1. Motorcycle Cylinder Heads & Valve Covers For Sale
  2. sku: 13112839761946771
  3. BFO NJRGH5

BFO NJRGH5 Cylinder Head Kit 70CC 50CC

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

Njrgh5 Bfo Cylinder Head Complete Kit For Honda Crf70 Xr70 Ct70 C70 Trx70 Xr70r 70cc 50cc

( Brand: Bfo ), ( Manufacturer Part Number: NJRGH5 ), ( 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

BFO NJRGH5 Cylinder Head Kit for Honda CRF70, XR70, CT70, C70, TRX70, XR70R - 70cc & 50cc

Description:

Upgrade your Honda CRF70, XR70, CT70, C70, TRX70, or XR70R with the high-performance BFO NJRGH5 Cylinder Head Kit. This kit is specifically designed for 70cc and 50cc engines, providing an excellent power boost and improved engine efficiency.

The BFO NJRGH5 Cylinder Head Kit includes the following components:

1. Cylinder Head: This high-performance cylinder head features improved port design and larger intake and exhaust ports. These design improvements enhance the air and fuel flow, resulting in increased power and better engine response.

2. Camshaft: The kit comes with a high-performance camshaft that offers improved valve lift and duration. This results in better engine breathing, increased power at the top end, and a broader powerband.

3. Valves: The kit includes new, larger, and more durable valves. These upgraded valves help to improve the engine's overall performance and efficiency by allowing for better flow of air and fuel.

4. Valve Guides: The BFO NJRGH5 Cylinder Head Kit comes with new valve guides to ensure proper sealing and alignment of the valves. These guides are made of high-quality materials to withstand the rigors of off-road riding.

5. Valve Seats: The kit includes new valve seats, ensuring a proper seal between the valves and the cylinder head. These new seats are designed for durability and long-lasting performance.

6. Gaskets: The kit includes all necessary gaskets for a successful installation. These gaskets are made of high-quality materials to ensure a proper seal and prevent leaks.

7. Instruction Manual: The BFO NJRGH5 Cylinder Head Kit comes with a detailed instruction manual to guide you through the installation process. This manual includes step-by-step instructions, diagrams, and helpful tips to ensure a successful installation.

By installing the BFO NJRGH5 Cylinder Head Kit on your Honda CRF70, XR70, CT70, C70, TRX70, or XR70R, you can expect to see improved performance, increased power, and better engine efficiency. This kit is an excellent choice for riders looking to get the most out of their off-road machine.

Buying a BFO NJRG5 cylinder head kit for Honda CRF70, XR70, CT70, C70, TRX70, XR70r, and 70cc/50cc models can be a consideration for those looking to improve their motorcycle's performance or replace worn-out parts. Here are the pros and cons of investing in this cylinder head kit:

Pros:

1. Improved Performance: The BFO NJRG5 cylinder head kit is designed to provide better power and torque, resulting in improved overall performance.

2. Durability: The kit is made from high-quality materials that offer enhanced durability and longevity, reducing the need for frequent replacements.

3. Enhanced Cooling: The BFO NJRG5 cylinder head kit comes with improved cooling capabilities, which helps prevent overheating and reduces the risk of engine damage.

4. Easy Installation: The kit is relatively easy to install, and the instructions provided are clear and concise.

5. Cost-Effective: Compared to buying a new motorcycle or even a rebuilt engine, investing in a cylinder head kit can be a more cost-effective solution.

Cons:

1. Upfront Cost: The BFO NJRG5 cylinder head kit may require a significant upfront investment, which could be a barrier for some buyers.

2. Risk of Damage: Installing a cylinder head kit involves opening up the engine, which carries some risk of damaging other components if not done correctly.

3. Possible Need for Additional Parts: Depending on the condition of the existing components, additional parts may be required to complete the installation, adding to the overall cost.

4. Installation Complexity: While the installation is relatively straightforward, it may still require a certain level of mechanical expertise and experience.

Conclusion:

The BFO NJRG5 cylinder head kit offers several advantages, including improved performance, enhanced durability, and cooling capabilities. However, it comes with an upfront cost and potential installation complexities. Ultimately, the decision to invest in this kit will depend on your budget, mechanical abilities, and desired performance improvements.

Recommendation:

If you're looking to significantly improve your Honda CRF70, XR70, CT70, C70, TRX70, XR70r, or any other 70cc/50cc model's performance and are willing to invest in the upfront cost and potential installation complexities, then the BFO NJRG5 cylinder head kit could be a worthwhile investment. However, if you're on a tight budget or not comfortable with the installation process, it may be worth considering other options or seeking professional advice before making a decision.

Details:

Fast Shipping. This head will only work with DOMED pistons. >>you might also like. For Honda S65.

For Honda TRX70. Cylinder Head for Honda CRF70 XR70 CT70 C70 ATC70 TRX70 S65 50cc Large Bore / 70cc Small. Factory Warranty. Compare the Combustion Chamber Size shown below, to your current head.

This head will only work with FLAT TOP pistons. For Honda ATC70 1978-1985. Best Costumer Service. It begins from the date purchased.

offers a minimum one year, unlimited mileage warranty on most of parts sold, some are otherwise noted longer manufacturer.

specifications cylindermotorcycleiz:

  • for models: Crf70, Xr70, Ct70, C70, Trx70, Xr70r
  • for makes: Honda
  • brand: Bfo
  • mpn: Njrgh5
  • 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

payments cylindermotorcycleiz:

  • other
  • credit card: Mastercard
  • wallet: Paypal

general cylindermotorcycleiz:

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

offer cylindermotorcycleiz:

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

returns cylindermotorcycleiz:

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

seller cylindermotorcycleiz:

  • rating: 99.0%
  • # reviews: 19354
  • city: Elk Grove Village, Illinois

shipping cylindermotorcycleiz:

  • class: Standard
  • carrier: FedEx
  • transit: 4-7 Days
  • type: Fixed
  • cost: $0.00
  • service: FedEx Ground / FedEx Home Delivery
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: 13112839761946771,
Bfo NJRGH5 Is Similar To:

Copyright © cylindermotorcycleiz.com