1. Motorcycle Cylinder Heads & Valve Covers For Sale
  2. sku: 11557630564398651
  3. BFO V7RM4K

BFO V7RM4K Cylinder Head Kit ATC70 70CC 50CC

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

V7rm4k Bfo Cylinder Head Complete Kit For Honda Crf70 Xr70 Ct70 C70 Trx70 Atc70 70cc 50cc

( Brand: Bfo ), ( Manufacturer Part Number: V7RM4K ), ( Bundle Listing: Yes ), ( 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 V7RM4K Cylinder Head Kit, a high-performance upgrade for your Honda CRF70, XR70, CT70, C70, TRX70, or any other 70cc or 50cc Honda mini bike. This cylinder head kit is designed to deliver increased power, improved engine response, and enhanced durability for your mini bike.

The BFO V7RM4K Cylinder Head Kit comes with a high-performance cylinder head that features a larger intake and exhaust port for improved air and fuel flow. The kit also includes a high-performance exhaust valve and seat, as well as a high-performance intake valve and seat. These upgraded components allow for better combustion efficiency, increased power output, and improved engine performance.

The cylinder head is CNC machined from high-strength aluminum for superior strength and durability. The kit also includes new, high-performance piston rings and a new piston skirt to ensure a perfect seal and reduce engine blow-by. The piston rings are made from high-temperature, low-friction material to minimize wear and provide long-lasting performance.

The BFO V7RM4K Cylinder Head Kit also includes new, high-performance head gaskets that provide a perfect seal between the cylinder head and engine block. These gaskets are made from a high-temperature, high-pressure material to ensure a leak-free seal and prevent coolant and oil from mixing.

This cylinder head kit is designed to be a direct replacement for the stock cylinder head on your Honda mini bike. It is easy to install, and no engine modification is required. The kit includes all necessary hardware for installation, including new head bolts and gasket material.

With the BFO V7RM4K Cylinder Head Kit, you can expect to see an increase in power output, improved engine response, and enhanced durability for your Honda mini bike. Whether you're looking to race your mini bike or just want to improve its performance for fun, this cylinder head kit is an excellent upgrade that will deliver the results you're looking for.

Please note that installation of this kit requires some mechanical skills and should be done by a qualified mechanic or experienced rider. Always follow the manufacturer's instructions carefully when installing this or any other performance parts.

Buying a BFO V7RM4K cylinder head kit for Honda CRF70, XR70, CT70, C70, TRX70, ATC70, and 70cc/50cc models can be a beneficial investment for several reasons. Here are some pros and cons to consider before making a purchase:

Pros:

1. Improved Performance: The BFO V7RM4K cylinder head kit is designed to enhance the overall performance of your Honda dirt bike. It offers better combustion efficiency, increased horsepower, and improved throttle response.

2. Durability: The kit is made of high-quality materials that can withstand the rigors of off-road riding. The cylinder head is made of aluminum, which is lightweight and resistant to corrosion.

3. Customizability: This kit allows you to customize your bike to suit your riding style. You can adjust the jetting, ignition timing, and other parameters to get the best possible performance.

4. Cost-Effective: In the long run, investing in a high-performance cylinder head kit can save you money. It can help you get more miles out of your bike and reduce the need for frequent repairs.

Cons:

1. Complex Installation: Installing a cylinder head kit can be a complex process that requires specialized tools and knowledge. You may need to take your bike to a professional mechanic to have it installed properly.

2. Cost: The BFO V7RM4K cylinder head kit is not a cheap investment. It can cost several hundred dollars, which may be a significant expense for some riders.

3. Risk of Damage: Installing a cylinder head kit involves removing the old cylinder head and installing the new one. There is a risk of damaging the engine during the installation process.

Conclusion:

The BFO V7RM4K cylinder head kit for Honda CRF70, XR70, CT70, C70, TRX70, ATC70, and 70cc/50cc models can offer significant performance improvements, increased durability, and customizability. However, it comes with a complex installation process, a high cost, and the risk of damage.

If you are an experienced rider and mechanic, and you are willing to invest in a high-performance cylinder head kit, then this may be a worthwhile investment for you. However, if you are not confident in your mechanical abilities or if the cost is a significant concern, then it may be best to consider other options.

Recommendation:

If you are looking for a cost-effective way to improve the performance of your Honda dirt bike, there are other options to consider besides a high-performance cylinder head kit. You can start with simpler modifications such as air filters, exhaust systems, and carburetor jetting. These modifications can offer significant performance gains without the complex installation process and high cost of a cylinder head kit. However, if you are serious about maximizing the performance of your bike and are willing to invest in a high-quality cylinder head kit, then the BFO V7RM4K kit is a solid choice. Just be sure to have it installed by a professional mechanic to minimize the risk of damage.

Details:

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

For Honda S65. Guaranteed Fitment, Always the correct part. Fast Shipping. Cylinder Head for Honda CRF70 XR70 CT70 C70 ATC70 TRX70 S65 50cc Large Bore / 70cc Small.

For Honda TRX70.

part #: v7rm4k prices

  • $19.99-$47.59

specifications cylindermotorcycleiz:

  • for models: Crf70, Xr70, Ct70, C70, Trx70
  • for makes: Honda
  • brand: Bfo
  • mpn: V7rm4k
  • bundle listing: Yes
  • 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:

  • quantity: 10
  • best offers: True
  • options: Ship-to-home
  • sold: 0
  • started: April 15, 2025
  • availability: In Stock

general cylindermotorcycleiz:

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

seller cylindermotorcycleiz:

  • # reviews: 12502
  • rating: 99.2%
  • city: Rowland height, California

shipping cylindermotorcycleiz:

  • transit: 4-8 Days
  • service: Standard
  • class: Standard
  • type: Fixed
  • cost: $0.00

payments cylindermotorcycleiz:

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

returns cylindermotorcycleiz:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller
for models: crf70, xr70, ct70, c70, trx70, for makes: honda, bundle listing: yes, 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: 11557630564398651,
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