1. Motorcycle Cylinder Heads & Valve Covers For Sale
  2. sku: 13676206302896604
  3. BFO OW7G8X

BFO OW7G8X Cylinder Head Kit ATC70 70CC 50CC

fits model: Crf70, Xr70, Ct70, C70, Trx70, S65. make: Honda.

Ow7g8x Bfo Cylinder Head Kit Fit For Honda Crf70 Xr70 Ct70 C70 Atc70 Trx70 S65 70cc 50cc

( Brand: Bfo ), ( Manufacturer Part Number: OW7G8X ), ( 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 Cylinder Head Kit Fit Honda 70cc 50cc fits CRF70 XR70 CT70 C70 TRX70 S65

Introducing the BFO OW7G8X Cylinder Head Kit, an essential upgrade for your Honda CRF70, XR70, CT70, C70, AT70, TRX70, or S65 70cc or 50cc mini bike. This cylinder head kit is meticulously engineered to deliver improved performance, reliability, and durability for your Honda mini bike.

The BFO OW7G8X Cylinder Head Kit comes with a high-performance cylinder head that features a large intake port design. This innovative design increases the volume of air and fuel mixture entering the combustion chamber, resulting in more power and torque. Additionally, the cylinder head is CNC machined for a precise fit and finish, ensuring optimal engine performance.

The kit also includes new exhaust ports that improve engine breathing, allowing for more efficient combustion and a smoother power delivery. The exhaust ports are designed with a larger diameter and a more aggressive angle, which reduces backpressure and improves exhaust flow.

Moreover, the BFO OW7G8X Cylinder Head Kit comes with new pistons and rings that are specifically designed to match the high-performance cylinder head. The pistons are made from a high-strength material, ensuring they can withstand the increased power output. The rings are designed to provide a better seal, reducing engine blow-by and improving combustion efficiency.

The kit also includes new cylinder head gaskets that ensure a perfect seal between the cylinder head and the engine block. These gaskets are made from a high-temperature material and are precision-machined to ensure a proper fit and seal.

Furthermore, the BFO OW7G8X Cylinder Head Kit includes new valves and valve springs that provide improved engine performance and reliability. The valves are made from a high-quality material that ensures they can withstand the increased heat and pressure inside the engine. The valve springs are designed to provide the proper valve lift and duration for optimal engine performance.

In conclusion, the BFO OW7G8X Cylinder Head Kit is an excellent investment for any Honda CRF70, XR70, CT70, C70, AT70, TRX70, or S65 70cc or 50cc mini bike owner looking to improve performance, reliability, and durability. This kit includes all the necessary components to upgrade your stock cylinder head, including a high-performance cylinder head, new pistons and rings, new exhaust ports, new cylinder head gaskets, new valves and valve springs, and more. With its superior design and high-quality components, the BFO OW7G8X Cylinder Head Kit is sure to take your mini bike to the next level.

Buying a BFO OW7G8X cylinder head kit for Honda CRF70, XR70, CT70, C70, AT70, TRX70, S65, and 70cc or 50cc models can be a significant investment for motorbike enthusiasts or those looking to repair their Honda dirt bikes. Here are some potential pros and cons to consider before making a purchase:

Pros:

1. Improved Performance: A new cylinder head can enhance the power output and performance of your Honda dirt bike. This can lead to better acceleration, increased top speed, and improved throttle response.

2. Durability: A high-quality cylinder head kit can provide better durability and longer lifespan compared to the stock OEM part. This can save you money in the long run by reducing the need for frequent replacements.

3. Customization: A new cylinder head kit can allow for customization options, such as porting or flowing the head for improved airflow and power. This can make your Honda dirt bike stand out from the competition.

4. Cost-Effective: In some cases, buying a cylinder head kit may be more cost-effective than buying a new motorbike or even a new engine.

Cons:

1. Complex Installation: Installing a cylinder head kit can be a complex and time-consuming process. It requires specialized tools and knowledge, which can add to the overall cost and time investment.

2. Risk of Damage: Installing a cylinder head kit incorrectly can result in damage to other components or even the engine itself. This can lead to additional repair costs and downtime.

3. Compatibility Issues: Not all cylinder head kits are compatible with all Honda dirt bike models. It is essential to ensure that the kit you choose is compatible with your specific model before making a purchase.

4. Cost: A high-quality cylinder head kit can be expensive. While it may offer better performance and durability, the cost may be a significant consideration for some motorbike owners.

Conclusion:

A BFO OW7G8X cylinder head kit for Honda CRF70, XR70, CT70, C70, AT70, TRX70, S65, and 70cc or 50cc models can offer significant performance improvements, increased durability, and customization options. However, it also comes with complex installation, compatibility issues, and a high cost.

Before making a purchase, it is essential to consider your specific needs, budget, and technical abilities. If you have the skills and resources to install the kit correctly and are looking for significant performance improvements, then a cylinder head kit may be an excellent investment. However, if you are unsure about your technical abilities or have limited resources, then it may be more cost-effective to stick with the stock OEM part.

Recommendation:

If you are confident in your technical abilities and have the resources to install the kit correctly, then a BFO OW7G8X cylinder head kit for your Honda dirt bike can offer significant performance improvements and increased durability. However, if you are unsure about your technical abilities or have limited resources, then it may be more cost-effective to stick with the stock OEM part or consider other upgrades that may be more accessible to your skill level and budget.

Details:

Telephone number. Fast Shipping. For Honda S65. Guaranteed, Fitment Always the correct part.

This head will only work with DOMED pistons. Compare the Combustion Chamber Size shown below, to your current head. This head will only work with FLAT TOP pistons. PRODUCT DISPLAY Cylinder Head Kit Fit for Honda CRF70 XR70 CT70 C70 ATC70 TRX70 S65 70cc 50cc.

Cylinder Head for Honda CRF70 XR70 CT70 C70 ATC70 TRX70 S65 50cc Large Bore / 70cc Small. For Honda TRX70.

part #: ow7g8x prices

  • $19.99-$47.59

specifications cylindermotorcycleiz:

  • for models: Crf70, Xr70, Ct70, C70, Trx70, S65
  • for makes: Honda
  • brand: Bfo
  • mpn: Ow7g8x
  • 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

offer cylindermotorcycleiz:

  • options: Ship-to-home
  • best offers: True
  • availability: In Stock
  • started: February 14, 2026
  • sold: 0

shipping cylindermotorcycleiz:

  • cost: $0.00
  • type: Fixed
  • service: FedEx Ground / FedEx Home Delivery
  • transit: 4-7 Days
  • class: Standard
  • carrier: FedEx

general cylindermotorcycleiz:

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

seller cylindermotorcycleiz:

  • city: Elk Grove Village, Illinois
  • # reviews: 2275
  • rating: 98.9%

payments cylindermotorcycleiz:

  • other
  • wallet: Apple-pay
  • credit card: Diners-club

returns cylindermotorcycleiz:

  • paid by: Seller
  • time: 30 Days
  • policy: Returns Accepted
for models: crf70, xr70, ct70, c70, trx70, s65, for makes: honda, 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,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > cylinder heads, sku: 13676206302896604,
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