1. Motorcycle Cylinder Heads & Valve Covers For Sale
  2. sku: 12480825361079622
  3. BFO 65Q80E

BFO 65Q80E Cylinder Head Kit Performance 70CC 50CC

fits model: Crf70, Xr70, C70. make: Honda. year: 1970.

65q80e Bfo Cylinder Head Complete Kit For Honda Crf70 Xr70 Ct 70 C70 70cc 50cc Performance

( Brand: Bfo ), ( Manufacturer Part Number: 65Q80E ), ( 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 Kit Honda Ct 50cc Performance fits CRF70 XR70 C70 1970

The BFO 65Q80E Cylinder Head Kit is an excellent upgrade for Honda CRF70, XR70, C70, and 50CC 70cc motorcycles. This high-performance cylinder head kit is designed to enhance the power output and overall engine efficiency of your mini bike.

The kit includes a fully machined cylinder head, which features a large 65mm bore size. This larger bore size allows for increased combustion chamber volume, resulting in more power and torque. The cylinder head also features a high-performance exhaust port design, which optimizes exhaust gas flow for improved engine response and power delivery.

The BFO 65Q80E Cylinder Head Kit is also equipped with high-performance combustion chamber design, featuring a large intake valve size and a high-lift camshaft. This combination results in improved air-fuel mixture and more efficient combustion, leading to increased horsepower and torque.

The cylinder head is made from high-quality aluminum alloy, ensuring durability and lightweight construction. The head gasket is made from a high-temperature, high-pressure material, ensuring a proper seal and preventing any potential leaks.

Additionally, the BFO 65Q80E Cylinder Head Kit includes new piston and rings. The piston is made from forged aluminum alloy and features a lighter weight design for improved engine performance. The rings are made from high-quality, heat-resistant material, ensuring a proper seal and preventing any potential oil leaks.

This cylinder head kit is a direct replacement for the stock cylinder head and comes with all necessary hardware for installation. It is recommended to have the cylinder head skimmed and ported by a professional to achieve optimal performance.

In summary, the BFO 65Q80E Cylinder Head Kit is a high-performance upgrade for Honda CRF70, XR70, C70, and 50CC 70cc motorcycles. It features a larger bore size, optimized exhaust port design, high-performance combustion chamber, and durable construction. This kit will enhance the power output and overall engine efficiency of your mini bike, making it a worthwhile investment for any enthusiast or racer.

Buying a BFO 65Q80E cylinder head kit for a Honda CRF70, XR70, C70, or 70cc 50cc motorcycle can offer several benefits and drawbacks. Here's a detailed analysis:

Pros:

1. Performance Enhancement: The BFO 65Q80E cylinder head kit is designed to improve the performance of your Honda CRF70 by increasing the engine's power output and improving its overall efficiency. This can lead to better acceleration, increased top speed, and a more enjoyable riding experience.

2. Durability: The BFO cylinder head kit is made from high-quality materials, ensuring that it can withstand the rigors of off-road riding. This can save you money in the long run by reducing the need for frequent repairs and replacements.

3. Easy Installation: The BFO cylinder head kit comes with clear instructions and all the necessary hardware for installation. This makes it a relatively straightforward process for most mechanically inclined riders.

Cons:

1. Cost: The BFO 65Q80E cylinder head kit can be quite expensive compared to OEM parts. This may be a deterrent for some riders, especially those on a budget.

2. Compatibility: While the BFO cylinder head kit is designed to fit several Honda models, it's essential to ensure that it's compatible with your specific bike before making a purchase. Incorrect installation can lead to serious engine damage.

3. Risk of Damage: Installing a cylinder head kit involves removing the entire engine, which can be a complex and time-consuming process. There's also a risk of damaging the engine during installation if not done correctly.

Conclusion:

The BFO 65Q80E cylinder head kit for Honda CRF70, XR70, C70, or 70cc 50cc motorcycles can offer significant performance benefits, but it also comes with some drawbacks, such as cost, compatibility, and the risk of damage during installation. If you're a performance-minded rider and have the necessary skills and resources, it may be worth considering this upgrade. However, if you're on a tight budget or unsure about your mechanical abilities, it might be best to stick with OEM parts. Ultimately, the decision to purchase this cylinder head kit depends on your budget, riding style, and level of mechanical expertise.

Details:

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

This head will only work with FLAT TOP pistons. This head will only work with DOMED pistons. For Honda ATC70 1978-1985. Compare the Combustion Chamber Size shown below, to your current head.

specifications cylindermotorcycleiz:

  • for models: Crf70, Xr70, C70
  • for makes: Honda
  • for years: 1970
  • brand: Bfo
  • mpn: 65q80e
  • 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

returns cylindermotorcycleiz:

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

offer cylindermotorcycleiz:

  • started: September 11, 2025
  • sold: 0
  • options: Ship-to-home
  • availability: In Stock
  • quantity: 10

payments cylindermotorcycleiz:

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

seller cylindermotorcycleiz:

  • rating: 99.1%
  • city: Rowland height, California
  • # reviews: 20976

general cylindermotorcycleiz:

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

shipping cylindermotorcycleiz:

  • type: Fixed
  • service: FedEx Ground / FedEx Home Delivery
  • transit: 4-7 Days
  • carrier: FedEx
  • class: Standard
  • cost: $0.00
for models: crf70, xr70, c70, for makes: honda, for years: 1970, 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: 12480825361079622,
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