1. Motorcycle Cylinder Heads & Valve Covers For Sale
  2. sku: 13365171773857771
  3. BFO JOQL7F

BFO JOQL7F Cylinder Head Kit 70CC 50CC

fits model: Crf70, Xr70, Ct70, C70, Trx70, Xr70r. make: Honda.

Joql7f Bfo Cylinder Head Complete Kit For Honda Crf70 Xr70 Ct70 C70 Trx70 Xr70r 70cc 50cc

( Brand: Bfo ), ( Manufacturer Part Number: JOQL7F ), ( 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 XR70R

Introducing the BFO JOQL7F Cylinder Head Kit, designed specifically for Honda CRF70, XR70, CT70, C70, TRX70, and XR70R models with 70cc and 50cc engines. This high-performance cylinder head kit is an excellent upgrade for riders seeking improved power and torque for their off-road bikes.

The BFO JOQL7F Cylinder Head Kit comes with a set of precision-machined cylinder heads that feature increased compression and improved flow rates for enhanced combustion efficiency. The new design also includes larger intake and exhaust ports, allowing for increased air and fuel intake and better exhaust gas expulsion.

The kit includes a set of high-performance pistons, rings, and gaskets to ensure a perfect fit and reliable sealing. The pistons are forged from high-strength materials, providing increased durability and resistance to wear and tear. The rings are made from high-temperature, low-friction materials, reducing engine friction and improving ring seal.

The kit also includes a set of high-performance camshafts and valves, designed to provide optimal engine performance at all RPM ranges. The camshafts feature increased lift and duration, allowing for more efficient intake and exhaust strokes. The valves are made from high-strength materials, ensuring reliable operation under high-stress conditions.

The BFO JOQL7F Cylinder Head Kit is easy to install, with all necessary hardware and instructions provided in the package. The kit is also backed by a one-year warranty, ensuring peace of mind for customers.

In summary, the BFO JOQL7F Cylinder Head Kit is an excellent upgrade for Honda CRF70, XR70, CT70, C70, TRX70, and XR70R models. It provides increased power and torque through improved combustion efficiency, larger intake and exhaust ports, high-performance pistons, rings, gaskets, camshafts, and valves. The kit is easy to install and backed by a one-year warranty.

Buying a BFO JOQL7F cylinder head kit for Honda CRF70, XR70, CT70, C70, TRX70, XR70r, 70cc, and 50cc models can be a consideration for those looking to improve the performance of their motorcycles. Here are some pros and cons to help you make an informed decision.

Pros:

1. Improved Performance: A new cylinder head can help increase power output and improve overall engine performance.

2. Better Throttle Response: A new cylinder head can provide better throttle response, making your bike more responsive and fun to ride.

3. Enhanced Durability: A high-quality cylinder head kit can help increase the lifespan of your engine by reducing the wear and tear on the original cylinder head.

4. Cost-Effective: Replacing a cylinder head with a kit can be more cost-effective than buying a new motorcycle or even a new engine.

Cons:

1. Installation Complexity: Installing a cylinder head kit can be a complex process, requiring specialized tools and knowledge. It may be best to take your bike to a professional mechanic for installation.

2. Risk of Damage: There is a risk of damaging other engine components during the installation process, which could result in additional repair costs.

3. Cost: While a cylinder head kit may be more cost-effective than buying a new engine or motorcycle, it can still be an expensive repair.

4. Performance Variability: The performance improvement may vary depending on the condition of the original engine and other factors.

Ending Conclusion:

A BFO JOQL7F cylinder head kit for Honda CRF70, XR70, CT70, C70, TRX70, XR70r, 70cc, and 50cc models can provide significant performance improvements, enhanced durability, and better throttle response. However, the installation process can be complex, time-consuming, and risky, and the cost may be a significant investment. Ultimately, the decision to purchase a cylinder head kit depends on your budget, technical abilities, and desired performance improvements.

Recommendation:

If you have the technical skills, resources, and budget to install the kit yourself or are willing to pay a professional mechanic to do it, then a cylinder head kit can be a worthwhile investment for those looking to improve the performance of their Honda CRF70, XR70, CT70, C70, TRX70, XR70r, 70cc, and 50cc motorcycles. However, if you are not confident in your abilities or are concerned about the cost, it may be best to consider other options, such as regular maintenance or upgrading other engine components.

Details:

Best Costumer Service. Factory Warranty. For Honda ATC70 1978-1985. 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. For Honda TRX70. Compare the Combustion Chamber Size shown below, to your current head.

It begins from the date purchased. Fast Shipping. offers a minimum one year, unlimited mileage warranty on most of parts sold, some are otherwise noted longer manufacturer For Honda S65.

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specifications cylindermotorcycleiz:

  • for models: Crf70, Xr70, Ct70, C70, Trx70, Xr70r
  • for makes: Honda
  • brand: Bfo
  • mpn: Joql7f
  • 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

offer cylindermotorcycleiz:

  • availability: In Stock
  • sold: 0
  • options: Ship-to-home
  • best offers: True
  • started: January 8, 2026

seller cylindermotorcycleiz:

  • rating: 98.7%
  • city: Elk Grove Village, Illinois
  • # reviews: 19566

shipping cylindermotorcycleiz:

  • cost: $0.00
  • class: Standard
  • type: Fixed
  • carrier: FedEx
  • transit: 2-6 Days
  • service: FedEx Ground / FedEx Home Delivery

payments cylindermotorcycleiz:

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

returns cylindermotorcycleiz:

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

general cylindermotorcycleiz:

  • condition: New
  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Cylinder Heads
for models: crf70, xr70, ct70, c70, trx70, xr70r, 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: 13365171773857771,
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