003c\/li\u003e \u003cli\u003ePerformance expansion chamber exhaust\u003c\/li\u003e \u003cli\u003ePerformance carburetor\u003c\/li\u003e \u003cli\u003eHigh-flow reed valve\u003c\/li\u003e \u003cli\u003ePerformance CDI\u003c\/li\u003e \u003cli\u003eLightweight variator\u003c\/li\u003e \u003cli\u003eUpgraded clutch components\u003c\/li\u003e \u003cli\u003ePremium synthetic 2-stroke oil\u003c\/li\u003e \u003c\/ul\u003e Why Upgrade to a Stroker Crank? \u003cp\u003eIncreasing crankshaft stroke increases the piston's travel inside the cylinder, creating greater engine displacement and improved cylinder filling. The result is:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eMore torque throughout the RPM range\u003c\/li\u003e \u003cli\u003eFaster acceleration\u003c\/li\u003e \u003cli\u003eIncreased horsepower potential\u003c\/li\u003e \u003cli\u003eBetter throttle response\u003c\/li\u003e \u003cli\u003eStronger pulling power\u003c\/li\u003e \u003cli\u003eImproved performance when combined with big bore cylinders\u003c\/li\u003e \u003c\/ul\u003e Installation Notes \u003cul\u003e \u003cli\u003eProfessional installation is recommended.\u003c\/li\u003e \u003cli\u003eAlways replace crankshaft bearings and seals during installation.\u003c\/li\u003e \u003cli\u003eVerify crankcase clearances when installing larger displacement cylinder kits.\u003c\/li\u003e \u003cli\u003eProper carburetor jetting is required after increasing engine displacement.\u003c\/li\u003e \u003cli\u003eFollow the recommended engine break-in procedure before sustained high-RPM operation.\u003c\/li\u003e \u003c\/ul\u003e Important Notice \u003cp\u003eThis performance crankshaft is intended for \u003cstrong\u003eoff-road, racing, or closed-course competition use where permitted by law\u003c\/strong\u003e. Always verify fitment before purchasing and ensure all supporting engine components are properly matched for safe, reliable operation.\u003c\/p\u003e","brand":"ChinesePartsPro","offers":[{"title":"Default Title","offer_id":53556400455992,"sku":"JOG50-030-100B","price":129.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0011\/8898\/6997\/files\/s-l1600__10876.1680126141.jpg?v=1792868036","url":"https:\/\/www.chinesepartspro.com\/products\/gy6s-jog50-030-100b-taida-41-2-stroker-crankshaft-for-50cc-2-stroke-jog-minarelli-yamaha-engines","provider":"ChinesePartsPro","version":"1.0","type":"link"}