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  • JOG 70cc Cylinder Assy(Pin 10mm)
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JOG 70cc Cylinder Assy(Pin 10mm) - Model MIJOG70-4003-10
JOG 70cc cylinder, big bore kit, 47mm piston cylinder, 1E40QMB cylinder, 10mm piston pin, JOG performance upgrade, 2-stroke cylinder, scooter big bore, 70cc upgrade kit, Yamaha JOG cylinder  JOG 70cc cylinder, big bore kit, 47mm piston cylinder, 1E40QMB cylinder, 10mm piston pin, JOG performance upgrade, 2-stroke cylinder, scooter big bore, 70cc upgrade kit, Yamaha JOG cylinder  High-performance 70cc sport cylinder kit for JOG 50cc 2-stroke scooters (1E40QMB engine). Includes 47mm piston with 10x38mm pin. Essential big bore upgrade kit for improved performance. Compatible with various scooter models.  JOG 70cc Cylinder Assembly Pin 10mm | Big Bore Kit 47mm Piston 1E40QMB Performance 

JOG 70cc Cylinder Assy(Pin 10mm)

  • Brand: Mortch Motor
  • Product Code: MIJOG70-4003-10
  • Product Viewed: 268
  • Availability: In Stock
  • Weight: 1.60kg
  • Packing Size: 12.00 x 11.00 x 10.00cm

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  • US$15.80 962 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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