1. Motorcycle Cylinder Heads & Valve Covers For Sale
  2. sku: 12762032261966781
  3. BFO 1OKZJ2

BFO 1OKZJ2 Cylinder Head Kit ATC70 70CC 50CC

fits model: Xr70, Ct70, C70, Crf. make: Honda. year: 1970.

1okzj2 Bfo Cylinder Head Complete Kit For Honda Crf 70 Xr70 Ct70 C70 Atc70 70cc 50cc

( Brand: Bfo ), ( Manufacturer Part Number: 1OKZJ2 ), ( 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 50cc fits XR70 CT70 C70 CRF 1970

The BFO 1OKZJ2 Cylinder Head Kit is a premium aftermarket solution designed specifically for Honda CRF 70, XR70, CT70, C70, AT70, and 70cc/50cc models. This kit is an excellent choice for riders looking to enhance their bike's performance, improve reliability, or restore worn-out components.

This cylinder head kit comes with a complete set of new parts, meticulously engineered to provide a perfect fit and function. The kit includes a new cylinder head gasket, camshaft, camshaft bearings, intake ports, exhaust ports, exhaust valves, and exhaust valve guides. Each part is made from high-quality materials, ensuring durability and longevity.

The cylinder head gasket is precision-machined to ensure a perfect seal between the cylinder head and the engine block, eliminating the risk of cylinder head leaks. The camshaft is designed to provide optimal valve timing, improving engine efficiency and power delivery. The camshaft bearings are made from durable, low-friction materials, ensuring smooth and reliable operation.

The intake and exhaust ports feature optimized designs to improve air and fuel flow, enhancing engine performance. The exhaust valves are made from high-strength material, ensuring reliable sealing and durability. The exhaust valve guides are precision-machined for a perfect fit and smooth operation.

Installing the BFO 1OKZJ2 Cylinder Head Kit is a straightforward process, making it an ideal choice for both professional mechanics and DIY enthusiasts. The kit comes with clear and concise installation instructions, ensuring a hassle-free installation experience.

In summary, the BFO 1OKZJ2 Cylinder Head Kit is a top-quality aftermarket solution for Honda CRF 70, XR70, CT70, C70, AT70, and 70cc/50cc models. It offers a perfect fit, improved performance, enhanced reliability, and a straightforward installation process. Whether you're looking to enhance your bike's power or restore worn-out components, this cylinder head kit is an excellent investment.

Buying a BFO 1OKZJ2 cylinder head kit for a Honda CRF 70, XR70, CT70, C70, AT70, or 70cc/50cc model comes with both advantages and disadvantages. Here is a detailed analysis:

Advantages:

1. Enhanced Performance: The BFO cylinder head kit is designed to improve the engine's performance by increasing the flow of air and fuel into the combustion chamber. This results in more power and better throttle response, making the bike more enjoyable to ride.

2. Durability: This cylinder head kit consists of high-quality materials that can withstand the rigors of off-road riding. The kit is designed to provide better heat dissipation, which can help prevent engine damage and extend the life of the engine.

3. Improved Fuel Efficiency: The increased combustion efficiency provided by the BFO cylinder head kit can help improve fuel economy, saving you money in the long run.

4. Easy Installation: The cylinder head kit comes with all necessary hardware and instructions, making it easy to install for most do-it-yourself enthusiasts.

Disadvantages:

1. Cost: The BFO cylinder head kit is more expensive than the stock cylinder head. However, the performance benefits and potential fuel savings may justify the additional cost for some riders.

2. Complexity: Installing the cylinder head kit can be a complex process, requiring specialized tools and knowledge. It may be best to have the work done by a professional mechanic to ensure proper installation and avoid potential issues.

3. Potential Compatibility Issues: It's important to ensure that the BFO cylinder head kit is compatible with your specific Honda CRF model. Incorrect installation can lead to engine damage and decreased performance.

Conclusion:

The BFO 1OKZJ2 cylinder head kit for Honda CRF 70 models offers significant performance benefits, including increased power, improved fuel efficiency, and enhanced durability. However, the higher cost and potential complexity of installation may be a drawback for some riders. Ultimately, the decision to purchase this kit depends on individual riding preferences and budget. If you value improved performance and are willing to invest in the installation process, the BFO cylinder head kit may be a worthwhile investment. Alternatively, if you're looking for a cost-effective solution, you may want to consider other upgrades or modifications to your Honda CRF 70.

Details:

. Compare the Combustion Chamber Size shown below, to your current head. For Honda TRX70. Fast Shipping.

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

For Honda ATC70 1978-1985.

part #: 1okzj2 prices

  • $19.99-$47.59

specifications cylindermotorcycleiz:

  • for models: Xr70, Ct70, C70, Crf
  • for makes: Honda
  • for years: 1970
  • brand: Bfo
  • mpn: 1okzj2
  • 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:

  • city: Elk Grove Village, Illinois
  • rating: 99.4%
  • # reviews: 4107

offer cylindermotorcycleiz:

  • started: October 20, 2025
  • availability: In Stock
  • sold: 0
  • options: Ship-to-home
  • best offers: True

general cylindermotorcycleiz:

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

shipping cylindermotorcycleiz:

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

payments cylindermotorcycleiz:

  • wallet: Google-pay
  • credit card: Discover
  • other

returns cylindermotorcycleiz:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Seller
for models: xr70, ct70, c70, crf, 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: 12762032261966781,
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