1. Motorcycle Cylinder Heads & Valve Covers For Sale
  2. sku: 12186785971209622
  3. BFO JV7CMY

BFO JV7CMY Cylinder Head Kit Performance 70CC 50CC

fits model: Crf70, Xr70, C70. make: Honda. year: 1970.

Jv7cmy Bfo Cylinder Head Complete Kit For Honda Crf70 Xr70 Ct 70 C70 70cc 50cc Performance

( Brand: Bfo ), ( Manufacturer Part Number: JV7CMY ), ( 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 Ct 50cc Performance fits CRF70 XR70 C70 1970

Introducing the BFO JV7CMY Cylinder Head Kit, specifically designed for Honda CRF70, XR70, C70, and 50cc 70cc engines. This high-performance cylinder head kit is an excellent upgrade for riders seeking increased power and improved engine efficiency.

The BFO JV7CMY Cylinder Head Kit comes with several key upgrades compared to the stock head. The most notable feature is the oversized 41mm Mikuni Carburetor, which delivers more air and fuel to the engine, resulting in improved combustion and enhanced power output.

Additionally, this kit includes a high-performance exhaust valve and seat, ensuring optimal gas flow and a more efficient combustion process. The intake valve is also upgraded with a larger diameter and a more aggressive cam profile, which improves engine breathing and overall performance.

The cylinder head kit is also equipped with a high-quality, forged piston and a lightweight, aluminum cylinder sleeve. This combination helps to reduce engine weight and improve thermal efficiency, leading to better power output and improved fuel economy.

The BFO JV7CMY Cylinder Head Kit is also designed with durability in mind. The cylinder head features a reinforced design, ensuring it can handle the increased power output and the demands of off-road riding. The kit also comes with a new, high-performance head gasket, which ensures a perfect seal between the cylinder and the head, preventing any potential leaks.

Overall, the BFO JV7CMY Cylinder Head Kit is an excellent performance upgrade for Honda CRF70, XR70, C70, and 50cc 70cc engines. It offers increased power output, improved engine efficiency, and enhanced durability, making it a must-have for serious off-road riders. With its high-quality components and precise engineering, this cylinder head kit is sure to provide years of reliable and high-performance riding.

Buying a BFO JV7CY cylinder head kit for a Honda CRF70, XR70, C70, or 70cc/50cc model can offer several potential benefits and drawbacks, which are as follows:

Benefits:

1. Performance Enhancement: The BFO JV7CY kit is designed to improve engine performance by increasing the flow rate of the cooling system and optimizing the combustion process. This can lead to better throttle response, increased horsepower, and enhanced top-end speed.

2. Durability: The kit includes upgraded components such as reinforced pistons, stronger connecting rods, and improved cylinder liners, which can help prolong engine life and reduce the need for frequent repairs.

3. Customization: Upgrading to a performance cylinder head kit can be an attractive option for those who want to personalize their Honda CRF70 and stand out from the crowd.

Drawbacks:

1. Cost: A cylinder head kit can be a significant investment, and the price of the BFO JV7CY kit may not be within everyone's budget.

2. Complex Installation: Installing a cylinder head kit requires a high level of mechanical expertise and specialized tools, which can be a challenge for some enthusiasts.

3. Risk of Damage: Upgrading the engine can increase the risk of damage if not installed correctly. Improper installation or use of incorrect parts can result in engine damage, which can be costly to repair.

Conclusion:

The decision to buy a BFO JV7CY cylinder head kit for a Honda CRF70, XR70, C70, or 70cc/50cc model ultimately depends on individual goals, budget, and mechanical expertise. For those seeking improved performance and durability, this upgrade could be an excellent investment. However, for those who are budget-conscious or lack the necessary mechanical skills, it may be wiser to consider other options.

Recommendation:

Before making a decision, it is essential to carefully consider the benefits, drawbacks, and personal circumstances. If you have the necessary skills, resources, and budget, and are looking for improved performance and durability, then the BFO JV7CY cylinder head kit could be an excellent investment. However, if you're uncertain about your mechanical abilities or have limited resources, it may be better to consider other options such as maintenance and routine upkeep of your current engine.

Details:

This head will only work with FLAT TOP pistons. Compare the Combustion Chamber Size shown below, to your current head. For Honda S65. Cylinder Head for Honda CRF70 XR70 CT70 C70 ATC70 TRX70 S65 50cc Large Bore / 70cc Small.

This head will only work with DOMED pistons. For Honda ATC70 1978-1985. For Honda TRX70.

specifications cylindermotorcycleiz:

  • for models: Crf70, Xr70, C70
  • for makes: Honda
  • for years: 1970
  • brand: Bfo
  • mpn: Jv7cmy
  • 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: 20804
  • city: Houston, Texas
  • rating: 99.2%

shipping cylindermotorcycleiz:

  • service: FedEx Ground / FedEx Home Delivery
  • class: Standard
  • type: Fixed
  • transit: 4-9 Days
  • cost: $0.00
  • carrier: FedEx

returns cylindermotorcycleiz:

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

offer cylindermotorcycleiz:

  • quantity: 9
  • started: August 3, 2025
  • availability: In Stock
  • options: Ship-to-home
  • sold: 0

general cylindermotorcycleiz:

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

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for models: crf70, xr70, c70, 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: 12186785971209622,
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