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performance piston kit 4-valve 58.5 facade room orgy6 125caocao 150cc engines upgrade to 160cc compatible with 152QM i 157Q MJ 4-stroke
181 Sold
USD 11.99USD12.34
91% Limited Time
About This Item
Strong compatibility: This piston kit is suitable for GY6 125cc and 150cc engines, upgrade to 160cc, perfectly matches 152QMI and 157QMJ models.
Improved power: The 4-valve design effectively improves airflow and combustion efficiency, significantly enhancing the vehicle's acceleration performance and power output.
Easy to install: This product adopts a user-friendly design and comes with a detailed installation guide, allowing DIY enthusiasts to easily complete the installation.
Durable materials: Made of high temperature and wear-resistant materials to ensure reliable operation for a long time and extend the service life of the engine.
Performance optimization: Improve the overall performance of the vehicle, suitable for street driving and off-road needs, and bring a better experience to your riding.
Sold To
United States
USD 8.02
Delivery: 7-15 Business Days
Fast Delivery
Refund If Package Lost
Refund If Items Damaged
Refund If No Delivery in 30 Days
Quantity
1
Installation Instructions
https://static.gexexpress.com/uploads2/20241231/173564652993.jpg
https://static.gexexpress.com/uploads2/20241231/173564653163.jpg

Performance Piston Kit Installation Instructions

Tools Required:

  1. Socket Set (including metric sockets)
  2. Torque Wrench
  3. Piston Ring Compressor
  4. Wrench Set
  5. Screwdrivers (flathead and Phillips)
  6. Pliers
  7. Bike Stand or Lift (for better access)
  8. Oil Pan (to catch any engine oil)
  9. Clean Rags or Paper Towels (for cleaning)
  10. Engine Assembly Lubricant
  11. Gasket Scraper (if needed)
  12. Safety Goggles and Gloves (for personal protection)

Installation Steps:

  1. Preparation:

    • Ensure you have all the necessary tools and parts ready before starting.
    • Work in a clean, dry area to avoid dirt contamination.
  2. Disassemble Engine:

    • Remove the bike's seat and any body panels necessary to access the engine.
    • Drain the engine oil using an oil pan and remove any external components that may obstruct access to the head.
  3. Remove Cylinder Head:

    • Use the socket set to remove the cylinder head bolts.
    • Carefully lift the cylinder head off the engine.
  4. Remove Old Piston:

    • If applicable, take off the cylinder and disconnect the piston from the connecting rod by removing the wrist pin.
    • Remove the old piston rings and take note of the arrangement.
  5. Install New Piston:

    • Apply a light coat of engine assembly lubricant on the new piston and rings.
    • Install the piston rings onto the new piston, ensuring they are properly seated.
    • Use the piston ring compressor to carefully install the new piston into the cylinder.
  6. Reassemble Engine:

    • Place the cylinder back over the new piston and secure it with bolts, tightening to the manufacturer's specifications using a torque wrench.
    • Reinstall the cylinder head, ensuring the gasket is in place and torque the bolts to specification.
  7. Final Assembly:

    • Reattach any external components you removed, including wiring harnesses and intake/exhaust connections.
    • Fill the engine with new oil, making sure to check levels.
  8. Testing:

    • Start the engine and allow it to warm up. Monitor for any unusual noises or leaks.
    • Take the vehicle for a short test ride to ensure everything is functioning properly.

Safety Precautions:

  • Always wear safety goggles and gloves when working on the engine.
  • Make sure the engine is off and cool before beginning any disassembly.

By following these steps carefully and using the right tools, you can successfully install the Performance Piston Kit, enhancing your engine's performance for a better riding experience.

Description
This performance piston kit is designed for GY6 125cc and 150cc engines, allowing an upgrade to 160cc. It is compatible with 152QMI and 157QMJ 4-stroke engines, enhancing overall performance. Please ensure compatibility with your model and part number before ordering.
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Auto parts
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