1. Motorcycle Cylinder Heads & Valve Covers For Sale
  2. sku: 11706316246369651
  3. BFO RBON0Y

BFO RBON0Y Cylinder Head Kit 70CC 50CC

fits make: Honda.

Rbon0y Bfo Cylinder Head Complete Kit For Honda 70cc Small Bore 50cc

( Brand: Bfo ), ( Manufacturer Part Number: RBON0Y ), ( Bundle Listing: Yes ), ( 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 Kit Honda 70cc Small Bore 50cc

Introducing the BFO RB-0Y Cylinder Head Kit, specifically designed for Honda engines with a displacement of 70cc or 50cc. This high-performance cylinder head kit is an excellent upgrade for those seeking improved engine power and efficiency.

The BFO RB-0Y Cylinder Head Kit is meticulously engineered to enhance the combustion process in your Honda engine. It features a redesigned combustion chamber with a larger intake and exhaust port, allowing for a more efficient flow of air and fuel into the cylinder. This results in a more complete combustion process, leading to increased power output and torque.

Moreover, the cylinder head kit comes with high-performance exhaust valves and seats. These valves are made from a durable material that can withstand the extreme heat and pressure of the combustion process, ensuring optimal engine performance. The valve seats are precision-machined for a perfect seal, reducing the risk of leaks and improving engine efficiency.

Additionally, the cylinder head kit includes high-performance intake valves and seats. The intake valves are designed to maximize the flow of air into the cylinder, ensuring that your engine receives an ample supply of fuel-air mixture for efficient combustion. The intake valve seats are also precision-machined for a perfect seal, preventing leaks and ensuring optimal engine performance.

The BFO RB-0Y Cylinder Head Kit is also designed with durability in mind. It features reinforced valve guides and a hardened valve seat material that can withstand the rigors of high-performance use. The cylinder head kit is also designed to be easy to install, with clear instructions and all necessary hardware included in the package.

In summary, the BFO RB-0Y Cylinder Head Kit is an excellent upgrade for Honda engines with a displacement of 70cc or 50cc. It is engineered to enhance the combustion process, resulting in increased power output and improved engine efficiency. The kit features high-performance exhaust and intake valves, durable valve guides and seats, and is designed for easy installation. Upgrade your Honda engine today with the BFO RB-0Y Cylinder Head Kit.

Buying a BFO or Bonoy cylinder head kit for a Honda 70cc or 50cc engine comes with both advantages and disadvantages. Here are some key points to consider before making a decision.

Advantages:

1. Increased Power: A new cylinder head can improve engine performance by increasing power output. This can lead to better acceleration and top speed.

2. Improved Efficiency: A new cylinder head can also improve engine efficiency by reducing fuel consumption and exhaust emissions.

3. Durability: A new cylinder head can increase the lifespan of the engine by reducing wear and tear on the old head.

4. Cost-effective: In some cases, installing a new cylinder head can be more cost-effective than purchasing a new engine or rebuilding the old one.

Disadvantages:

1. Installation Complexity: Installing a new cylinder head can be a complex process that requires specialized tools and knowledge. It may be necessary to hire a professional mechanic to do the installation.

2. Cost: The cost of a new cylinder head kit can be relatively high, especially when compared to the cost of a new carburetor or other engine components.

3. Risk of Damage: During the installation process, there is a risk of damaging other engine components, which could lead to additional repair costs.

Conclusion:

A BFO or Bonoy cylinder head kit for a Honda 70cc or 50cc engine can offer significant performance improvements and increased durability. However, the installation process can be complex and costly. It's essential to weigh the advantages and disadvantages carefully and consider alternative options, such as rebuilding the old cylinder head or purchasing a new engine, before making a decision.

Recommendation:

If you have the necessary knowledge and tools to install the cylinder head kit yourself, and you're confident in your ability to avoid damaging other engine components, then it could be a worthwhile investment for improved performance and increased engine lifespan. However, if you're unsure about the installation process or the cost outweighs the benefits, it may be more cost-effective to consider alternative options, such as rebuilding the old cylinder head or purchasing a new engine.

Details:

Quick, Simple. Fast Shipping.guaranteed Fitment. Manufacturer.

Compare the Combustion Chamber Size shown below, to your current head. For Honda ATC70 1978-1985. For Honda TRX70. For Honda S65.

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

specifications cylindermotorcycleiz:

  • for makes: Honda
  • brand: Bfo
  • mpn: Rbon0y
  • bundle listing: Yes
  • 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:

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

offer cylindermotorcycleiz:

  • quantity: 9
  • options: Ship-to-home
  • started: May 7, 2025
  • sold: 0
  • availability: In Stock
  • best offers: True

seller cylindermotorcycleiz:

  • # reviews: 24962
  • rating: 98.9%
  • city: Dayton, New Jersey

payments cylindermotorcycleiz:

  • other
  • wallet: Apple-pay
  • credit card: Mastercard

shipping cylindermotorcycleiz:

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

returns cylindermotorcycleiz:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted
for makes: honda, bundle listing: yes, 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: 11706316246369651,
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