1. Motorcycle Cylinder Heads & Valve Covers For Sale
  2. sku: 12166126646140752
  3. BFO FJD38Y

BFO FJD38Y Cylinder Head Set Performance 70CC 50CC

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

Fjd38y Bfo Cylinder Head Complete Set For Honda Crf70 Xr70 Ct70 C70 70cc 50cc Performance

( Brand: Bfo ), ( Manufacturer Part Number: FJD38Y ), ( 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 Complete Set Honda 70cc 50cc Performance fits CRF70 XR70 CT70 C70

Introducing the BFO FJD38Y Cylinder Head Set, a top-performing upgrade for Honda CRF70, XR70, CT70, and C70 motorcycles with engines that displace 70cc or 50cc. This cylinder head set is designed to deliver enhanced power, improved throttle response, and increased durability for riders seeking a more exhilarating riding experience.

The BFO FJD38Y Cylinder Head Set features a high-performance combustion chamber design, which allows for a more efficient fuel-air mixture. This results in a more complete combustion process, which in turn produces more power and torque. The head set also includes new, high-performance exhaust ports, which improve gas flow and further optimize power output.

The pistons in this cylinder head set are made from a high-strength material, ensuring superior durability and longevity. This is particularly important for off-road riding, where the engine is subjected to high temperatures, rough terrain, and heavy use. The pistons also have a new, optimized shape, which reduces friction and improves engine efficiency.

The cylinder head set also includes new, high-performance intake ports, which improve air flow into the engine. This results in better breathing, improved combustion efficiency, and a more responsive engine. The intake ports are designed to work in conjunction with the high-performance combustion chamber and exhaust ports to deliver maximum power and performance.

The BFO FJD38Y Cylinder Head Set is easy to install and comes with all necessary hardware, including new head gaskets, piston rings, and camshafts. The head set is also compatible with both stock and aftermarket carburetors, making it a versatile upgrade for a wide range of riders.

In summary, the BFO FJD38Y Cylinder Head Set is a high-performance upgrade for Honda CRF70, XR70, CT70, and C70 motorcycles. It delivers increased power, improved throttle response, and enhanced durability, making it an essential upgrade for riders seeking a more exhilarating riding experience. The head set features a high-performance combustion chamber design, optimized intake and exhaust ports, and high-strength pistons, all of which work together to deliver maximum performance and durability.

Buying a BFO FJD38Y cylinder head set for Honda CRF70, XR70, CT70, C70, 70cc, and 50cc motorcycles comes with several pros and cons that you should consider before making a purchase.

Pros:

1. Improved Performance: A new cylinder head set can help enhance the overall performance of your motorcycle. This includes increased horsepower, torque, and throttle response.

2. Enhanced Durability: A high-quality cylinder head set can help improve the longevity of your engine. This is especially important for off-road motorcycles that are subjected to rough terrain and heavy usage.

3. Better Fuel Efficiency: A more efficient cylinder head set can help improve your bike's fuel economy, which can save you money in the long run.

4. Smoother Engine Operation: A new cylinder head set can help reduce engine noise and vibration, resulting in a smoother and more enjoyable riding experience.

Cons:

1. Cost: A new cylinder head set can be a significant investment, especially for entry-level motorcycles. The cost of the BFO FJD38Y cylinder head set may be more than some riders are willing to pay.

2. Installation Complexity: Installing a new cylinder head set can be a complex and time-consuming process. It may require specialized tools and knowledge, which could result in additional costs.

3. Risk of Damage: During the installation process, there is a risk of damaging other components in the engine. This could result in additional repair costs.

In conclusion, the decision to buy a BFO FJD38Y cylinder head set for your Honda CRF70, XR70, CT70, C70, 70cc, or 50cc motorcycle depends on your individual needs and budget. If you value performance, durability, and fuel efficiency, then this upgrade may be worth the investment. However, if you are on a tight budget or are not comfortable with the installation process, then it may be best to consider other options.

Recommendation:

If you are considering purchasing a BFO FJD38Y cylinder head set for your Honda CRF70, XR70, CT70, C70, 70cc, or 50cc motorcycle, I would recommend doing thorough research on the product and considering the pros and cons carefully. You may also want to consult with a professional mechanic to assess the feasibility of the upgrade and the potential costs involved. Ultimately, the decision should be based on your individual riding style, budget, and goals for your motorcycle.

Details:

All messages. For Honda TRX70. This head will only work with FLAT TOP pistons. For Honda S65.

This head will only work with DOMED pistons. Cylinder Head for Honda CRF70 XR70 CT70 C70 ATC70 TRX70 S65 50cc Large Bore / 70cc Small. Factory Warranty. Best Costumer Service.

Compare the Combustion Chamber Size shown below, to your current head. Guaranteed Fitment Always the correct part. For Honda ATC70 1978-1985. Suspension Masters US.

specifications cylindermotorcycleiz:

  • for models: Crf70, Xr70, Ct70, C70
  • for makes: Honda
  • brand: Bfo
  • mpn: Fjd38y
  • 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

general cylindermotorcycleiz:

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

offer cylindermotorcycleiz:

  • sold: 0
  • availability: In Stock
  • options: Ship-to-home
  • quantity: 10
  • started: July 29, 2025

seller cylindermotorcycleiz:

  • rating: 99.6%
  • city: Houston, Texas
  • # reviews: 11944

returns cylindermotorcycleiz:

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

payments cylindermotorcycleiz:

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

shipping cylindermotorcycleiz:

  • service: FedEx Ground or FedEx Home Delivery
  • cost: $0.00
  • class: Standard
  • type: Fixed
  • carrier: FedEx
  • transit: 3-9 Days
for models: crf70, xr70, ct70, c70, 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: 12166126646140752,
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