1. Motorcycle Cylinder Heads & Valve Covers For Sale
  2. sku: 13977276391983853
  3. BFO XC7FGL

BFO XC7FGL Cylinder Head 70CC ATC70 72CM3

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

Xc7fgl Bfo 70cc Cylinder Head Assembly For Honda Atc70 Ct70 Trx70 Crf70 Xr70 72cm3

( Brand: Bfo ), ( Manufacturer Part Number: XC7FGL ), ( 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: 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 XC7FGL 70cc cylinder head is an essential upgrade for Honda ATC70, CT70, TRX70, CRF70, and XR70 models with a 72cm3 engine. This high-performance cylinder head is designed to deliver superior power and torque, making it an ideal choice for racers, off-road enthusiasts, and anyone looking to get the most out of their Honda mini bike.

The BFO XC7FGL cylinder head features a CNC-machined aluminum construction, which not only ensures a perfect fit but also provides excellent heat dissipation. The head includes large 32mm intake and 27mm exhaust valves, which increase the flow rate of air and exhaust gases, allowing for a more efficient combustion process. The valves are made from high-strength materials, ensuring durability and longevity.

The cylinder head also includes a high-performance camshaft, which provides improved valve timing and lift, resulting in increased power and torque. The camshaft is made from high-strength steel and features a roller design for smooth operation and reduced friction.

The BFO XC7FGL cylinder head also includes a new combustion chamber design, which provides improved combustion efficiency and reduces the risk of detonation. The chamber is designed to accommodate a larger jet size, allowing for a richer fuel mixture and improved power delivery.

The cylinder head comes with a new gasket set and includes all necessary hardware for installation. The installation process is relatively straightforward and can be completed with common hand tools. However, it's always recommended to consult with a professional mechanic or the Honda dealer for any installation questions or concerns.

In summary, the BFO XC7FGL 70cc cylinder head is a high-performance upgrade for Honda ATC70, CT70, TRX70, CRF70, and XR70 models with a 72cm3 engine. It features a CNC-machined aluminum construction, large intake and exhaust valves, a high-performance camshaft, and a new combustion chamber design. This cylinder head delivers superior power and torque, making it an excellent choice for anyone looking to take their mini bike to the next level.

The BFO XC7FGL 70cc cylinder head is a popular aftermarket upgrade for various Honda mini-bikes, including the ATC70, CT70, TRX70, CRF70, and XR70 72cm3 models. This upgrade can provide several benefits and drawbacks, which are outlined below:

Pros:

1. Increased power: The BFO cylinder head is designed to provide more power and torque, which can make the mini-bike faster and more responsive.

2. Improved cooling: The cylinder head features improved cooling fins that can help the engine run cooler and more efficiently, especially during prolonged use.

3. Enhanced durability: The BFO cylinder head is made from high-quality materials and is designed to last longer than the stock cylinder head.

4. Better fuel economy: The increased efficiency of the engine can lead to better fuel economy, allowing riders to go further on a single tank of gas.

Cons:

1. Cost: The BFO cylinder head is a more expensive upgrade than the stock cylinder head, which can be a deterrent for some riders.

2. Installation complexity: Installing the BFO cylinder head can be a complex process that requires some mechanical skills and specialized tools.

3. Potential for increased emissions: The increased power output of the engine can lead to higher emissions, which may not be ideal for riders who are concerned about the environment.

Conclusion:

The BFO XC7FGL 70cc cylinder head is a high-performance upgrade for various Honda mini-bikes that can provide significant benefits, such as increased power, improved cooling, enhanced durability, and better fuel economy. However, it also comes with some drawbacks, such as cost, installation complexity, and potential for increased emissions. Ultimately, the decision to buy this upgrade depends on the individual rider's priorities and budget.

Recommendation:

If you are a serious mini-bike enthusiast who values performance and durability, the BFO XC7FGL 70cc cylinder head is a worthwhile investment. However, if you are on a tight budget or prefer a more stock riding experience, you may want to consider other upgrades or wait until you have more resources to make the purchase. Regardless of your decision, make sure that you have the necessary skills and tools to install the cylinder head properly to ensure optimal performance and safety.

Details:

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

Quick, Simple. Manufacturer. 70cc Cylinder Head Assembly for Honda ATC70 CT70 TRX70 CRF70 XR70 70CC 72CM3.guaranteed Fitment.

This head will only work with FLAT TOP pistons. For Honda S65. Cylinder Head for Honda CRF70 XR70 CT70 C70 ATC70 TRX70 S65 50cc Large Bore / 70cc Small. This head will only work with DOMED pistons.

part #: xc7fgl prices

  • $19.99-$62.62

specifications cylindermotorcycleiz:

  • for models: Ct70, Trx70, Crf70, Xr70
  • for makes: Honda
  • brand: Bfo
  • mpn: Xc7fgl
  • 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: Instruction Included
  • notice: This Is Aftermarket Replcement Part.
  • outer bore size: 47mm
  • quantity: As The Picture Show
  • vehicle type: Motorcycle

general cylindermotorcycleiz:

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

shipping cylindermotorcycleiz:

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

returns cylindermotorcycleiz:

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

offer cylindermotorcycleiz:

  • best offers: True
  • sold: 0
  • started: March 29, 2026
  • availability: In Stock
  • options: Ship-to-home

payments cylindermotorcycleiz:

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

seller cylindermotorcycleiz:

  • city: Elk Grove Village, Illinois
  • # reviews: 941
  • rating: 98.8%
for models: ct70, trx70, crf70, xr70, 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: 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: 13977276391983853,
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5 offers $19.99–$62.62 USD
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