BFO WC9E7N Cylinder Head 70CC ATC70 72CM3

( Brand: Bfo ), ( Manufacturer Part Number: WC9E7N ), ( Bundle Listing: Yes ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Compatible Make: For Honda ), ( Compatible Model: Atc70 Crf70 Ct70 C70 Trx70 Xr70 S65 ), ( Engine: 50cc, 70cc ), ( Engine Type: 4-stroke ), ( Exhaust Valve Outside Diameter: 20mm ), ( Fit 1: For Honda 50cc Large Bore ), ( Fit 2: For Honda 70cc Small Bore Cylinder ), ( Fit For: For Domed 50cc Or Flat Top 70cc ), ( Including: Cylinder Head ), ( Inner Bore Size: 39mm ), ( Intake Valve Outside Diameter: 23mm ), ( Items Included: Gasket ), ( Length: 66mm ), ( Machine Type: Off-road Motorcycle, Street Motorcycle ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part. ), ( Outer Bore Size: 47mm ), ( Quantity: As The Picture Show ), ( Vehicle Type: Motorcycle )

Review BFO 70cc Cylinder Head Assembly Honda fits CT70 TRX70 CRF70 XR70

The BFO WC9E7N 70cc cylinder head is a high-performance upgrade for Honda ATV models, including the ATC70, CT70, TRX70, CRF70, and XR70 with a 72cm3 engine size. This cylinder head is meticulously engineered to provide enhanced power, torque, and improved engine efficiency.

The design of this cylinder head features a pre-machined and balanced combustion chamber, ensuring optimal fuel combustion and efficient power transfer. The oversized intake and exhaust ports facilitate improved gas flow, enabling the engine to breathe more efficiently and providing a noticeable boost in power.

The BFO WC9E7N cylinder head is made from premium materials, including a high-strength aluminum alloy for the cylinder head housing and steel for the exhaust ports. This not only ensures durability and longevity but also reduces weight, contributing to improved overall engine performance.

The cylinder head also comes with high-performance exhaust valves and seats that provide better sealing, reducing the risk of exhaust leaks and improving engine efficiency. The valves are designed to operate smoothly at high RPMs, allowing the engine to rev more freely and deliver increased power.

Additionally, the BFO WC9E7N cylinder head includes a high-performance cooling system with larger cooling fins and improved cooling channels. This ensures that the engine stays cooler during heavy use, preventing overheating and prolonging the life of the engine.

In summary, the BFO WC9E7N 70cc cylinder head is a top-tier performance upgrade for Honda ATV models. With its oversized intake and exhaust ports, high-strength materials, high-performance exhaust valves, and improved cooling system, this cylinder head delivers enhanced power, torque, and improved engine efficiency.

Buying a BFO WC9E7N 70cc cylinder head for Honda ATC70, CT70, TRX70, CRF70, and XR70 72cm3 engines comes with both advantages and disadvantages. Let's examine each in detail:

1. Performance: The BFO WC9E7N cylinder head is designed to provide better performance. It has a more efficient combustion chamber, which leads to increased power and torque. This can result in a smoother riding experience and improved acceleration.

2. Durability: This cylinder head is made from high-quality materials, ensuring it can withstand the rigors of off-road riding. It's also designed to last longer than the stock cylinder head, reducing the need for frequent replacements.

3. Compatibility: This cylinder head is specifically designed for Honda ATV models, ensuring a perfect fit and compatibility with the engine.

1. Cost: The BFO WC9E7N cylinder head is more expensive than the stock cylinder head. This can be a significant investment for some riders, especially those on a budget.

2. Installation: Installing a new cylinder head can be a complex process, requiring specialized tools and knowledge. It's recommended that this installation be done by a professional mechanic to ensure it's done correctly and safely.

3. Potential power increase: While the increased power and torque can be beneficial, it may also require adjustments to other parts of the engine or exhaust system to ensure optimal performance and prevent damage.

The BFO WC9E7N 70cc cylinder head can provide significant performance improvements, increased durability, and compatibility with Honda ATV models. However, it comes with a higher cost, potential for complex installation, and the need for potential adjustments to other parts of the engine.

If you're looking to significantly improve the performance of your Honda ATV and are willing to invest in a high-quality cylinder head, then the BFO WC9E7N 70cc cylinder head may be the right choice for you. However, if you're on a tight budget or unsure about the installation process, it may be worth considering other options or waiting until you have the necessary resources to make the upgrade.

Details:

For Honda ATC70 1978-1985. For Honda S65. This head will only work with FLAT TOP pistons. Manufacturer.

G guaranteed Fitment. This head will only work with DOMED pistons. Cylinder Head for Honda CRF70 XR70 CT70 C70 ATC70 TRX70 S65 50cc Large Bore / 70cc Small. Quick, Simple.

For Honda TRX70. Always the correct part. Compare the Combustion Chamber Size shown below, to your current head. Fast Shipping.

part #: wc9e7n prices

• $19.99-$47.59

specifications cylindermotorcycleiz:

• for models: Ct70, Trx70, Crf70, Xr70
• for makes: Honda
• brand: Bfo
• mpn: Wc9e7n
• bundle listing: Yes
• california prop 65 warning: California Prop 65 Warning
• compatible make: For Honda
• compatible model: Atc70 Crf70 Ct70 C70 Trx70 Xr70 S65
• engine: 50cc, 70cc
• engine type: 4-stroke
• exhaust valve outside diameter: 20mm
• fit 1: For Honda 50cc Large Bore
• fit 2: For Honda 70cc Small Bore Cylinder
• fit for: For Domed 50cc Or Flat Top 70cc
• including: Cylinder Head
• inner bore size: 39mm
• intake valve outside diameter: 23mm
• items included: Gasket
• length: 66mm
• machine type: Off-road Motorcycle, Street Motorcycle
• note: No Instruction Included
• notice: This Is Aftermarket Replcement Part.
• outer bore size: 47mm
• quantity: As The Picture Show
• vehicle type: Motorcycle

payments cylindermotorcycleiz:

• other
• wallet: Google-pay
• credit card: Discover

shipping cylindermotorcycleiz:

• cost: $0.00
• type: Fixed
• transit: 4-8 Days
• service: FedEx Ground or FedEx Home Delivery
• carrier: FedEx
• class: Standard

general cylindermotorcycleiz:

• condition: New
• Motorcycle Scooter Parts Accessories > Engines Engine Parts > Cylinder Heads

returns cylindermotorcycleiz:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

seller cylindermotorcycleiz:

• rating: 99.3%
• # reviews: 514
• city: Dayton, New Jersey

offer cylindermotorcycleiz:

• started: July 6, 2025
• sold: 0
• availability: In Stock
• best offers: True
• options: Ship-to-home

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