Gexpress Is a Startup Dedicated to You. Shop With Confidence—Refunds Are Easy Through !
Motorcycle and light motorcycle accessories
US /en/
USD
Hello, Sign In
Account & Lists
Cart
38mama 45mama 50caocao-70cc big bore cylinder head for 2-stroke engine compatible with various models
49 Sold
USD 15.29USD15.74
95% Limited Time
About This Item
Excellent compatibility: suitable for many types of 2-stroke engines, ensuring a wide range of applications.
Powerful performance improvement: 38mm and 45mm aperture design provide extra power to make your vehicle faster when accelerating.
Excellent heat dissipation capacity: The large-displacement 70cc cylinder head design effectively reduces engine temperature and extends service life.
Simple installation method: Equipped with convenient installation accessories, suitable for DIY enthusiasts, it can easily replace the original cylinder head.
Long-lasting durability: Made of corrosion-resistant materials to ensure that it is not easily damaged during long-term use and improves the overall use experience.
Sold To
United States
USD 16.03
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
Installation Instructions for 38mm 45mm 50cc-70cc Big Bore Cylinder Head for 2-Stroke Engine
Tools Needed:
- Socket wrench set
- Screwdriver set (both Phillips and flathead)
- Torque wrench
- Pliers
- Allen wrench set (if applicable)
- Clean cloth or shop towels
- Gasket scraper or razor blade (for removing old gasket)
- Torque specifications guide (if available)
Installation Steps:
-
Preparation:
- Ensure the engine is cool to avoid burns.
- Disconnect the spark plug to prevent accidental ignition.
- Remove any components obstructing access to the cylinder head (e.g., air filter, carburetor, exhaust).
-
Remove Old Cylinder Head:
- Using the appropriate socket or wrench, loosen and remove the bolts securing the old cylinder head.
- Carefully lift off the old cylinder head. If necessary, use a gasket scraper or razor blade to remove remnants of the old gasket.
-
Clean the Surface:
- Thoroughly clean the surface of the cylinder block where the new head will be installed.
- Remove any debris or old gasket material to ensure a proper seal with the new head.
-
Install New Cylinder Head:
- Position the new big bore cylinder head onto the cylinder block.
- Ensure the alignment is correct, matching any dowel pins or alignment features.
-
Secure the Cylinder Head:
- Hand-tighten the bolts to secure the cylinder head in place.
- Using a torque wrench, follow the manufacturer’s specifications to tighten the bolts evenly in a crisscross pattern to ensure even pressure distribution.
-
Reassemble Components:
- Reinstall any components that were removed for access, including the carburetor, air filter, and exhaust.
- Reconnect the spark plug securely.
-
Final Checks:
- Check all connections and ensure all tools are removed from the engine area.
- If applicable, refill the coolant or oil to the appropriate levels.
-
Start the Engine:
- Start the engine and allow it to idle for a few minutes.
- Monitor for any leaks or unusual noises, and ensure proper operation.
By following these instructions and using the specified tools, you can successfully install the 38mm 45mm 50cc-70cc big bore cylinder head for enhanced performance in your 2-stroke engine. Enjoy your improved ride!
Description
This product includes a compatible big bore cylinder head suitable for 50cc to 70cc 2-stroke engines. It is designed to enhance engine performance and efficiency. Installation should be performed by a professional mechanic to ensure proper fitting and operation. Please confirm product availability before placing an order.
TAG：
Motorcycle and light motorcycle accessories
Related Items
