1. Motorcycle Cylinder Heads & Valve Covers For Sale
  2. sku: 11491069554315563
  3. BFO R5A6SF

BFO R5A6SF Cylinder Head Kit Engine 70CC ATC70

fits model: C70, Ct70. make: Honda.

R5a6sf Bfo Cylinder Head Kit For Honda C70 70cc Atc70 Ct70 Engine Components

( Brand: Bfo ), ( Manufacturer Part Number: R5A6SF ), ( 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 Kit Honda 70cc Engine Components fits C70 CT70

Introducing the BFO R5A6SF Cylinder Head Kit, specifically designed for Honda C70, 70cc ATV (All-Terrain Vehicle) and CT70 engines. This high-performance cylinder head kit is an excellent upgrade for those seeking to enhance the power and efficiency of their Honda engines.

The BFO R5A6SF Cylinder Head Kit is meticulously engineered with precision-machined components. The cylinder head itself is made of high-strength aluminum alloy, ensuring lightweight yet robust construction. The combustion chamber is CNC-machined to provide optimal engine compression and air-fuel mixture.

This kit includes four new pistons, each crafted from forged aluminum alloy. These pistons offer increased strength and durability, reducing the likelihood of piston failure. The piston crowns are also optimized for better combustion efficiency and improved engine performance.

The BFO R5A6SF Cylinder Head Kit also features new cylinder liners, which are made of high-quality iron. These liners provide excellent thermal conductivity and wear resistance, ensuring consistent engine performance over an extended period.

The kit comes with four new cylinder head studs and nuts, which are made of high-tensile steel. These studs and nuts ensure a secure connection between the cylinder head and engine block, reducing the risk of engine failure due to head gasket issues.

Additionally, the BFO R5A6SF Cylinder Head Kit includes new exhaust valves and seats, which are designed to improve engine breathing and power output. The exhaust valves are made of durable stainless steel, while the seats are made of high-temperature ceramic material for optimal sealing and longevity.

The intake valves and seats are also upgraded in this kit, ensuring optimal engine airflow and combustion efficiency. The intake valves are made of high-quality steel, while the seats are made of durable ceramic material for long-lasting performance.

The BFO R5A6SF Cylinder Head Kit also includes new camshafts and camshaft bearings. These camshafts are designed to provide optimal valve timing and engine performance, while the bearings ensure smooth and reliable operation.

In summary, the BFO R5A6SF Cylinder Head Kit is an excellent performance upgrade for Honda C70, 70cc ATV, and CT70 engines. With its precision-machined components, improved combustion efficiency, and increased durability, this kit offers significant power gains and improved engine performance.

The BFO R5A6SF cylinder head kit is a popular aftermarket upgrade for the Honda C70, C70A, CT70, and AT70 engines with a 70cc displacement. This kit is known for its high-performance features, but like any aftermarket part, it comes with its advantages and disadvantages.

Advantages:

1. Increased Power: The BFO R5A6SF cylinder head kit is designed to provide an increase in power and torque, making the engine more responsive and efficient.

2. Improved Cooling: The kit includes upgraded cooling features, such as a larger cooling fin area and a more efficient cooling system, which can help prevent engine overheating.

3. Enhanced Durability: The cylinder head kit is made from high-quality materials, such as forged pistons and reinforced cylinder sleeves, which can help improve engine durability and longevity.

4. Better Fuel Economy: The increased efficiency of the engine can lead to better fuel economy, saving you money on fuel costs over time.

Disadvantages:

1. Cost: The BFO R5A6SF cylinder head kit can be quite expensive compared to stock parts.

2. Installation Complexity: Installing the kit requires a fair amount of mechanical expertise and the right tools, making it a more involved process than simply swapping out a stock part.

3. Potential for Increased Emissions: While the kit can provide performance benefits, it may also result in increased emissions, depending on the specific modifications made to the engine.

Conclusion:

The BFO R5A6SF cylinder head kit is an excellent upgrade for Honda C70, C70A, CT70, and AT70 engines with a 70cc displacement. It offers increased power, improved cooling, enhanced durability, and potentially better fuel economy. However, it comes with a higher cost and a more complex installation process. Ultimately, the decision to purchase this kit depends on your budget, mechanical expertise, and desired performance gains.

Recommendation:

If you're looking for a significant performance boost for your Honda C70, C70A, CT70, or AT70 engine and have the necessary mechanical expertise and budget, the BFO R5A6SF cylinder head kit is a worthwhile investment. It can provide noticeable improvements in power, cooling, and durability, making your engine more responsive and efficient. However, if you're on a tight budget or not confident in your mechanical abilities, it may be best to stick with stock parts or consider less expensive upgrades.

Details:

Manufacturer. Always the correct part. This head will only work with DOMED pistons. Compare the Combustion Chamber Size shown below, to your current head.

For Honda S65. Fast Shipping.guaranteed Fitment. For Honda TRX70.

Quick, Simple. 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. Cylinder Head Kit For Honda C70 70cc ATC70 CT70 Engine Components.

part #: r5a6sf prices

  • $35.70-$48.69

specifications cylindermotorcycleiz:

  • for models: C70, Ct70
  • for makes: Honda
  • brand: Bfo
  • mpn: R5a6sf
  • 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

shipping cylindermotorcycleiz:

  • type: Fixed
  • service: Standard
  • cost: $0.00
  • transit: 4-8 Days
  • class: Standard

offer cylindermotorcycleiz:

  • best offers: True
  • started: April 6, 2025
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0

returns cylindermotorcycleiz:

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

payments cylindermotorcycleiz:

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

seller cylindermotorcycleiz:

  • city: Dayton, New Jersey
  • # reviews: 766
  • rating: 100.0%

general cylindermotorcycleiz:

  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Cylinder Heads
  • condition: New
for models: c70, ct70, 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: 11491069554315563,
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