BFO OD5XAC Cylinder Head 70CC ATC70

( Brand: Bfo ), ( Manufacturer Part Number: OD5XAC ), ( 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 CRF70 CT70 C70 TRX70 XR70 S65

The BFO Od5xac 70cc Cylinder Head is a high-performance upgrade for Honda ATV models, including the CRF70, CT70, C70, TRX70, and XR70 S65. This cylinder head is designed to enhance the power output and overall engine performance of your Honda ATV.

The BFO Od5xac Cylinder Head features a 70cc displacement, which is an increase from the stock 58.5cc. This larger displacement allows for more power to be generated from the engine. The cylinder head is also engineered with a high-flow port design, which improves the flow of air and fuel into the cylinders. This results in more efficient combustion and a more powerful combustion process.

The BFO Od5xac Cylinder Head is made from high-quality aluminum alloy, ensuring durability and reliability. The cylinder head also comes with a high-performance exhaust port design, which helps to maximize exhaust gas flow and further enhance engine performance.

The BFO Od5xac Cylinder Head also includes a high-performance camshaft, which is designed to provide increased lift and duration for improved engine power and torque. The camshaft is also designed to provide better valve timing, which helps to ensure optimal engine performance across the entire RPM range.

The BFO Od5xac Cylinder Head is easy to install and comes with all necessary hardware for installation. It is important to note that installation should only be performed by a qualified technician to ensure proper installation and safe operation of the ATV.

In conclusion, the BFO Od5xac 70cc Cylinder Head is a high-performance upgrade for Honda ATV models that delivers increased power and improved engine performance. Its high-flow port design, large 70cc displacement, high-performance exhaust port design, and high-performance camshaft all work together to provide a significant boost in power and torque. The cylinder head is made from high-quality aluminum alloy and is easy to install with all necessary hardware included. However, it is important to have the cylinder head installed by a qualified technician to ensure safe and proper operation of the ATV.

Buying a BFO Od5xac 70cc cylinder head for a Honda ATV model such as the CRF70, CT70, C70, TRX70, or XR70 S65 can have its advantages and disadvantages. Here's a detailed analysis:

1. Increased Power: A larger cylinder head generally results in increased power output, making your ATV more potent and responsive.

2. Improved Performance: The BFO Od5xac cylinder head is designed to provide better fuel economy and cooling efficiency, resulting in improved overall performance.

3. Enhanced Durability: The cylinder head is made from high-quality materials, ensuring it can withstand the rigors of off-road riding and last longer than the stock part.

1. Cost: The BFO Od5xac cylinder head is more expensive than the stock part, which could be a significant investment for some riders.

2. Installation Complexity: Installing a new cylinder head can be a complex process, requiring specialized tools and technical expertise.

3. Potential Compatibility Issues: While the BFO Od5xac cylinder head is designed to fit various Honda ATV models, there's a possibility of compatibility issues, which could lead to additional costs and downtime.

The decision to buy a BFO Od5xac 70cc cylinder head for your Honda ATV depends on your priorities. If you're looking for increased power and performance, this upgrade could be worth the investment, despite the complex installation process and potential compatibility issues. However, if you're on a tight budget or prefer a more straightforward modification, you might want to consider other options.

If you decide to go ahead with the upgrade, ensure you purchase the cylinder head from a reputable dealer, and have it installed by a professional mechanic to minimize the risks of compatibility issues and ensure proper installation. Additionally, consider the potential resale value of your ATV and whether the upgrade justifies the investment.

Details:

This head will only work with DOMED pistons. For Honda S65. 70cc Cylinder Head Assembly for Honda ATC70 CRF70 CT70 C70 TRX70 XR70 S65. Manufacturer.

Quick, Simple.guaranteed Fitment. Cylinder Head for Honda CRF70 XR70 CT70 C70 ATC70 TRX70 S65 50cc Large Bore / 70cc Small. Always the correct part.

This head will only work with FLAT TOP pistons. Fast Shipping. Compare the Combustion Chamber Size shown below, to your current head. For Honda TRX70.

part #: od5xac prices

• $19.99-$58.04

specifications cylindermotorcycleiz:

• for models: Crf70, Ct70, C70, Trx70, Xr70, S65
• for makes: Honda
• brand: Bfo
• mpn: Od5xac
• 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

returns cylindermotorcycleiz:

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

shipping cylindermotorcycleiz:

• carrier: FedEx
• cost: $0.00
• class: Standard
• type: Fixed
• service: FedEx Ground / FedEx Home Delivery
• transit: 3-7 Days

offer cylindermotorcycleiz:

• quantity: 11
• sold: 0
• best offers: True
• availability: In Stock
• started: February 24, 2026
• options: Ship-to-home

seller cylindermotorcycleiz:

• city: Elk Grove Village, Illinois
• # reviews: 795
• rating: 99.1%

payments cylindermotorcycleiz:

• credit card: Diners-club
• other
• wallet: Paypal

general cylindermotorcycleiz:

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

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