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JOG 70cc Cylinder Assy(Pin 12mm) - Model MIJOG70-4003-12
JOG cylinder, 70cc cylinder, 47mm cylinder, 1E40QMB cylinder, 12mm pin, big bore kit, scooter upgrade, high performance, JOG parts, cylinder assembly, 2-stroke cylinder  JOG cylinder, 70cc cylinder, 47mm cylinder, 1E40QMB cylinder, 12mm pin, big bore kit, scooter upgrade, high performance, JOG parts, cylinder assembly, 2-stroke cylinder  Upgrade your JOG scooter with this 70cc sport cylinder kit. Features 47mm piston with 12mm pin for 1E40QMB 2-stroke engines. High-performance big bore kit to replace original 50cc cylinder. Includes matched piston for optimal power output.  JOG 70cc Cylinder Kit 47mm Pin 12mm | 1E40QMB Big Bore Upgrade 

JOG 70cc Cylinder Assy(Pin 12mm)

  • Brand: Mortch Motor
  • Product Code: MIJOG70-4003-12
  • Product Viewed: 221
  • Availability: In Stock
  • Weight: 1.59kg
  • Packing Size: 12.00 x 11.00 x 10.00cm

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  • US$15.80 5 SOLD


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Scooters equipped with 50cc 2-stroke cylinders (1E40QMB) are becoming increasingly common on the roads. However, their performance is often underwhelming. Upgrading with this 70cc sport cylinder is an excellent way to boost power and riding enjoyment. This cylinder is a direct replacement for the original unit.

💡 Performance Tip: For optimal performance and fitment, we recommend using this cylinder with the 70cc cylinder cover (sold separately). This combination ensures proper cooling and sealing for your upgraded setup.
📏 Technical Specifications
  • Displacement: 70cc
  • Piston Diameter: Ф47mm
  • Piston Pin Size: Ф12 × 38mm
  • Engine Type: 1E40QMB / 2-Stroke
⚠️ Please verify your engine type and specifications before ordering to ensure compatibility.
🔧 Compatibility Notice
  • Please verify that this part fits your specific vehicle model and year. Many vehicles share similar names but use different components depending on year or market region.
  • We strongly recommend cross-checking with your vehicle's owner's manual or contacting us for confirmation before placing your order.
📄 Product Disclaimer
  • Product images, measurements, and descriptions are for reference only. Slight variations in color or appearance may occur due to manufacturing batches or photography lighting—functional specifications remain identical to the ordered part.
  • Professional installation is mandatory. Mortch Motor assumes no liability for damages, injuries, or losses resulting from improper installation, misuse, unauthorized modification, or abnormal operation.
💰 Import Duties & Taxes
  • All listed prices EXCLUDE shipping costs, import duties, taxes, and customs clearance fees. These charges (if applicable) are determined and collected by your local customs authority and are solely the buyer's responsibility.
  • In case of return due to unpaid duties/taxes or refusal to clear customs, the buyer shall bear the original shipping cost, return shipping fees, and any associated administrative charges deducted from the refund.
📌 Order Confirmation: By completing your purchase, you acknowledge that you have read, understood, and agreed to all terms above. For any questions, please contact our support team prior to ordering.

Tags: 1E40QMB, 60cc upgrades, Big Bore Kit, Block, Cylinder, High Performance, JOG, Set Motor

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