1. Motorcycle Cylinder Heads & Valve Covers For Sale
  2. sku: 12107290564871751
  3. BFO ZOACF9

BFO ZOACF9 Cylinder Head Kit ATC70 70CC 50CC

fits model: Crf70, Xr70, Ct70, C70, Trx70. make: Honda.

Zoacf9 Bfo Cylinder Head Complete Kit For Honda Crf70 Xr70 Ct70 C70 Trx70 Atc70 70cc 50cc

( Brand: Bfo ), ( Manufacturer Part Number: ZOACF9 ), ( 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 70cc 50cc fits CRF70 XR70 CT70 C70 TRX70

Introducing the BFO ZOACF9 Cylinder Head Kit, specifically designed for Honda CRF70, XR70, CT70, C70, TRX70, and ATC70 models with engines having a displacement of 70cc or 50cc. This cylinder head kit is an excellent upgrade for riders who seek improved engine performance, durability, and reliability for their off-road bikes.

The BFO ZOACF9 Cylinder Head Kit is a complete replacement for the stock cylinder head, featuring a high-performance design that enhances the power output and torque of your engine. The kit includes a new cylinder head, intake and exhaust ports, and all necessary hardware for installation.

The intake ports on the BFO ZOACF9 Cylinder Head Kit have been engineered for optimal flow and velocity, ensuring a more efficient fuel-air mixture entering the combustion chamber. The exhaust ports are designed with a larger diameter to enable better exhaust flow, resulting in reduced back pressure and improved engine breathability.

The cylinder head itself is made from high-strength aluminum alloy, ensuring lightweight yet robust construction. The design includes improved cooling channels that enhance heat dissipation, keeping the engine running cooler and more efficiently.

The BFO ZOACF9 Cylinder Head Kit also includes upgraded valves and valve guides to minimize seat leakage and improve sealing. The valves have been designed to provide better flow and reduce restriction, contributing to improved engine performance.

Installation of the BFO ZOACF9 Cylinder Head Kit is relatively straightforward, with clear instructions provided. However, it is recommended to have the installation performed by a professional mechanic to ensure proper alignment and setup for optimal engine performance.

In summary, the BFO ZOACF9 Cylinder Head Kit is an excellent upgrade for Honda CRF70, XR70, CT70, C70, TRX70, and ATC70 models, providing improved engine performance, durability, and reliability. With enhanced intake and exhaust flow, a robust aluminum alloy construction, and upgraded valves, this cylinder head kit is a must-have for any serious off-road rider looking to maximize the potential of their Honda engine.

Buying a BFO ZOACF9 cylinder head kit for Honda CRF70, XR70, CT70, C70, TRX70, ATC70, and 70cc/50cc models can have both advantages and disadvantages. Here are some potential pros and cons:

Pros:

1. Improved Performance: A new cylinder head can lead to better engine performance, including increased horsepower and torque. This can result in a more responsive and faster motorcycle.

2. Improved Durability: A new cylinder head can help improve the durability of the engine. Worn-out cylinder heads can lead to issues such as decreased compression, poor fuel efficiency, and even engine damage.

3. Cost-Effective: Replacing a cylinder head kit can be more cost-effective than buying a new motorcycle or even a rebuilt engine. It can be a good option for those looking to restore an old bike or get more life out of a current one.

Cons:

1. Installation Complexity: Installing a cylinder head kit can be a complex process. It requires specialized tools and knowledge to ensure that the new cylinder head is installed correctly. This can be a challenge for those without mechanical experience.

2. Cost: While a cylinder head kit may be less expensive than buying a new motorcycle or rebuilt engine, it can still be a significant investment. The cost of the kit, as well as any additional parts or labor required for installation, should be considered before making a purchase.

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

Conclusion:

The decision to buy a BFO ZOACF9 cylinder head kit for a Honda CRF70, XR70, CT70, C70, TRX70, ATC70, and 70cc/50cc model depends on individual circumstances. Those with mechanical experience and a desire to improve the performance and durability of their motorcycle may find that the benefits outweigh the challenges. However, those without mechanical experience or a significant budget for the installation process may want to consider other options.

Recommendation:

If you are considering purchasing a BFO ZOACF9 cylinder head kit, it is recommended that you do thorough research on the installation process and the potential costs involved. Consider seeking the assistance of a professional mechanic to ensure that the installation is done correctly. Additionally, weigh the potential benefits against the challenges to determine if this is the best option for you and your motorcycle.

Details:

Fast Shipping. Compare the Combustion Chamber Size shown below, to your current head. Guaranteed Fitment, Always the correct part. For Honda S65.

For Honda TRX70. 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. This head will only work with DOMED pistons.

For Honda ATC70 1978-1985.

part #: zoacf9 prices

  • $19.99-$47.59

specifications cylindermotorcycleiz:

  • for models: Crf70, Xr70, Ct70, C70, Trx70
  • for makes: Honda
  • brand: Bfo
  • mpn: Zoacf9
  • 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

seller cylindermotorcycleiz:

  • # reviews: 12911
  • city: Houston, Texas
  • rating: 99.2%

offer cylindermotorcycleiz:

  • quantity: 5
  • started: July 18, 2025
  • availability: In Stock
  • sold: 0
  • best offers: True
  • options: Ship-to-home

general cylindermotorcycleiz:

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

returns cylindermotorcycleiz:

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

shipping cylindermotorcycleiz:

  • class: Standard
  • service: FedEx Ground or FedEx Home Delivery
  • cost: $0.00
  • carrier: FedEx
  • transit: 5-11 Days
  • type: Fixed

payments cylindermotorcycleiz:

  • wallet: Apple-pay
  • other
  • credit card: Discover
for models: crf70, xr70, ct70, c70, trx70, 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: 12107290564871751,
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